Practice Question
How does an antihistamine work?
Answer Choices:
Correct Answer:
By blocking the effects of histamine in the body
Rationale:
♦️Antihistamines block histamine (H1 or H2 receptors), preventing symptoms like itching, swelling, and congestion caused by allergic reactions.
♦️They do not reduce inflammation directly or stimulate the immune system.
Want to practice more questions like this?
This question is from RN Pharmacology nurs 20500 which contains 46 questions.
More Questions from This Exam
A client is teaching a client who has a new prescription for hydrochlorothiazide for management of hypertension. Which of the following Instructions should the nurse include?
Answer Choices:
A. "Reduce intake of potassium-rich foods."
B. "Take this medication before bedtime."
C. "Avoid grape juice.'
D. "Monitor for leg cramps:
ACE inhibitors work on the RAAS to prevent the conversion of angiotensin I to angiotensin II. Because this blocking occurs in the cells in the lung, which is usually the site of this conversion, the use of ACE inhibitors often results in
Answer Choices:
A. unrelenting cough.
B. respiratory depression.
C. spontaneous pneumothorax.
D. pneumonia.
A nurse is caring for a client who is postoperative following a transurethral resection of the prostate (TURP). The nurse should plan to administer the client's PRN bethanechol when the client reports which of the following manifestations?
Answer Choices:
A. Severe pain.
B. Frequent episodes of painful urination
C. An inability to void
D. Bladder spasms
A nurse is teaching the family of a client who has Alzheimer's disease about donepezil. Which of the following information should the nurse include in the teaching?
Answer Choices:
A. "Syncope episodes may occur when taking this medication.
B. "You will need to monitor for constipation."
C. "This medication may cause tachycardia."
D. "You should administer the medication each morning."
Question Details
- Category: RN Nursing Exam(s)
- Subcategory: ATI Exam(s)
- Domain: RN ATI Pharmacology
- Answer Choices: 4