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Ivy C.
Physiology week 7-13
| Question | Answer |
|---|---|
| A synaptic knob would be located on a(n): cell body. | axon |
| A membrane that exhibits a membrane potential is said to be | polarized. |
| Norepinephrine is liberated at: | most sympathetic postganglionic nerve endings |
| Tongue movement is controlled by which cranial nerve? | hypoglossal |
| Which of the following statements is not true of the pineal gland? | Melatonin is stimulated by the presence of sunlight. |
| The immediate effect of a steroid hormone on a cell is the: | transcription of RNA. |
| Blood volume per kilogram of body weight varies inversely with: | body fat. |
| Platelets play an important role in | blood clotting. |
| Complement can best be described as a(n): | enzyme in blood. |
| The ingestion and destruction of microorganisms or other small particles is called | phagocytosis. |
| Which of the following would you expect to happen to cellular respiration during exercise? | Increased cellular respiration occurs during exercise, causing a rise in plasma PCO2, which is detected by central chemoreceptors in the brain and perhaps peripheral chemoreceptors in the carotid sinus and aorta to cause an increase in respiration rate. |
| The exact amount of oxygen in blood depends mainly on the amount of | hemoglobin. |
| Which of the processes of mechanical digestion involves the esophagus? | Deglutition Peristalsis |
| Peristalsis is regulated in part by the intrinsic stretch reflexes. It is also thought to be stimulated by the hormone | cholecystokinin (CCK) |