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Physiology Finals

Finals week

QuestionAnswer
During which stage of swallowing is there a risk of food entering respiratory pathways? - Oropharyngeal - Esophageal - Chemical digestion - Mastication Oropharyngeal
Stimulation of gastric juice secretion occurs in all of the following phases except the _____ phase. - cephalic - digestive - gastric - intestinal digestive
The basic rhythm of the respiratory cycle of inspiration and expiration seems to be generated by the - medullary rhythmicity area. - apneustic center. - pneumotaxic center. - pons. medullary rhythmicity area.
An increase in carbon dioxide in the blood causes - a drop in pH in the blood. - an increase in pH in the blood. - no change in pH. - an increase in partial pressure. a drop in pH in the blood.
Which of the following is a powerful poison that acts directly on any cell and quickly kills it? - cytotoxin - phagotoxin - lymphotoxin - granulotoxin lymphotoxin
Molecules formed by the reactions of the complement cascade assemble themselves on the enemy cell’s surface, which results in - cytolysis. - crenation. - apoptosis. - hemolysis. cytolysis.
Blood pressure is measured with the aid of an apparatus known as a(n) - stethoscope. - sphygmomanometer. - EKG. - MRI. sphygmomanometer.
The chemoreceptors in the carotid bodies are particularly sensitive to: - hypercapnia. - hypoxia. - a decrease in blood pH. - an increase in the hydrogen ion concentration of the blood. hypercapnia.
Which of the following is a function of glucagon? - Promotes the entry of glucose into tissue cells - Tends to decrease blood glucose concentrations - Tends to increase blood glucose concentrations - Converts glucose into glycogen Tends to increase blood glucose concentrations
Which of the following is true about pain receptors? - Alpha fibers respond to chronic pain - Alpha fibers associated with dull, aching pain - Alpha fibers associated with sharp, localized pain - Beta fibers are associated with sharp, localized pain Alpha fibers are associated with sharp, localized pain.
Normal infants will show the Babinski reflex up to the age of _____ years. - 1.5-2 - 5 - 1 - 3 1.5-2
Most effectors of the autonomic nervous system are dually innervated by sympathetic and parasympathetic neurons. - True - False TRUE
Which of the following is not one of the main chemical classes of neurotransmitters? - Triglycerides - Amines - Amino acids - Neuropeptides Triglycerides
The brief period during which a local area of an axon's membrane resists re-stimulation is called the __________ period. - refractor - resting - repolarization - action refractor
Created by: MerHernandez
 

 



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