Drug Classifications Nursing

Drug Classifications Nursing Related

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A nurse is reinforcing teaching for a client regarding how to mix regular insulin and NPH insulin in the same syringe. Which of the following actions, if performed by the client, indicates the need for further teaching?

  • A. Withdraws the NPH insulin first
  • B. Withdraws the regular insulin first
  • C. Injects air into NPH insulin vial first
  • D. Injects an amount of air equal to the desired dose of insulin into the vial
Correct Answer: A

Rationale: When preparing a mixture of regular insulin with another insulin preparation, the regular insulin is drawn into the syringe first. This sequence will avoid contaminating the vial of regular insulin with insulin of another type. Options 2, 3, and 4 identify the correct actions for preparing NPH and regular insulin.

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The Combination of amoxycillin + clavulanic acid is used because

  • A. It broadens the spectrum of amoxycillin
  • B. It decreases the side effect of amoxycillin
  • C. It decreases the toxicity of clavulanic acid
  • D. It increases the oral bio availability of amoxycillin
Correct Answer: A

Rationale: Clavulanic acid inhibits beta-lactamases, broadening amoxicillin's spectrum.

Long-acting beta-agonists (LTBAs) received a Black Box Warning from the U.S. Food and Drug Administration due to the:

  • A. Risk of life-threatening dermatological reactions
  • B. Increased incidence of cardiac events when LTBAs are used
  • C. Increased risk of asthma-related deaths when LTBAs are used
  • D. Risk for life-threatening alterations in electrolytes
Correct Answer: C

Rationale: The FDA Black Box Warning for LTBAs highlights increased asthma-related mortality risk, not dermatologic , cardiac , or electrolyte issues.

The major factor in terminating the action of ethanol is

  • A. Biotransformation
  • B. Excretion through lungs
  • C. Excretion unchanged in urine
  • D. Excretion in feces
Correct Answer: A

Rationale: Ethanol is primarily metabolized by the liver (biotransformation) via alcohol dehydrogenase.

Which of the following statements about NSAIDs is true?

  • A. Most NSAIDs are weak acids
  • B. Most NSAIDs are metabolised by the liver into inactive metabolites
  • C. Oxicams tend to have the longest half-lives of all NSAIDs
  • D. All of the above
Correct Answer: D

Rationale: All are true: NSAIDs are weak acids, metabolized by the liver, and oxicams (e.g., piroxicam) have long half-lives.

Which of the following is natural mineralcorticoid:

  • A. Methylprednisolone
  • B. Betamethasone
  • C. Triamcinolone
  • D. Aldosterone
Correct Answer: D

Rationale: Aldosterone is the natural mineralocorticoid produced by the adrenal glands.

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