The tapering distal portion of the stomach is known as the ____.
a) cardia
b) pyloris
c) fundus
d) body
Ans: b) pyloris
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Using Figure 15.3, match the following:
1) Produces glucocorticoids.
2) Produces epinephrine.
3) Produces aldosterone.
4) Excess hormone levels result in Cushing’s syndrome.
5) Hormones mimic sympathetic nervous system neurotransmitters.
6) Produces androgens.
Twenty-six bones make up the vertebral column
Indicate whether the statement is true or false.
Immediately following a dialysis treatment, a middle-aged woman complains of generalized weakness and nausea. Her blood pressure is 80/50 mm Hg, pulse rate is 40 beats/min and weak, and respirations are 22 breaths/min and regular. She is receiving supplemental oxygen, and an IV line has been established in the extremity opposite the shunt. The ECG reveals sinus bradycardia in lead II. Your next action should be to:
A) obtain a 12-lead ECG tracing. B) administer 0.5 mg of atropine sulfate. C) administer a 20-mL/kg fluid bolus. D) administer calcium and bicarbonate.
Which of the following is responsible for the repolarization of the membrane after the peak of the action potential?
A. The membrane potential reaches the Na+ equilibrium potential. B. The voltage-gated Na+ channels begin to inactivate. C. The slowly opening voltage-gated K+ channels permit K+ to enter. D. The influx of Na+ and the outflow of K+ are equal. E. There is no longer a gradient to drive K+ into the cell.