Women have a tendency to retain water during part of the menstrual cycle because estrogen mimics the action of what?
ADH
Natriuretic peptide
Oxytocin
Aldosterone
The Correct Answer is D
A. ADH (antidiuretic hormone) promotes water retention by increasing water reabsorption in the kidneys. Estrogen does not mimic the action of ADH.
B. Natriuretic peptide promote sodium excretion, which leads to water loss, not retention. Estrogen does not mimic this action.
C. Oxytocin is primarily involved in labor and lactation, not water retention. Estrogen does not mimic oxytocin's effects.
D. Aldosterone promotes sodium and water retention by increasing sodium reabsorption in the kidneys. Estrogen can mimic the action of aldosterone, leading to water retention during certain phases of the menstrual cycle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Esophageal glands secrete mucus to lubricate the esophagus, but they do not cause acid reflux.
B. Pharyngeal constrictors are muscles that help in the swallowing process, not in preventing acid reflux.
C. The lower esophageal sphincter (LES) is a ring of muscle that controls the passage of food from the esophagus to the stomach. If the LES is weakened or relaxes inappropriately, stomach acid can flow back into the esophagus, causing acid reflux or "heartburn."
D. The upper esophageal sphincter controls the passage of food from the pharynx into the esophagus, but it is not involved in preventing acid reflux.
Correct Answer is C
Explanation
A. Fundus is the upper part of the stomach, which does not regulate the flow of contents to the duodenum.
B. Gastric rugae are folds in the stomach lining that allow for expansion but do not regulate the flow of contents to the duodenum.
C. Pyloric sphincter controls the flow of partially digested food (chyme) from the stomach into the duodenum.
D. Antrum is the lower portion of the stomach that helps in mixing and grinding food but does not directly regulate its flow to the duodenum.
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