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 109 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
Great answer, keep it coming :)

ebonylittles

  • Member
  • Posts: 318
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

Signs and symptoms of a drug overdose include losing consciousness, fever or sweating, breathing problems, abnormal pulse, and changes in skin color.

Did you know?

Automated pill dispensing systems have alarms to alert patients when the correct dosing time has arrived. Most systems work with many varieties of medications, so patients who are taking a variety of drugs can still be in control of their dose regimen.

Did you know?

Asthma-like symptoms were first recorded about 3,500 years ago in Egypt. The first manuscript specifically written about asthma was in the year 1190, describing a condition characterized by sudden breathlessness. The treatments listed in this manuscript include chicken soup, herbs, and sexual abstinence.

Did you know?

Approximately one in three babies in the United States is now delivered by cesarean section. The number of cesarean sections in the United States has risen 46% since 1996.

Did you know?

The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.

Caring for a patient on isolation precautions cont'd Caring for a patient on isolation precautions cont'd
Apply direct pressure to the patient’s wound. Apply direct pressure to the patient’s wound.
Operations Management question Operations Management question
Metastasis Cancer Order Metastasis Cancer Order
Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ... Flow data for a healthy donor (top panel) and a HIV positive patient. CD3 is a T-cell marker, CD4 is ...
If drug elimination mechanisms become saturated, a drug may exhibit zero-order elimination. If drug elimination mechanisms become saturated, a drug may exhibit zero-order elimination.
Video: Types of Shock (Part 2 of 2)

For a complete list of videos, visit our video library