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Denesha Williams

Physiology Weeks 7-13

QuestionAnswer
True or False. Depolarization is the movement of the membrane potential away from zero (below the usual RMP). False. Hyperpolarization is the movement of the membrane potential away from zero (below the usual RMP).
The active transport mechanism in the plasma membrane that transports sodium and potassium ions in opposite directions and at different rates is the... A. chloride channel B. ion pump C. sodium-potassium channel D. sodium-potassium pump D. sodium-potassium pump
A mixed nerve carries... a. sensory fibers b. motor fibers c. both sensory and motor fibers d. none of the above c. both sensory and motor fibers
The second largest part of the brain, located just below the posterior portion of the cerebrum, is the... A. cerebellum B. midbrain C. cortex D. medulla oblongata A. cerebellum
A lighted instrument used to examine the external ear canal and outer surface of the tympanic membrane is called a... A. stethoscope B. sphygmomanometer C. otoscope D. audiometer C. otoscope
Define Placenta. The tissue that forms on the lining of the uterus as an interface between the circulatory systems of the mother and developing child, serves as a temporary endocrine gland.
True or False. Leukopenia is a decrease in the amount of red blood cells. False. Leukopenia is a decrease in the amount of white blood cells.
A sphygmomanometer is used to measure... A. heart sounds B. kidney function C. blood levels D. blood pressure D. blood pressure
Define valves. Mechanical devices that permit the flow of blood in one direction only.
True or False. The thymus is the primary organ of the lymphatic system. True.
An increase in carbon dioxide in the blood causes... a drop of pH in the blood.
Describe asthma. An obstructive lung disorder that is characterized by recurring spasms of the smooth muscles in the wall of the bronchial air passages
A spirometer is used to measure... a. blood pressure b. the volume of air exchanged in breathing c. heart activity d. none of the above b. the volume of air exchanged in breathing
True or False. Secretin is the hormone that stimulates the release of bicarbonate substance from the pancreas. True.
Deglutition is the process of... A. spitting B. swallowing C. chewing D. burping B. swallowing
Created by: WillyD23
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