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# Phys 1
Phys Exam 1
| Question | Answer |
|---|---|
| ________ is the sum total of all chemical reactions inside the body | metabolism |
| What are the functions of the integumentary system | Body temperature regulation, sensation, absorption, Vit D synthesis, excretion |
| How are mitosis and meiosis the same | both produce daughter cells |
| What is the difference between mitosis and meiosis | mitosis - creates duplicated cell with all chromosomes meiosis - creates a cell with 1/2 daughter chromosomes, only during creation of offspring |
| Atoms bound together behave differently than their parts? True or False | True |
| What are the functions of the muscular system | posture, movememt, stability, circulation |
| These cell structures increase the surface area and absorption of the cell membrane. | Microvilli |
| Oxygen in enriched cells move into oxygen poor cells | Diffusion |
| ACH is release from a neuron | Vesicular Transport |
| Sodium moves across the cell membrane against the concentration gradient requiring energy | Active transport |
| Water moves across semipermeable cell membrane to equalize both sides | Osmosis |
| Fluids move from an area of high pressure to low through gaps | Filtration |
| Examples of negative feedback systems | blood pressure, blood sugar, bone growth, body temperature |
| The basement membrane is an area of skin that is served by a particular sensory nerve segment, from a spinal nerve | False, it is a dermatome |
| 2 effects of massage on the muscular system | assist moving waste, muscle relaxation, connective tissue health, joint mobility, |
| What compound provides energy to break the actin-myosin cross bridges during muscle contraction | ATP |
| When a muscle cell depolarizes sufficiently to initiate an action potential, which ions are release within the SR of a muscle cell | calcium |
| This tissue heals quickly, reproduces rapidly, and does not contain blood vessels within its cells layers | epithelial |
| What are the effects of aging on the skin that are massage considerations | easily torn, less elasticity, risk of bruising, cold to the touch, dehydration |
| Is plasma leakage a specific process of inflammation that produces swelling | Yes |
| What types of cells release histamine | mast cells |
| What conditions would cause swelling and be a local contraindication for massage | boil, broken bone, boil |
| An axon which excites or inhibits a group of muscle fibers which elicit movement is called | motor unit |
| What affects the force of contraction | recruitment, type of muscle fibers contracting, type of leverage applied, frequency of stimulation |
| Movement at any joint is determined by | shape of the muscle direction of the muscle fibers pliability of structures that cross the joint relaxation of the muscles that oppose the movement |
| Contraction in which there is no change in the meter or measurement of the muscle fibers | isometric |
| contraction in which the tone remains the same | isotonic |
| Contraction in which muscle tension rises as the muscle shortens | concentric contraction |
| contraction in which muscle tension rises as the muscle elongates | eccentric contraction |
| Which type of muscle fiber generates a lot of force but fatiques rapidly | fast twich fibers |
| Which metabolic cycle produces the most ATP | aerobic respiration |
| Respiration in which oxygen is not used | anaerobic respiration |
| Do all action potentials vary in intensity dependant on the intensity of the stimulus? | No |
| Which mineral ions are stored in bone | calcium and phosphate |
| All stimuli are ineffective unless it depolarizes the membrane. True or False | True |
| How does aging affect joints | arthritis, less ROM, joints become weakened, dehydration of joints increases |
| What are massage benefits for the skeletal system | promote joint function support joint flexibility increase ROM encourage proper posture |
| Muscle Contraction Sequence | 1. ACh is released 2. ACh are activated 3. Sodium is released into the sarcoplasm 4. Calcium is released into the sarcoplasm 5. Proteins are activated 6. ATP is broken down 7. Calcium is pumped back into the sarcoplasm |
Created by:
Zenfenn
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