Two hours before major surgery is to begin, the patient experiences "jitters," an elevated heart rate and blood pressure, increased rate of breathing, cold sweats, and an urge to urinate. These symptoms are the result of
A) decreased levels of epinephrine in the blood.
B) decreased activity of sympathetic centers in the hypothalamus.
C) sympathetic activation.
D) increased parasympathetic activity.
E) all of these mechanisms.
C) sympathetic activation.
Anatomy & Physiology
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Answer the following statement true (T) or false (F)
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The anterior border to the perineum is the
A. anus. B. pubic symphysis. C. ischial tuberosity. D. bulbospongiosus muscle.
Anatomy & Physiology
While traveling abroad in Africa you observe a large number of people with goiter (enlarged thyroid). Which mineral deficiency could be responsible for this?
A) iodine B) chromium C) fluorine D) iron
Anatomy & Physiology
Action potentials can be summed
Indicate whether the statement is true or false
Anatomy & Physiology