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Crystel Ledesma

Physiology Week 7-13

QuestionAnswer
The effect of sympathetic stimulation on the urinary bladder is relaxation.
Both sympathetic and parasympathetic divisions are tonically active, which means they continually conduct impulses to autonomic effectors.
“Fight or flight” physiological changes include all of the following EXCEPT constriction of respiratory airways.
The _____ consists of several structures that lie beneath the thalamus and form the floor of the third ventricle and the lower part of its lateral walls. hypothalamus
Parasympathetic stimulation has no effect on any of the following areas except: sweat glands.
Which of the following statements is not true of the pineal gland? Melatonin is stimulated by the presence of sunlight.
During pregnancy, what happens to the oxygenated blood returned from the placenta via the umbilical vein? It flows into the inferior vena cava.
Blood viscosity stems mainly from the red blood cells but also partly from the _____ in blood. protein molecules present
Which of the following is a powerful poison that acts directly on any cell and quickly kills it? lymphotoxin
What is the function of the spleen? tissue repair, hematopoiesis, red blood cell and platelet destruction, blood reservoir
Recognition of antigens by antibodies occurs when an antigen’s epitopes fit into and bind to an antigen molecule’s antigen-binding site.
Created by: CLGutierrez
 

 



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