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Author Question: A patient with variant angina wants to know why a beta blocker cannot be used to treat the angina. ... (Read 55 times)

DelorasTo

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on: Jul 23, 2018
A patient with variant angina wants to know why a beta blocker cannot be used to treat the angina. Which response by the nurse is correct?
 
  a. A beta1-selective beta blocker could be used for variant angina.
  b. Beta blockers do not help relax coronary artery spasm.
  c. Beta blockers do not help to improve the cardiac oxygen supply.
  d. Beta blockers promote constriction of arterial smooth muscle.

Question 2

The nurse reads the prescriber's orders and prepares to administer a medication as needed. Which order would the nurse plan to implement?
 
  a. Acetaminophen (Tylenol) 650 mg 1 PO q 6 hours
  b. Acetaminophen (Tylenol) 650 mg 1 PO q 4 hours prn
  c. Acetaminophen (Tylenol) 650 mg 1 PO stat
  d. Acetaminophen (Tylenol) 650 mg 1 PO BID


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gcook

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Reply #1 on: Jul 23, 2018
Answer to Question 1

B
Variant angina occurs when coronary arteries go into spasm, thus reducing the circulation and oxygen supply to the heart. CCBs help to reduce coronary artery spasm; beta blockers do not. Beta1-selective beta blockers are used for stable angina for patients who also have asthma, be-cause they do not activate beta2 receptors in the lungs to cause bronchoconstriction . Beta block-ers help improve the oxygen supply in stable angina, but they do not relieve coronary artery spasm, so they are not useful in variant angina. Beta blockers do not constrict arterial smooth muscle.

Answer to Question 2

B
Every 4 hours prn, means every 4 hours as needed.
Every 6 hours is a scheduled medication.
A stat order means immediately.
A medication ordered BID indicates twice daily.

DIF: Cognitive Level: Knowledge REF: p. 8
TOP: Nursing Process: Planning
MSC: NCLEX Client Needs Category: Physiological Integrity: Reduction of Risk Potential


DelorasTo

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Reply 2 on: Jul 23, 2018
Excellent

parshano

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Reply 3 on: Yesterday
:D TYSM

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