ch 6 Flashcards
The cardiovascular system is responsible for:
Respiration
Circulation
Body movement
Body structure
circulation
The average adult has about ________ pints of blood.
8 to 12
15 to 20
3 to 5
4 to 6
8-12
The vascular system is made up of more than _________ miles of tubes (blood vessels).
8,000
45,000
12,000
70,000
70,000
Tube-like structures that make up the vascular system are known as:
Ureters
Fallopian tubes
Blood vessels
Intestines
blood vessals
The ________ divides the heart into left and right sides.
transverse plane
diaphragm
septum
coronal plane
septum
The ______ side(s) of the heart carries oxygenated blood.
right
right and left
left
middle and left
left
The heart consists of ____ layers.
2
5
3
4
3
Which fluid is found surrounding the heart, located between the serous visceral membrane and the parietal membrane?
Pleural
Synovial
Amniotic
Pericardial
Pericardial
The two membranes of the epicardium and the pericardial fluid surrounding the heart are known collectively as the ________.
bursa sac
lymph sac
pericardial sac
air sac
pericardial sac
Where are the alveoli located?
Lungs
Stomach
Brain
Intestines
Lungs
Deoxygenated blood has a ________ concentration of carbon dioxide compared to oxygen.
higher
lower
equal
diminished
Higher
The systemic circulation is responsible for delivering what kind of blood to the body?
Oxygen-poor
Nutrient-rich
Nutrient-deficient
Carbon dioxide-rich
Nutrient-rich
The superior and inferior vena cava empty into which chamber?
Right ventricle
Left atrium
Left ventricle
Right atrium
Right atrium
Which arteries transport blood to the lungs?
Carotid
Femoral
Pulmonary
Brachial
Pulmonary
What is the largest artery in the body?
Aorta
Femoral
Brachial
Hepatic
Aorta
Gas exchange takes place within which vessels?
Capillaries
Veins
Arteries
Venules
Capillaries
Which vessels transport blood away from the heart?
Capillaries
Arteries
Veins
Venules
Arteries
Which arteries DO NOT contain oxygenated blood?
Brachial
Systemic
Pulmonary
Femoral
Pulmonary
Deoxygenated blood is transported by the _______.
pulmonary arteries
aorta
pulmonary veins
femoral arteries
pulmonary arteries
Which vessels are one cell layer thick?
Arteries
Veins
Capillaries
Venules
Capillaries
Capillaries permit the gas exchange of carbon dioxide and _______.
oxygen
hydrogen
nitrogen
carbon monoxide
oxygen
The innermost layer of veins and arteries is the tunica _______ layer.
intima
media
mucosa
adventitia
intima
The thickest layer of veins and arteries is the tunica ______ layer.
fibrosa
adventitia
media
intima
media
The outer covering that covers the arteries and veins is the tunica ________ layer.
media
serosa
intima
adventitia
adventitia
Arteries always carry blood away from the heart and are called ________ vessels.
afferent
centripetal
receptive
efferent
efferent
Arterial blood is bright red because of its _______ level.
high carbon dioxide
low oxygen
low carbon dioxide
high oxygen
high oxygen
Waste products pass from the body’s cells and tissues back into the bloodstream for excretion from all of the following systems EXCEPT:
Respiratory
Endocrine
Urinary
Digestive
Endocrine
Veins carry deoxygenated blood toward the heart so they are considered _______ vessels.
efferent
afferent
motorial
unimportant
afferent
Veins have _______.
a pulse
thick walls
high pressure
one-way valves
one-way valves
An artery will _______.
pulsate
always be visible
feel mushy
not roll
pulsate
A vein will ________.
always be visible
pulsate
have resiliency
always be palpable
have resiliency
Selecting a vein that lies over or close to an artery can result in:
The best blood flow
No blood flow
A painless phlebotomy procedure
An accidental arterial puncture
An accidental arterial puncture
The veins most commonly used for venipuncture are located in an area known as the:
Sweet spot
Radial fossa
Antecubital fossa
Ovarian fossa
Antecubital fossa
The most commonly used vein for venipuncture is called the:
Median cubital
Brachial
Cephalic
Basilic
Median cubital
The second best vein to select for venipuncture is called the:
Basilic
Median cubital
Cephalic
Bracial
Cephalic
The basilic vein lies close to the _______.
aorta
femoral artery
pulmonary artery
brachial artery
brachial artery
Using hand veins for venipuncture tends to be _____ for the patient.
less painful
not painful
more painful
slightly painful
more painful
It is unacceptable for phlebotomists to perform a venipuncture from all of the following EXCEPT:
Head
Hand
Legs
Feet
hand
Inflammation of the skin is known as:
Osteochondritis
Arthritis
Sinusitis
Dermatitis
Dermatitis
Tourniquets should not be placed directly on a patient who has _______.
HIV
a heart condition
dermatitis
a cold
dermatitis
When a patient has dermatitis, a tourniquet can be placed over all of the following EXCEPT:
skin
patient’s gown
gauze
clothing
skin
Blood should not be drawn from an arm with a/an ________.
scar
IV
tattoo
mole
IV
Accidental puncture of the _________ could result in temporary or permanent loss of function in that arm.
median nerve
median cubital
brachial artery
basilic vein
median nerve
The best way to prevent injury to the median nerve is to avoid ________ at the venipuncture site.
pressure
pinching
peeling
probing
probing
Blood helps ________ body temperature.
create
reduce
regulate
increase
regulate
Plasma makes up about ______ of blood’s total volume.
55%
5%
10%
90%
55%
Plasma contains _______ water.
90% to 92%
50% to 55%
3% to 10%
24% to 31%
90% to 92%
RBCs originate in the ________.
heart
bone marrow
liver
lymph
bone marrow
During the fetal stage, the liver and _______ form blood cells.
kidneys
pancreas
gallbladder
spleen
spleen
Red blood cells cave inward at the center on both sides. This is known as _________.
concave
convex
biconcave
biconvex
biconcave
The average life span of an erythrocyte is about _______ days.
10
120
200
30
120
Which molecule gives RBCs the ability to transport oxygen and carbon dioxide?
Hemoglobin
Amylase
Water
Ribose
Hemoglobin
Heme is a/an _______ that helps make up hemoglobin.
white blood cell
platelet
iron compound
red blood cell
iron compound
White blood cells are also known as ______.
thrombocytes
leukocytes
erythrocytes
platelets
leukocytes
White cells perform a process that will surround and destroy foreign invaders. This process is known as______.
athrocytosis
endocytosis
phagocytosis
monocytosis
phagocytosis
Phlebotomists need to apply pressure to the venipuncture site for a minimum of ________ when patients lack natural clotting factors or may be on anticoagulant medications.
10 to 15 seconds
1 minute
30 to 50 seconds
3 to 5 minutes
3 to 5 minutes
What is the name of the valve between the right atrium and the right ventricle?
Bicuspid
Tricuspid
Mitral
Aortic
Tricuspid
What is the name of the valve between the left atrium and the left ventricle?
Dicuspid
Pulmonary
Mitral
Tricuspid
Mitral
The mitral valve is another name for:
Tricuspid valve
Discuspid valve
Ficuspid valve
Bicuspid valve
Bicuspid valve
What are the names of the two semilunar valves of the heart?
Pulmonary and arterial
Arterial and aortic
Pulmonary and aortic
Pulmonary and systemic
Pulmonary and aortic
______ occurs when blood collects under the skin, forming a black and blue mass.
Hemolysis
Hemostasis
Hematoma
Hemoglobin
Hematoma
What serves as the connecting points/link between the arterioles and venules?
Veins
Capillaries
Arteries
Vessels
Capillaries
Symptoms of anemia include all of the following EXCEPT:
Weakness
Headache
Pale skin color
Vomiting
Vomiting
Blood cells formed by myeloid stem cells include all of the following EXCEPT:
Red blood cells
Granulocytes
B-cells
Platelets
B-cells
What byproduct is formed when the liver breaks down worn-out red blood cells?
Calcium
Bilirubin
Protein
Lysozyme
Bilirubin
Jaundice results when elevated levels of bilirubin cause the skin and eyes to take on what color?
Blue
Silver
Yellow
Pink
Yellow
Diapedesis allows _______ to pass through capillaries’ thin walls.
RBCs
lymphocytes
leukocytes
platelets
leukocytes
Which WBC is the most numerous of all WBCs in adults?
Eosinophil
Basophil
Monocyte
Neutrophil
Neutrophil
Which WBC increases in response to parasitic infections and allergic conditions?
Eosinophil
Basophil
Monocyte
Neutrophil
Eosinophil
Which WBC releases histamine, a substance that causes capillary walls to dilate or expand?
Eosinophil
Basophil
Monocyte
Neutrophil
Basophil
All of the following are lymphoid cells EXCEPT:
T-cells
B-cells
NK cells
KN cells
KN cells
Which WBCs assist the immune system by producing antibodies?
B-cell lymphocytes
T-cell lymphocytes
Monocytes
Basophils
B-cell lymphocytes
_______ are responsible for humoral immunity.
T-cell lymphocytes
B-cell lymphocytes
Monocytes
Basophils
B-cell lymphocytes
What cells respond to stressed or infected cells without the need for antibodies?
B-cells
T-cells
NK cells
Monocytes
NK cells
How long does a platelet typically remain in circulation?
25-50 days
120 days
2-3 days
9-12 days
9-12 days
Where is fibrinogen produced?
Kidneys
Liver
Pancreas
Intestines
Liver
What is the most abundant plasma protein?
Albumin
Fibrinogen
Globulin
Urea
Albumin
What does the buffy coat consist of?
RBCs and platelets
Platelets
Proteins
Platelets and WBCs
Platelets and WBCs
What are the proteins on the surface of RBCs called?
Antibodies
Antigens
Reagents
Plasma
Antigens
What is the medical term for the clumping of RBCs?
Fusion
Agglutination
Reaction
Centrifugation
Agglutination
Which blood type is considered the universal recipient?
A
B
AB
O
AB
Which blood type is considered the universal donor?
A
B
AB
O
O
A transfusion reaction occurs when a patient is transfused with blood to which he has an __________.
antigen
agglutinate
allergy
antibody
antibody