A nurse is teaching a client who has a prescription of a nasogastric tube (NG) to treat a pyloric obstruction. Which of the following rationales for the use of the nasogastric tube should the nurse include in the teaching?
Administer medications
Supply nutrients via tube feedings
Decompress the stomach
D. Determine the pH of the gastric secretions
The Correct Answer is C
A. Administer medications:
While nasogastric tubes can be used to administer medications, this is not the primary rationale for their use in pyloric obstruction. The primary goal is often decompression.
B. Supply nutrients via tube feedings:
Providing nutrients via tube feedings is not the primary purpose in the context of a pyloric obstruction. Decompression is more relevant in this scenario.
C. Decompress the stomach:
Decompressing the stomach is a common use of nasogastric tubes in the context of pyloric obstruction. The tube helps to remove excess air and gastric contents, relieving pressure in the stomach.
D. Determine the pH of the gastric secretions:
While determining the pH of gastric secretions is a possible use, it is not the primary rationale for nasogastric tube placement in pyloric obstruction. The primary goal is often to relieve obstruction and decompress the stomach.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Lactulose is not used to decrease potassium levels. It is a laxative that works by drawing water into the colon, softening stools and promoting bowel movements.
B. Lactulose is used to decrease ammonia levels in clients with cirrhosis. Ammonia is a byproduct of protein metabolism, and when the liver is compromised, it may not effectively convert ammonia into urea, leading to elevated ammonia levels in the bloodstream. Lactulose helps reduce ammonia absorption in the colon.
C. Lactulose does not decrease glucose levels significantly. It is not primarily used as an antidiabetic medication.
D. Lactulose does not affect bicarbonate levels significantly. It primarily targets ammonia reduction in clients with cirrhosis.
Correct Answer is ["A","B","D","E"]
Explanation
A. Is used to replace fluid loss.
Isotonic solutions, such as normal saline (0.9% NaCl) and lactated Ringer's solution, are used to replace fluid loss in situations such as dehydration, surgery, trauma, or other conditions where there is a need for fluid resuscitation.
B. Usually do not provide calories.
Isotonic solutions typically do not contain calories. They are designed primarily for fluid replacement and do not contribute to the nutritional needs of the patient.
C. Does not expand intravascular volume.
This statement is incorrect. Isotonic solutions are used to expand intravascular volume. When infused into the bloodstream, isotonic solutions help restore and maintain adequate blood volume. They do not cause significant shifts of fluids between compartments.
D. Mostly do not provide free water.
Isotonic solutions generally do not provide free water. They have the same osmolality as body fluids, meaning that they do not cause a net movement of water into or out of cells, and they maintain the osmotic balance.
E. Has the same osmolality as body fluids.
Isotonic solutions have the same osmolality as body fluids, which means they do not cause a net movement of water into or out of cells. This characteristic makes them suitable for situations where there is a need to expand intravascular volume without causing significant shifts in fluid compartments.
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