Antiemetics

Which class of antiemetic drugs acts on the chemoreceptor trigger zone to inhibit nausea and vomiting?

Which group of drugs is used almost exclusively to prevent motion sickness?

How does metoclopramide primarily reduce nausea and vomiting?

Dolasetron, granisetron, and ondansetron belong to a class of antiemetics that block the effects of serotonin at which receptor sites?

Aprepitant, fosaprepitant, and rolapitant are used specifically for nausea and vomiting associated with what condition?

Aprepitant and its related drugs act as selective antagonists at which receptors in the brain?

What is the primary contraindication for the use of antiemetics according to the text?

In which patient population should phenothiazines be used cautiously, especially if they have viral illnesses?

For which patient group are there no antiemetic agents approved for safe use, requiring careful selection?

Concurrent use of antiemetics with other CNS depressants like antidepressants and opioid analgesics can lead to what effect?

When phenothiazines are used with antihypertensives, nitrates, or acute ingestion of alcohol, what potential adverse effect can occur?

What should be assessed in a patient receiving antiemetics before and following administration?

For patients with severe nausea and vomiting, what additional intervention may be required besides antiemetics?

Which of the following is listed as a potential nursing diagnosis for a patient taking antiemetics?

When administering an antiemetic for prophylactic purposes, how should the timing be determined?

Which general measure is recommended for patients to decrease nausea?

Due to the potential for drowsiness, what should a patient be advised to do while taking antiemetics?

To minimize orthostatic hypotension, what instruction should be given to a patient taking antiemetics?

What is the primary desired outcome for a patient receiving antiemetic therapy?

Which specific group of antiemetics are used for nausea and vomiting associated with surgery, anesthesia, and antineoplastic therapy?

What is the mechanism of action for dimenhydrinate, scopolamine, and meclizine as antiemetics?

The interaction between phenothiazines and alcohol can lead to what adverse effect?

Besides nausea and vomiting, what other two parameters are important to monitor in a patient receiving antiemetics?

Which nursing diagnosis relates to the nutritional status of a patient taking antiemetics?

What patient teaching point is related to managing the environment to decrease nausea?