Which of the following events does NOT occur when you swallow?
A) The glottis and epiglottis close.
B) The lower esophageal sphincter relaxes.
C) The upper esophageal sphincter closes.
D) Respiration is inhibited.
C) The upper esophageal sphincter closes.
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During isovolumetric phases of the cardiac cycle,
a. the atria are contracting b. all heart valves are closed c. blood is being ejected into the aorta d. the ventricles can only be relaxing e. both a and b are true
Sodium reabsorption in the distal portions of the nephron is stimulated by
a. atrial natriuretic peptide b. vasopressin c. angiotensin II d. aldosterone e. renin
What do you call the outermost connective tissue wrapping that surrounds the kidney?
A) Nephron B) Renal cortex C) Renal medulla D) Renal capsule
The perception of position and movement of body parts is
A. sensation. B. kinesthesia. C. proprioception. D. All of the choices are correct.