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Physiology Wk 7-13

QuestionAnswer
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.
Created by: Mrsbradley21
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