The nurse is caring for a client with renal dysfunction who requires an oral antidiabetic agent.
What drug will the nurse expect to see ordered?

This is because a nutritious diet provides adequate fiber and nutrients for the GI tract, avoiding alcohol prevents dehydration and irritation of the GI mucosa, and cautious use of laxatives prevents dependency and electrolyte imbalance.

Choice A is wrong because caffeine can stimulate the GI motility and cause diarrhea or cramps.

Choice C is wrong because some prescription medications can affect the GI function, such as antibiotics, opioids, or antacids.

Increased fluid intake is good, but not enough to promote optimal GI function.

Vigorous exercise can also cause GI distress or dehydration.

Choice D is wrong because adequate fluid intake is essential for preventing constipation and maintaining hydration.

Exercise can also help with bowel movements and overall health.

Normal ranges for GI function vary depending on the individual, but generally, a person should have at least one bowel movement every 3 days and no more than 3 bowel movements per day.

The stool should be soft, formed, and easy to pass.

The CTZ has to be stimulated in order for vomiting to occur. The CTZ is located in the area postrema of the medulla oblongata and receives input from various sources, such as the blood, the vestibular system, and the gastrointestinal tract.

Choice A is wrong because the limbic system involves emotion, not vomiting or other forms of GI function.

Choice B is wrong because the hypothalamus regulates various functions such as body temperature, hunger, thirst, and circadian rhythms, but not vomiting.

Choice D is wrong because the medulla oblongata is responsible for autonomic functioning such as ventilation, cardiac conduction, and vomiting, but it is not the site of stimulation for vomiting.

The medulla oblongata contains the vomiting center, which receives signals from the CTZ and other sources and initiates the act of vomiting.