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 101 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
YES! Correct, THANKS for helping me on my review

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

Did you know?

Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

Did you know?

A seasonal flu vaccine is the best way to reduce the chances you will get seasonal influenza and spread it to others.

Did you know?

If you use artificial sweeteners, such as cyclamates, your eyes may be more sensitive to light. Other factors that will make your eyes more sensitive to light include use of antibiotics, oral contraceptives, hypertension medications, diuretics, and antidiabetic medications.

Gate Control Theory, Gate control, Open gate, Closed gate, Pain, Nerve transmission of pain, Pain ma Gate Control Theory, Gate control, Open gate, Closed gate, Pain, Nerve transmission of pain, Pain ma
Vapocoolant spray application while passively stretching the paracervical muscles. Take care to prot Vapocoolant spray application while passively stretching the paracervical muscles. Take care to prot
Drug Classification and Description of Use Drug Classification and Description of Use
Drug Classification and Description of Use Drug Classification and Description of Use
Opioids for Pain Management Opioids for Pain Management
Some common eye disorders. (D) Conjunctival hemorrhage of the right eye of this patient with ... Some common eye disorders. (D) Conjunctival hemorrhage of the right eye of this patient with ...
Video: Activation Energy - Valence Electrons

For a complete list of videos, visit our video library