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StudyStack 2
Physiology Wk 7-13
Question | Answer |
---|---|
The speed of a nerve impulse depends on the neuron’s resting potential. | False |
Movement of the membrane potential away from zero (below the usual RMP) is called | hyperpolarization. |
Severe depression can be caused by a deficit in certain brain synapses of: | amines. |
The _____ nerve transmits impulses that result in sensations of equilibrium. | vestibular |
The reticular activating system maintains | consciousness. |
The part of the brain that assists in the maintenance of balance is the: | cerebellum. |
Visit this link to watch an animation of the events that occur when a hormone binds to a cell membrane receptor. A small molecule binds to a G protein, preventing its activation. What direct effect will this have on signaling that involves cAMP? | Adenylyl cyclase will not be activated. |
Visit this link to watch an animation showing the role of the hypothalamus and the pituitary gland. Which hormone is released by the pituitary to stimulate the thyroid gland? | thyrotropin |
The foramen ovale allows blood to move from the right atrium to the left atrium | bypassing pulmonary circulation. |
Antigen presenting macrophage interact with | a T-helper cell that recognizes the same antigen |
The mechanism that produces pulmonary ventilation is one that establishes a gas pressure gradient between the | atmosphere and the alveolar air. |
Fats and other nutrients in the duodenum stimulate the intestinal mucosa to release a hormone called | gastric inhibitory peptide. |