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Matt

SCI221 Week 14 - Assignment - StudyStack Set 2

QuestionAnswer
Movement of the membrane potential away from zero (below the usual RMP) is called repolarization. hypopolarization. hyperpolarization. depolarization. hyperpolarization
Parasympathetic stimulation has no effect on any of the following areas except: sweat glands. skin blood vessels. the liver. the urinary bladder. sweat glands
The reticular activating system maintains sleep rhythms. consciousness. unconsciousness. sensory impulses. consciousness
Which hormone is released by the pituitary to stimulate the thyroid gland? thyroxine triiodothyronine thyrotropin thyrotrope thyrotropin
Which hormone produced by the adrenal glands is responsible for mobilization of energy stores? Aldosterone ACTH Cortisol Epinephrine cortisol
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava It flows into the superior vena cava It flows into the ductus venosus It flows into the ductus arteriosus It flows into the inferior vena cava
Which of the following is a powerful poison that acts directly on any cell and quickly kills it? cytotoxinphagotoxin lymphotoxin granulotoxin lympotoxin
Memory cells: immediately secrete antibodies when they are formed. are supporting cells and are not related to antibody production. are a special type of T cell. become plasma cells when exposed to an antigen. become plasma cells when exposed to an antigen.
The ability of our immune system to attack abnormal or foreign cells but spare our own normal cells is called: innate immunity. nonspecific immunity. self-tolerance. adaptive immunity. adaptive immunity
Which of the following constitutes total lung volume? Residual volume and vital capacity Tidal volume, inspiratory reserve volume, and expiratory reserve volume Residual volume and tidal volume Vital capacity and tidal volume Residual volume and vital capacity
Created by: mder
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