This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A patient has a drug order for prochlorperazine (Compazine) for management of nausea and vomiting. ... (Read 111 times)

EY67

  • Hero Member
  • *****
  • Posts: 531
on: Jul 23, 2018
A patient has a drug order for prochlorperazine (Compazine) for management of nausea and vomiting. Review the following statements, and select the one that most accurately describes the action of the drug.
 
  a. It blocks the action of serotonin in the brain.
  b. It blocks the effects of dopamine in the chemoreceptor trigger zone.
  c. It stimulates relaxation of smooth muscle in the gastrointestinal (GI) tract.
  d. It enhances release of acetylcholine at nerve endings in the mesentery.

Question 2

Which of the following extrapyramidal adverse effects is associated with phenothiazine drugs?
 
  a. Sedation
  b. Hypotension
  c. Opacity of the lens
  d. Pseudoparkinsonism


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

alvinum

  • Sr. Member
  • ****
  • Posts: 317
Reply #1 on: Jul 23, 2018
Answer to Question 1

ANS: B
The phenothiazines, such as prochlorperazine, suppress nausea and vomiting by blockade of do-pamine receptors in the chemoreceptor trigger zone (CTZ).

Answer to Question 2

ANS: D
Although unusual when used for nausea and vomiting, phenothiazines have a variety of serious adverse effects, including extrapyramidal reactions such as pseudoparkinsonism, dystonia, aka-thisia, and tardive dyskinesia.


EY67

  • Member
  • Posts: 531
Reply 2 on: Jul 23, 2018
Thanks for the timely response, appreciate it

komodo7

  • Member
  • Posts: 322
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

Did you know?

Children of people with alcoholism are more inclined to drink alcohol or use hard drugs. In fact, they are 400 times more likely to use hard drugs than those who do not have a family history of alcohol addiction.

Did you know?

Critical care patients are twice as likely to receive the wrong medication. Of these errors, 20% are life-threatening, and 42% require additional life-sustaining treatments.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Chronic marijuana use can damage the white blood cells and reduce the immune system's ability to respond to disease by as much as 40%. Without a strong immune system, the body is vulnerable to all kinds of degenerative and infectious diseases.

Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event Electrocardiography. (a) Electrodes are placed on the patient’s chest to record the electrical event
Vaginal drug administration: (b) using an applicator to instill a vaginal cream Vaginal drug administration: (b) using an applicator to instill a vaginal cream
Multiple-dose drug administration: drug A and drug B are administered every 12 hours; drug B reaches Multiple-dose drug administration: drug A and drug B are administered every 12 hours; drug B reaches
For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu For ice massage, ice is frozen in a cylindrical container or a paper cup (A). The top half of the cu
Management of Opioid Adverse Effects Management of Opioid Adverse Effects
Drug Classes for Hypertension Drug Classes for Hypertension
Video: Interview with Person who has Panic Attacks

For a complete list of videos, visit our video library