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Rimpal Kaur
Physiology
| Question | Answer |
|---|---|
| The strength of a muscle contraction is influenced by the: | amount of load, initial length of muscle fibers, and recruitment of motor units. |
| Skeletal muscles are innervated by: | somatic motor neurons |
| The fastest nerve fibers in the body can conduct an impulse that is how much faster than the slowest fibers in the body? | Almost 300 times faster |
| The parasympathetic and sympathetic divisions always act with a cooperative influence and through of the impulse, the effect can be increased. | False |
| Accommodation for near vision necessities | An increase in the curvature of the lens, constriction of pupils, and convergence of the two eyes. |
| During pregnancy, what happens to the oxygenated blood return from the placenta via the umbilical vein? | It flows into the inferior vena cava |
| Blood volume per kilogram of body weight varies inversely with: | body fat |
| A hematocrit of 56% would be an indication of: | Polycythemia |
| A decrease in the amount of the white blood cells is called | Leukopenia |
| Which of the following is a powerful poison that acts directly on any cell and quickly kills it? | Lymphotoxin |
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Rimpal Kaur
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