Final COPY Flashcards
PH scale
0-14
Acidic is lower
Basic/alkali is higher
7 is neutral
PH balance is the basis for ?
Homeostasis
Homeostasis
Balance or equilibrium within body. Every cell, tissue, organ and system functions to maintain homeostasis.
Cellular Respiration
- cells absorb O2 and glucose to produce ATP
- ATP is the energy used by cells to function
- this process can be called cellular metabolism
Aerobic metabolism
In the presence of oxygen
Anaerobic metabolism
Without presence of oxygen
Carbon dioxide
-main waste product of aerobic metabolism
- CO2 is acidic, excess must be eliminated
- exhalation is primary elimination method
Supine
Lying on your back
Prone
Lying on your stomach
Fowler
Seated with head elevated
Recovery position
Lying on left side, arm extended, knee bent
Anterior
Front
Posterior
Back
Proximal
Towards trunk (midline)
Distal
Away from trunk (midline)
Superior
Towards the head
Inferior
Towards the feet
Flexion
Bending the joint
Extension
Straightening
Skeletal muscles
Commonly called striated muscle, allows for voluntary movement
Smooth muscle
Involuntary, found within (organs, blood vessels, GI tract, airway), contracts and relaxes to allow movement of contents within
Cardiac muscle
Found exclusively within the heart
What does the Skeletal system do ?
Provides shape, allows movement, protects organs
Ligaments
Bone to bone
Tendons
Bone to muscle
Cartilage
Connective tissue between joints
Axial skeleton
Skull, vertebrae, thoracic cage
Appendicular skeleton
Pelvis, arms, legs
How many bones (average) within the human body ?
206 bones; in certain bones bone marrow produces red blood cells
Spinal column
Cervical: (7)
Thoracic: (12)
Lumbar: (5)
Sacrum: (5)
Coccyx: (4)
Atlas
C1 vertical vertebrae
Axis
C2 cervical vertebrae
Shoulder girdle
Clavicle(collar bone), scapula (shoulder blade), humerus (upper arm)
Upper airways job
Warms, filters, and humidifies air
Upper airway structures
Nose and mouth
Nasopharynx, oropharynx, larynx
Epiglottis
Thyroid cartilage (Adams apple)
Lower airways job
-Exchange of oxygen and carbon dioxide
-Begins at bottom of larynx
Lower air ways structures
Trachea, lungs, bronchi/bronchioles, alveoli (diffusion of oxygen and carbon dioxide occurs within alveoli)