What is the role of the serous membranes covering some organs?
a. to provide passage of nutrients for the organ tissues
b. to serve as extra tissue for blood flow to the organ
c. to prevent friction between the organ and body cavity wall
d. to provide a protective outer covering for the organ
Ans: c. to prevent friction between the organ and body cavity wall
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If agglutination occurs after a blood transfusion, it may indicate
A. there were no agglutinins (antibodies) in the recipient blood. B. the donor had type O blood. C. the wrong blood type was used. D. the recipient had type AB blood.
Describe location and general functions of the limbic system
What will be an ideal response?
During normal metabolism of the human body, about 60% of the energy released from organic molecules
A. is used to perform external work. B. appears immediately as heat. C. is stored as triglycerides. D. is used to perform internal work. E. is stored as ATP.
When faced with a stressful situation, John's body began sweating. Why did this occur?
a. Activation of the parasympathetic system. b. Activation of the sympathetic system. c. Activation of the endocrine system. d. Activation of the nervous system.