Laxatives are used to:
decrease the amount of wastes excreted.
improve and speed up the passage of the intestinal contents.
increase the digestion of stomach contents.
increase absorption of the contents of the intestines.
The Correct Answer is B
A. decrease the amount of wastes excreted: Laxatives do not reduce waste excretion; rather, they stimulate bowel movements to promote elimination. Their purpose is to relieve constipation by encouraging the evacuation of feces, not to decrease waste output.
B. improve and speed up the passage of the intestinal contents: Laxatives act by softening stool, stimulating peristalsis, or increasing water in the bowel to ease and hasten stool passage. This supports their use in treating constipation or preparing the bowel for procedures.
C. increase the digestion of stomach contents: Laxatives do not influence gastric digestion. Digestion involves enzymatic breakdown in the stomach and small intestine, while laxatives act primarily in the colon to facilitate stool movement and excretion.
D. increase absorption of the contents of the intestines: Many laxatives actually decrease absorption by accelerating transit through the intestines. The faster movement leaves less time for water and nutrients to be absorbed, often leading to looser stools.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. By coating my stomach, this medication will reduce my upset stomach: Metoclopramide does not act by coating the gastric lining. That mechanism is characteristic of gastrointestinal protectants like sucralfate. Metoclopramide works as a prokinetic and antiemetic.
B. I'll be able to go right back to work as a truck driver as soon as I start the medication: Metoclopramide can cause central nervous system side effects such as drowsiness, dizziness, and extrapyramidal symptoms. This may impair ability to operate heavy machinery or drive.
C. This medication will increase the motility of the GI tract: Metoclopramide enhances gastric and intestinal motility by sensitizing tissues to acetylcholine and antagonizing dopamine receptors. It is commonly used to treat gastroparesis and promote gastric emptying.
D. This medication will decrease stomach acid production: Metoclopramide does not reduce acid secretion. Acid suppression is achieved by PPIs or H2 blockers. Metoclopramide’s role is primarily in enhancing GI motility and reducing nausea and vomiting.
Correct Answer is B
Explanation
A. unpredictable behaviors: While altered behavior or confusion can occur with hypoglycemia, these are often later symptoms. Diaphoresis is typically one of the earliest and most noticeable signs, helping prompt faster recognition and intervention.
B. diaphoresis: Diaphoresis, or excessive sweating, is a classic sympathetic nervous system response to hypoglycemia. It is an early warning sign that glucose levels are dropping and immediate treatment is needed to prevent further deterioration.
C. flushing of the face: Flushed skin is more commonly associated with hyperglycemia or hormonal responses rather than hypoglycemia. It does not serve as a reliable indicator of low blood glucose levels in diabetic clients.
D. fruity breath: Fruity or acetone-like breath is a hallmark sign of diabetic ketoacidosis, which occurs in hyperglycemia, not hypoglycemia. It results from the breakdown of fat and ketone accumulation in the blood.
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