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Physiology
Physiology Weeks 7-13
Question | Answer |
---|---|
Severe depression can be caused by a deficit in certain brain synapses of: | Amines |
During a relative refractory period: | The action potential can be initiated with a strong stimulus. |
All of the following cranial nerves are involved in proprioception except the: | Vagus |
How many pairs of lumbar nerves? | 5 |
Sensory impulses ending in what part of the CNS trigger imprecise or “crude” sensation awareness? | Thalamus |
Which of the following is not a characteristic of the endocrine system? | Chemical messenger travels a short distance. |
In the extrinsic pathway of stage 1 of the clotting mechanism, chemicals released from damaged tissues trigger the cascade of events that ultimately result in the formation of | Prothrombin activator |
Neutrophils are highly mobile and phagocytic. They migrate out of blood vessels and into tissue spaces. This process is called | diapedesis. |
Which protein interferes with the ability of viruses to cause disease? | interferon |
If a person were skiing high up in the mountains, she might feel that she is having trouble breathing (getting enough oxygen in her blood). This is because the: | lower atmospheric pressure lowers the PO2 and the diffusion gradient between the blood and the atmosphere is less. |
Bicarbonates are useful in the GI tract to: | neutralize hydrochloric acid. |
The sodium cotransport or coupled transport acts to transport sodium ions and glucose molecules _____ the GI lumen. | passively out of |