EMR Module 2 Definitions Reverse

Question 1

The part of the body that contains the stomach, intestines, and other organs.

Answer 1

abdomen

Question 2

The space in the body below the diaphragm and above the pelvis that contains the stomach, intestines, liver, gallbladder, pancreas, and spleen.

Answer 2

abdominal cavity

Question 3

The process of moving nutrients, water, and electrolytes into the circulatory system so they can be used by body cells.

Answer 3

absorption

Question 4

The organs that assist digestion by secreting fluids into the alimentary canal.

Answer 4

accessory organs of digestion

Question 5

The socket of the hip bone that forms part of the hip joint.

Answer 5

acetabulum

Question 6

The glands located on top of each kidney.

Answer 6

adrenal glands

Question 7

A substance that causes an allergic reaction.

Answer 7

allergen.

Question 8

Microscopic air sacs at the end of the bronchioles in the lungs.

Answer 8

alveoli

Question 9

The passageway through which feces leaves the body.

Answer 9

anal canal

Question 10

A severe, life-threatening allergic reaction that affects multiple body systems.

Answer 10

anaphylaxis.

Question 11

The study of the structure of an organism, such as the human body.

Answer 11

anatomy

Question 12

A substance that defends the body against bacteria, viruses, or other antigens.

Answer 12

antibody

Question 13

Any substance that is foreign to an individual and causes antibody production.

Answer 13

antigen

Question 14

The largest artery in the body that blood flows from to all parts of the body. It lies in front of the spine in the thoracic and abdominal cavities.

Answer 14

aorta

Question 15

The part of the skeleton that includes the upper and lower extremities (arms and legs), the shoulder girdle, and the pelvic girdle.

Answer 15

appendicular skeleton

Question 16

Blood vessels that carry blood away from the heart to the rest of the body.

Answer 16

arteries

Question 17

The smallest branches of arteries that connect arteries to capillaries.

Answer 17

arterioles

Question 18

The two upper chambers of the heart that receive blood from the body and lungs.

Answer 18

atria

Question 19

The part of the nervous system that controls involuntary functions and maintains homeostasis.

Answer 19

autonomic

Question 20

The part of the skeleton that includes the skull, spinal column, sternum, and ribs.

Answer 20

axial skeleton

Question 21

The force exerted by the blood on the inner walls of the heart and arteries.

Answer 21

blood pressure

Question 22

A hollow space in the body that contains internal organs

Answer 22

body cavity

Question 23

The mechanical process of moving air into and out of the lungs.

Answer 23

breathing

Question 24

Small tubes that branch off from the bronchi.

Answer 24

bronchioles

Question 25

Large airway tubes that the trachea branches into in the chest, with one tube leading to each lung.

Answer 25

bronchus

Question 26

The smallest and most numerous blood vessels that are very thin and connect arterioles and venules.

Answer 26

capillaries

Question 27

The muscle found in the walls of the heart that produces the heart’s contractions and pumps blood.

Answer 27

cardiac muscle

Question 28

The amount of blood the heart pumps each minute.

Answer 28

cardiac output

Question 29

The system that is made up of the heart, blood, and blood vessels.

Answer 29

cardiovascular system

Question 30

The bones within the wrist.

Answer 30

carpals

Question 31

The parts of the large intestine that food passes through in order: a pouch forming the beginning of the large intestine; the part that extends up the right side of the abdomen; the part that runs horizontally across the abdomen; the part that extends down the left side of the abdomen; the S-shaped section that connects the descending colon and the rectum; the final straight portion that connects to the anus.

Answer 31

cecum, ascending colon, transverse colon, descending colon, sigmoid colon, rectum

Question 32

The sum of the chemical reactions that occur within cells, enabling them to maintain a living state.

Answer 32

cell metabolism

Question 33

The basic units of all living tissue.

Answer 33

cells

Question 34

The system that allows the body to carry electrical signals from the body’s organ systems to the brain and spinal cord as well as to the various organ systems of the body.

Answer 34

central nervous system

Question 35

The part of the nervous system that consists of the brain and spinal cord.

Answer 35

central nervous system

Question 36

The part of the spine that extends from the base of the skull to the first thoracic vertebra.

Answer 36

cer-vical spine

Question 37

The part of the brain that is responsible for the precise control of muscle movements as well as maintaining posture and balance.

Answer 37

cerebellum

Question 38

A clear liquid that is circulated continuously and acts as a shock absorber for the central nervous system.

Answer 38

cerebrospinal fluid (csf)

Question 39

The largest part of the human brain that consists of two cerebral hemispheres.

Answer 39

cerebrum

Question 40

The region of the body containing the 12 thoracic vertebrae, 12 pairs of ribs, and the sternum that forms the thoracic cage protecting organs like the heart, lungs, and major blood vessels.

Answer 40

chest (thorax)

Question 41

Partially digested food that is moved from the stomach into the small intestine.

Answer 41

chyme

Question 42

The system that is made up of the heart, blood, and blood vessels.

Answer 42

circulatory system

Question 43

A very thick bundle of nerve fibers that joins the two hemispheres of the cerebrum.

Answer 43

corpus callosum

Question 44

The hollow space in the head that contains the brain and is protected by the skull.

Answer 44

cranial cavity

Question 45

The nerves that are linked directly to the brain.

Answer 45

cranial nerves

Question 46

The bony skeleton of the head that protects the brain from injury and gives the head its shape.

Answer 46

cranium

Question 47

The bony enclosure that contains and protects the brain.

Answer 47

cranium

Question 48

The only complete ring of cartilage in the larynx.

Answer 48

cricoid cartilage

Question 49

The elimination of unabsorbed waste.

Answer 49

defecation

Question 50

The thick layer of skin below the epidermis that contains hair follicles, sweat and oil glands, small nerve endings, and blood vessels.

Answer 50

der-mis

Question 51

The muscle below the lungs that contracts to facilitate breathing.

Answer 51

diaphragm

Question 52

The pressure in an artery when the heart is at rest.

Answer 52

diastolic blood pressure

Question 53

The part of the brain between the cerebrum and the brainstem that contains the thalamus and hypothalamus.

Answer 53

diencephalon

Question 54

The process of chemically breaking down food into small parts so that absorption can occur.

Answer 54

digestion

Question 55

An abnormal condition in which the body’s steady state (homeostasis) is threatened or cannot be maintained.

Answer 55

disease

Question 56

The separation of the peripheral nervous system into two parts.

Answer 56

division

Question 57

The separation into parts or sections.

Answer 57

division

Question 58

The sections of the small intestine where most digestion and absorption occurs.

Answer 58

duodenum, jejunum

Question 59

A style of speech used by younger people when communicating with older adults that resembles baby talk and contains features such as slower rate, patronizing tone, high pitch, increased volume, repetition, simplified vocabulary and grammar, and exaggeration of words. Its use implies the older adult is dependent and incompetent.

Answer 59

elder speak ,

Question 60

A system of glands that secrete chemicals (hormones) directly into the circulatory system to trigger a response in specific body cells.

Answer 60

endocrine system

Question 61

The cartilage shaped like a leaf that is attached along the interior anterior border of the thyroid cartilage in a hingelike fashion.

Answer 61

epiglottis

Question 62

The red blood cells that contain hemoglobin, an iron-containing protein that chemically bonds with oxygen.

Answer 62

erythrocytes

Question 63

The muscular tube located behind the trachea that serves as a passageway for food.

Answer 63

esophagus

Question 64

The study of cause.

Answer 64

etiology

Question 65

The process of breathing out and moving air out of the lungs.

Answer 65

expiration

Question 66

The nostrils or external openings of the nose.

Answer 66

external nares

Question 67

The tubes that receive the ovum and transport it to the uterus after ovulation.

Answer 67

fallopian tubes (oviducts)

Question 68

Ribs that are not attached to the front of the sternum.

Answer 68

false ribs

Question 69

The longest, heaviest, and strongest bone of the body.

Answer 69

femur

Question 70

One of the two lower leg bones that the tibia attaches to.

Answer 70

fibula

Question 71

Ribs that are not attached to the front of the sternum.

Answer 71

floating ribs

Question 72

Diamond-shaped openings on an infant’s head that allow flexibility during delivery and growth of the brain. These gaps in the skull bones do not completely close until around 18 months of age.

Answer 72

fontanels

Question 73

The opening in the base of the skull.

Answer 73

foramen magnum

Question 74

A sac-like organ that stores bile until it is needed by the small intestine.

Answer 74

gallbladder

Question 75

The space between the vocal cords.

Answer 75

glottis

Question 76

The blood vessels that carry blood to and from the heart.

Answer 76

great vessels

Question 77

The large, bony prominence on the lateral shaft of the femur to which the buttock muscles are attached.

Answer 77

greater trochanter

Question 78

The bony floor of the nasal cavity.

Answer 78

hard palate

Question 79

The muscular organ that pumps blood through the circulatory system by rhythmic contraction and dilation.

Answer 79

heart

Question 80

An iron-containing protein that chemically bonds with oxygen.

Answer 80

hemoglobin

Question 81

An extreme loss of blood from a blood vessel.

Answer 81

hemor-rhage

Question 82

The maintenance of a constant internal environment.

Answer 82

homeostasis

Question 83

The upper arm bone to which the biceps and triceps muscles are attached, allowing the shoulder to rotate, flex, and extend. It is the largest bone of the upper extremity and is the second-longest bone in the body.

Answer 83

humerus

Question 84

An increase in carbon dioxide.

Answer 84

hypercarbia

Question 85

A condition in which an individual’s body temperature becomes elevated beyond normal due to failed thermoregulation.

Answer 85

hyperthermia

Question 86

Plays an important role in the control of thirst, hunger, and body temperature. Also serves as a link between the nervous and endocrine systems.

Answer 86

hypothalamus

Question 87

A condition in which an infant’s body temperature drops below normal due to their poorly developed temperature-regulating mechanisms.

Answer 87

hypothermia

Question 88

A lack of adequate oxygen.

Answer 88

hypoxia

Question 89

The section of the small intestine where most digestion and absorption occurs.

Answer 89

ileum

Question 90

The interval between the exposure to a disease-causing agent and the appearance of signs and symptoms.

Answer 90

incubation period

Question 91

The stages of human development from birth through the lifespan.

Answer 91

infancytoddlerpreschoolerschool-ageadolescenceearly adulthoodmiddle adulthoodlate adulthood

Question 92

The death of tissue due to ischemia.

Answer 92

infarct

Question 93

A tissue reaction to disease, injury, irritation, or infection characterized by pain, heat, redness, swelling, and sometimes a loss of function.

Answer 93

inflammation

Question 94

The process of taking food and liquids into the body.

Answer 94

ingestion

Question 95

The process of breathing in and moving air into the lungs.

Answer 95

inspiration

Question 96

A hormone secreted by the beta cells of the pancreas that decreases blood glucose concentration.

Answer 96

insulin

Question 97

The system that is made up of the skin, hair, nails, sweat glands, and oil glands. It protects the body from the environment, bacteria, and other organisms, as well as keeping the fluids inside the body.

Answer 97

integumentary system

Question 98

Muscles between the ribs

Answer 98

intercostal muscles

Question 99

A reduced blood supply, which is the most common cause of hypoxia.

Answer 99

ischemia,

Question 100

Clusters of cells within the pancreas that secrete hormones such as glucagon.

Answer 100

islets of langerhans

Question 101

The organs located at the back of the abdominal cavity on each side of the spinal column that produce urine, maintain water balance, aid in regulation of blood pressure, and regulate levels of many chemicals in the blood.

Answer 101

kidneys

Question 102

The section of the intestine that is about 5 feet (1.5 meters) in length.

Answer 102

large intestine (colon)

Question 103

The lower-most part of the throat.

Answer 103

laryngopharynx

Question 104

The structure in the upper airway that contains the vocal cords and is involved in speech production.

Answer 104

larynx

Question 105

The area of the abdomen on the left side above the level of the navel.

Answer 105

left upper quadrant (luq)

Question 106

The area of the abdomen below the umbilicus and to the left of the midline.

Answer 106

left lower quadrant (llq)

Question 107

Cells that attack and destroy germs that enter the body.

Answer 107

leukocytes

Question 108

Tough groups of connective tissue that attach bones to bones and bones to cartilages. They provide support and strength to joints and restrain excessive joint movement.

Answer 108

ligaments

Question 109

A large internal organ that produces bile, which emulsifies fats.

Answer 109

liver

Question 110

The bones of the pelvis, upper legs, lower legs, and feet.

Answer 110

lower extremities

Question 111

The interior space of a blood vessel.

Answer 111

lumen

Question 112

The spongy, air-filled organs bound superiorly by the clavicles and inferiorly by the diaphragm.

Answer 112

lungs

Question 113

The system that consists of lymph, lymph nodes, lymph vessels, tonsils, the spleen, and the thymus gland.

Answer 113

lymphatic system

Question 114

The organs that function in milk production after delivery of an infant.

Answer 114

mammary glands

Question 115

The uppermost (superior) portion of the sternum that connects with the clavicle and first rib.

Answer 115

manubrium

Question 116

The part of the space in the middle of the chest, between the lungs, that extends from the sternum (breastbone) to the spine.

Answer 116

mediastinum

Question 117

A hormone that has a role in regulating daily rhythms, such as sleep. Levels increase at night and are low or undetectable during the day.

Answer 117

melatonin

Question 118

The onset of menstruation during puberty.

Answer 118

menarche

Question 119

The covering over the brain and spinal cord.

Answer 119

meninges

Question 120

The cessation of menstruation that occurs in women in the late 40s or early 50s.

Answer 120

menopause

Question 121

The periodic discharge of blood and tissue from the uterus, occurring about every 28 days.

Answer 121

menstruation ,

Question 122

The bones in the hand that connect the wrist to the fingers.

Answer 122

metacarpals

Question 123

The bones that make up the main part of the foot.

Answer 123

metatarsal

Question 124

The state of partial contraction of muscle fibers due to continuous electrical signals from nerve cells, even when not actively moving.

Answer 124

muscle tone

Question 125

The part of the pharynx located directly behind the nasal cavity.

Answer 125

nasopharynx

Question 126

The point on the abdomen where the umbilical cord was attached during gestation.

Answer 126

navel (umbilicus)

Question 127

The collection of specialized cells that conduct information to and from the brain.

Answer 127

nervous system

Question 128

Cells of the nervous system that control voluntary and involuntary activities and provide for higher mental functions like thought and emotion.

Answer 128

neurons

Question 129

Information that is observed or measured directly, rather than being reported by the patient.

Answer 129

objective findings.

Question 130

The joint where the humerus connects with the radius and the ulna.

Answer 130

olecranon

Question 131

A structure made up of at least two different types of tissue that work together to perform a particular function.

Answer 131

organ

Question 132

A group of tissues and organs that work together to provide a common function in the body.

Answer 132

organ system

Question 133

The middle part of the throat that serves as a passageway for air only.

Answer 133

oropharynx

Question 134

The pair of almond-shaped organs that produce eggs (ova).

Answer 134

ovaries

Question 135

An organ that secretes juices containing enzymes for protein, carbohydrate, and fat digestion into the small intestine.

Answer 135

pancreas

Question 136

The part of the autonomic nervous system that conserves and restores energy; its effects are localized in the body.

Answer 136

parasympathetic division

Question 137

Glands located behind the thyroid gland that secrete a hormone to maintain calcium levels in the blood.

Answer 137

parathyroid glands

Question 138

The outer lining that lines the wall of the chest cavity including the rib cage, diaphragm, and mediastinum.

Answer 138

parietal pleura

Question 139

The kneecap that attaches to the femur and protects the knee joint anteriorly.

Answer 139

patella

Question 140

The mechanism by which a disease develops.

Answer 140

pathogenesis

Question 141

The study of the physical, chemical, and mechanical processes that cause or are caused by disease or injury, producing changes in the structure and function of the body.

Answer 141

pathology

Question 142

The study of the physical, chemical, and mechanical processes that cause or are caused by disease or injury, producing changes in the structure and function of the body.

Answer 142

pathophysiology

Question 143

The area below the abdominal cavity that contains the urinary bladder, part of the large intestine, and the reproductive organs.

Answer 143

pelvic cavity

Question 144

The bony arch made up of bones that enclose and protect the organs of the pelvic cavity. It provides a point of attachment for the lower extremities and the major muscles of the trunk.

Answer 144

pelvic girdle

Question 145

The bony ring formed by three separate bones that fuse to become one by adulthood, to which the lower extremities are attached at the hip joint.

Answer 145

pelvis

Question 146

The organ that serves as the outlet for sperm and urine.

Answer 146

penis

Question 147

The flow of blood through an organ or a part of the body.

Answer 147

perfusion

Question 148

The cavity surrounding the heart.

Answer 148

pericardial cavity

Question 149

The area between the vaginal opening and the anus.

Answer 149

perineum

Question 150

The nerves that connect the brain and spinal cord to the rest of the body.

Answer 150

peripheral nervous system (pns)

Question 151

The opposition that blood encounters in the blood vessels as it travels away from the heart, referring mainly to the arterial circulation.

Answer 151

peripheral vascular resistance (pvr),

Question 152

The involuntary wavelike contraction of smooth muscle that moves material through the digestive tract.

Answer 152

peristalsis

Question 153

The potential space between two membranes that line the abdominal cavity, separating the abdominal organs from the abdominal wall.

Answer 153

peritoneal cavity

Question 154

The bones of the fingers.

Answer 154

phalanges

Question 155

The toes are the foot’s equivalent to the fingers.

Answer 155

phalanges

Question 156

The part of the throat behind the mouth and nasal cavity and above the esophagus and larynx.

Answer 156

pharynx

Question 157

The study of the normal functions of an organism, such as the human body.

Answer 157

physiology

Question 158

The part of the brain that is responsible for producing melatonin, which has a role in regulating daily rhythms, such as sleep.

Answer 158

pineal gland

Question 159

The endocrine gland located at the base of the brain that secretes hormones that regulate other endocrine glands.

Answer 159

pituitary gland

Question 160

The liquid portion of the blood that carries oxygen, blood cells, vitamins, proteins, glucose, and many other substances throughout the body.

Answer 160

plasma

Question 161

Irregularly shaped blood cells that have a sticky surface and gather at the site of an injury to help stop bleeding.

Answer 161

platelets

Question 162

The serous membranes that line the pleural cavities surrounding the lungs.

Answer 162

pleurae

Question 163

The spaces surrounding each lung.

Answer 163

pleural cavities

Question 164

The space between the visceral and parietal pleura filled with a small amount of oily fluid.

Answer 164

pleural space

Question 165

The gland that secretes fluid that increases sperm movement and neutralizes the acidity of the vagina during intercourse.

Answer 165

prostate gland

Question 166

The regular expansion and recoil of an artery caused by the movement of blood from the heart as it contracts.

Answer 166

pulse

Question 167

The lateral, thumb side bone in the forearm.

Answer 167

radius

Question 168

The system that makes cells (sperm, eggs) that allow continuation of the human species.

Answer 168

reproductive system

Question 169

The exchange of gases between a living organism and its environment.

Answer 169

respiration

Question 170

The area of the abdomen that contains the appendix.

Answer 170

right lower quadrant (rlq)

Question 171

The section of the abdomen on the right side above the imaginary horizontal line through the navel.

Answer 171

right upper quadrant (ruq)

Question 172

Factors that may increase a person’s chance of developing a disease.

Answer 172

risk factors

Question 173

The loose sac of skin that houses the testes.

Answer 173

scrotum

Question 174

The glands that secrete fluid that nourishes and protects sperm.

Answer 174

seminal vesicles

Question 175

A severe form of head injury that occurs when an infant or child is shaken by the arms, legs, or shoulders with enough force to cause the baby’s brain to bounce against the skull.

Answer 175

shaken baby syndrome

Question 176

The inadequate flow of blood through an organ or a part of the body.

Answer 176

shock

Question 177

The bony arch formed by the collarbones (clavicles) and shoulder blades (scapulae).

Answer 177

shoulder girdle

Question 178

A medical or trauma condition of the patient that can be seen, heard, smelled, measured, or felt by the examiner.

Answer 178

sign

Question 179

Spaces or cavities inside some cranial bones that drain into the nose, produce mucus, and trap bacteria.

Answer 179

sinuses

Question 180

Muscles that move the skeleton, produce heat to maintain body temperature, and maintain posture. They are voluntary muscles because you can control how they move.

Answer 180

skeletal muscles

Question 181

The framework of the body, made up of bones that provide structure and protect organs.

Answer 181

skeletal system

Question 182

The bony skeleton of the head that protects the brain from injury and gives the head its shape.

Answer 182

skull

Question 183

The tube-shaped organ that is about 20 feet long and smaller in diameter than the large intestine, where food is further digested and nutrients are absorbed.

Answer 183

small intestine

Question 184

Muscle that is found within the walls of tubular structures of the gastrointestinal tract and urinary systems, blood vessels, the eye, and the bronchi of the respiratory system, and whose movement cannot be consciously controlled.

Answer 184

smooth (involuntary) muscle

Question 185

The fleshy part that extends behind the hard palate and marks the boundary between the nasopharynx and the rest of the pharynx.

Answer 185

soft palate

Question 186

The division of the peripheral nervous system that has receptors and nerves concerned with the external environment and influences the activity of the musculoskeletal system.

Answer 186

somatic

Question 187

The cavity that extends from the bottom of the skull to the lower back, contains the spinal cord, and is protected by the vertebral column.

Answer 187

spinal cavity

Question 188

The center for many reflex activities of the body that relays electrical signals to and from the brain and peripheral nerves.

Answer 188

spinal cord

Question 189

Nerves that relay impulses to and from the spinal cord.

Answer 189

spinal nerves

Question 190

The column of bones extending from the skull to the pelvis that encloses and protects the spinal cord.

Answer 190

spine (vertebral column)

Question 191

The flat bone in the center of the front of the chest that connects to the ribs.

Answer 191

sternum (breastbone)

Question 192

The amount of blood ejected by the ventricles of the heart with each contraction.

Answer 192

stroke volume

Question 193

The thick layer below the dermis that contains fat and insulates the body from changes in temperature.

Answer 193

subcutane-ous layer

Question 194

Findings that depend on the patient’s interpretation and description of their condition.

Answer 194

subjective findings

Question 195

A thin film that coats each alveolus and prevents the alveoli from collapsing.

Answer 195

surfactant

Question 196

The part of the autonomic nervous system that mobilizes energy, particularly in stressful situations, through the fight-or-flight response.

Answer 196

sympathetic division

Question 197

A condition described by the patient.

Answer 197

symptom

Question 198

A group of signs and symptoms that together are characteristic of a specific disease or disorder.

Answer 198

syndrome

Question 199

The pressure in an artery when the heart is pumping blood.

Answer 199

systolic blood pressure

Question 200

The bones that make up the back part of the foot and heel.

Answer 200

tarsal

Question 201

Strong cords of connective tissue that firmly attach the end of a muscle to a bone.

Answer 201

tendons

Question 202

The male reproductive glands that produce sperm and testosterone.

Answer 202

testes

Question 203

A part of the brain that functions as a relay station for impulses going to and from the cerebrum.

Answer 203

thalamus

Question 204

The space in the body located below the neck and above the diaphragm that is protected by the rib cage.

Answer 204

thoracic (chest) cavity

Question 205

The thymus gland plays a role in the body’s immune system. The ovaries are female reproductive organs that produce eggs and hormones.

Answer 205

thymus gland, ovaries

Question 206

The largest cartilage of the larynx that is shaped like a shield and can be felt on the front surface of the neck.

Answer 206

thyroid cartilage

Question 207

A gland located in the neck below the larynx that is shaped like a butterfly.

Answer 207

thyroid gland

Question 208

The larger of the two bones of the lower leg.

Answer 208

tibia

Question 209

Groups of cells that cluster together to perform a specialized function.

Answer 209

tissues

Question 210

The tube that connects the larynx to the bronchi and lungs.

Answer 210

trachea

Question 211

The ribs that are attached directly to the sternum by their own cartilage.

Answer 211

true ribs

Question 212

Shelflike projections that protrude into the nasal cavity that warm, humidify, and filter air as it moves within them.

Answer 212

turbinates

Question 213

The longer of the two bones of the forearm, located on the medial side.

Answer 213

ulna

Question 214

The bones of the shoulder girdle, the arms, the forearms, and the hands.

Answer 214

upper extremities

Question 215

Tubes that drain urine from the kidneys to the urinary bladder.

Answer 215

ureters

Question 216

A canal that passes urine from the urinary bladder to the outside of the body.

Answer 216

urethra

Question 217

The temporary storage site for urine.

Answer 217

urinary bladder

Question 218

A hollow, muscular organ in which a fertilized ovum implants and receives nourishment until birth.

Answer 218

uterus

Question 219

The small piece of tissue that looks like a mini punching bag and hangs down in the back of the throat.

Answer 219

uvula

Question 220

The passageway for menstrual flow and delivery of an infant.

Answer 220

vagina

Question 221

Vessels that return blood to the heart. Veins normally carry oxygen-poor blood.

Answer 221

veins

Question 222

The amount of blood returning to the ventricles.

Answer 222

venous return.

Question 223

The two lower chambers of the heart that have thicker walls than the atria and pump blood to the lungs and body.

Answer 223

ventricles

Question 224

The smallest branches of veins that connect capillaries and veins.

Answer 224

venules

Question 225

The inner layer that covers the surface of the lungs.

Answer 225

visceral pleura

Question 226

The organs that are essential for life.

Answer 226

vital organs

Question 227

A high- or low-pitched whistling sound that is usually heard on exhalation, suggesting that the lower airways are partially blocked with fluid or mucus.

Answer 227

wheezing

Question 228

The inferior portion that makes up the sternum. This landmark is important when determining the proper hand position for chest compressions in cardiopulmonary resuscitation (CPR).

Answer 228

xiphoid process