The Human Body Flashcards
What is the anatomical position?
Patient stands facing you, arms at side, palms forward.
What does bilateral mean?
Appears on both sides of the midline
Name five things the skeleton does?
- Gives human form
- Protects organs
- Produces red blood cells
- Stores calcium
- Allows movement
Name four things the skeletal system contains?
Bones
Ligaments
Tendons
Cartilage
What is the axial skeleton?
Foundation in which arms and legs are hung
What three things are included in the axial skeleton?
Skull
Spinal column
Thorax (chest)
What is the foremen magnum?
Opening at the base of skull to allow brain to connect to spinal chord
What are the five sections of the spinal column. And how many vertebrae are in each?
Cervical-7 Thoracic-12 Lumbar-5 Sacrum-5 Coccyx-4
What four things does the thoracic cavity contain?
Heart
Lungs
Esophagus
Great vessels
What five things are in the appendicular skeleton?
Arms Legs Their connection points Pelvis Upper and lower extemities
Where is the upper extremity location?
From the shoulder girdle to fingertips
What is the supporting bone of the arm?
Humerus
What does the forearm consists of?
Radius (lateral side) and Ulna (medial side)
How is the pelvic bone formed?
Fusion of the ilium
What is the longest bone in body?
Femur
What is the shin bone called?
Tibia
What three things does the muscular skeletal system provide?
Form
Upright posture
Movement
What is bi product of contraction and relaxation?
Heat
What does epiglottis do?
Prevents food from entering airway (trachea)
What organ is the dividing line between upper and lower airway?
Larynx
What forms the lowest portion of the larynx?
Cricoid cartilage/cricoid ring
Where is the carina?
The bottom of the trachea that divides the left and right bronchioles
What is the smooth glistening tissue that covers lungs?
Pleura
What controls breathing?
Brain stem (medulla oblingata) Hypoxia drive is back up
What initiates respiration?
Dorsal respiratory group (DRG)
The amount of air moved into or out of lungs in a single breath is called what?
Tidal volume
What is the average tidal volume for an average adult?
500ML
What is the normal rate for respiration?
12-20 breaths per minute
What are the five complex arrangement of tubes (from biggest to smallest) in the circulatory system?
Arteries Arterioles Capillaries Venues Veins
What does systematic circulation involve? How about pulmonary circulation?
The body. The lungs.
What is myocardium?
Cardiac muscle in the heart
What are the two chambers that divide the heart?
Atriums and ventricles
Describe the blood flow into and out of the heart?
- Vena cava
- Right atrium
- Right ventricle
- Left pulmonary artery
- Lungs
- Right pulmonary vein
- Left atrium
- Left ventricle
- Aorta
- Arteries
What is the normal resting heart rate?
60-100 beats per minute
What is stroke volume?
Amount of blood moved in one beat
What is cardiac output?
Amount of blood moved in one minute
How long does it take for blood volume to circulate through body?
1 minute
What does spleen do?
Filters blood
What is systole?
When left ventricle contracts. It pumps blood into the aorta
What is diastole?
When ventricle relaxes and fills with blood
How do you read blood pressures?
Systolic over diastolic
What is perfusion?
Circulation to meet adequate needs of cells
What are 6 functions of blood?
Fighting infection Transporting oxygen Transporting carbon dioxide Controlling ph Transporting waste and nutrients Clotting
What is responsible for fight or flight response?
Sympathetic nervous system
What does parasympathetic nervous system do?
Tries to get body back to homeostasis
What two body parts does the nervous system consist of?
Brain
Spinal cord
What is the largest part of brain?
Cerebrum
What does the peripheral nervous system involve?
Everything besides brain and spinal cord
What are the three layers of skin c alled?
Epidermis
Dermis
Subcutaneous tissue
What are three functions of skin?
Protecting the body
Regulate body temperature
Transmit information from environment to brain
What is located in the right upper quadrant?
Liver
What is in the left upper quadrant?
Spleen
What is in the right lower quadrant?
Appendix
What is the umbilicus?
Belly button
What three things do enzymes convert food into?
Basic sugars
Fatty acids
Amino acids
What is pathophysiology?
The study of functional changes that occur when body reacts to disease
What is the cartilaginous tip of the sternum called?
Xiphoid process
What imaginary line divides the body from front to back?
Coronal plane
What imaginary line divides the body from top to bottom?
Transverse (axial) plane
What imaginary line divides the body from left to right?
Sagittal (lateral) plane
What does anterior (ventral) mean?
In the front
What does posterior (dorsal) mean?
In the back
What does superior mean?
Closer to the head
What does inferior mean?
Closer to the feet
What does proximal mean?
“Closer to”
What does distal mean?
“Away from”
What is flexion?
Bending of a joint
What is extension?
Straightening of a joint
What is adduction?
Motion toward the midline
What is abduction?
Motion away from the midline
What is prone position?
Patient laying on stomach
What is supine position?
Patient laying on back
What is shock position?
Patient laying on back with feet elevated
What is fowler position?
Patient is sitting and leaning against wall
What is recovery position?
Patient is laying on the left side
Which muscles are involuntary?
Smooth muscles and Cardiac muscles
Which muscles are voluntary?
Skeletal muscles
Which muscles are found in the heart?
Cardiac muscles
The somatic nervous system is responsible for what kind of movements?
Voluntary movements
The automatic nervous system is responsible for what kind of movements?
Involuntary movements