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Human phy 2
| Question | Answer |
|---|---|
| The sequence of auditory ossicles in the middle ear starting at the tympanic membrane and ending at the oval window is: | • malleus, incus, and stapes. |
| The vomiting reflex is mediated by the: | • medulla. |
| A child was frightened by a large dog. The pupils of the child’s eyes became dilated, and the heart and respiratory rates increased. These symptoms were caused by stimulation of: | • the sympathetic nervous system. |
| Acetylcholine can stimulate $\_\_\_\_\_$ receptors. | • nicotinic |
| Once inside the sympathetic chain ganglion, the preganglionic fiber may: | • synapse with a sympathetic postganglionic neuron. • send ascending and/or descending branches through the sympathetic trunk to synapse with postganglionic neurons in other chain ganglia. • pass through one or more ganglia without synapsing. |
| The part of the brain that can directly influence or inhibit the release of hormones from the pituitary is the: | • hypothalamus. |
| The knee jerk can be classified as a segmental reflex because: | • impulses that mediate it enter and leave the same segment of the cord. |
| A synaptic knob would be located on a(n): | • axon. |
| Dopamine, epinephrine, and norepinephrine are classified as: | • catecholamines. |
| Which of the following antidepressants acts by blocking the action of monoamine oxidase | • Phenelzine |