This portion of the brain adjusts skeletal muscle activity to maintain equilibrium and posture.
A. Pons
B. Cerebrum
C. Medulla oblongata
D. Epithalamus
E. Cerebellum
Answer: E
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Diagnosing a disease involves determining the
A. cause of the homeostatic imbalance.?B. multiple side effects of a drug.?C. effector and the set point.?D. negativity of the feedback.
What is the role of interferon in defense against disease?
A) protects cells that have not yet been infected by viruses B) activates the inflammatory process C) activates the complement mechanism D) protects cells that have not yet been infected by bacteria
What is the first step in the duplication of a DNA molecule?
a. nucleic acids are added b. DNA unwinds c. prophase begins d. RNA binds
Skeletal muscle can be tetanized; can heart muscle also be tetanized? Why or why not?
A) Yes, extrasystoles are evidence of tetanus. B) Yes, all muscle can be tetanized. C) No, heart muscle does not show summation and tetanus because of the long refractory period of cardiac muscle cells.