Nursing Pharmacology Drug Classifications

Nursing Pharmacology Drug Classifications Related

Review Nursing Pharmacology Drug Classifications related questions and content

The nurse is assessing a diabetic patient who has presented at the clinic reporting several hypoglycemic episodes during the past 3 weeks. The nurse questions the patient about the use of herbal or alternative therapies, suspecting what herbal remedy could cause the hypoglycemic episodes?

  • A. St. John's wort
  • B. Kava
  • C. Fish oil
  • D. Ginseng
Correct Answer: D

Rationale: Ginseng is known to decrease blood sugar levels. If the patient used this in combination with his or her oral antidiabetic agent, diet, and exercise, his or her blood sugar could drop below therapeutic levels. St. John's wort interacts with many drugs, but not with antidiabetic agents. Kava is associated with liver toxicity. Fish oil has been associated with decreased coronary artery disease.

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A nurse is working as a member of a research team involved in exploring the unique response to drugs each individual displays based on genetic make-up. What is this area of study called?

  • A. Pharmacotherapeutics
  • B. Pharmacodynamics
  • C. Pharmacoeconomics
  • D. Pharmacogenomics
Correct Answer: D

Rationale: Pharmacogenomics is the area of study that includes mapping of the human genome. In the future, medical care and drug regimens may be personally designed based on a patients unique genetic make-up. Pharmacotherapeutics is the branch of pharmacology that deals with the uses of drugs to treat, prevent, and diagnose disease. Pharmacodynamics involves how a drug affects the body. Pharmacoeconomics includes the costs involved in drug therapy.

Decision support systems often provide medication alerts that tell the prescriber:

  • A. Patient history data with a summary of their diagnoses
  • B. The usual dosage for the drug being prescribed
  • C. The patient's latest laboratory values, such as potassium levels
  • D. Potential drug-to-drug interactions with other medications the patient is taking
Correct Answer: D

Rationale: Decision support systems primarily alert prescribers to drug-drug interactions.

Which of the following statements about beta-blockers is false?

  • A. Beta-blockers should be avoided with non-dihydropyridine calcium channel blockers
  • B. Beta-blockers increase renin secretion
  • C. Non-selective beta-blockers are contraindicated in asthma
  • D. Beta-blockers prolong the refractory period of the AV node
Correct Answer: B

Rationale: Beta-blockers decrease renin secretion by blocking beta-1 receptors in the kidney, making this statement false.

A nurse is providing teaching for a client who is withdrawing from alcohol and has a new prescription for Propranolol. Which of the following information should the nurse to include in the teaching?

  • A. Increases the risk for seizure activity
  • B. Provides a form of aversion therapy
  • C. Decreases cravings
  • D. Results in mild hypertension
Correct Answer: C

Rationale: Propranolol reduces withdrawal symptoms like tremors and cravings , not seizures or aversion.

The mean weight of 500 college students is 70 kg and the standard deviation is 3 kg. Assuming that the weight is normally distributed, determine how many students weigh less than 64 kg.

  • A. 5
  • B. 11
  • C. 15
  • D. 20
Correct Answer: B

Rationale: Z-score: (64-70)/3 = -2. P(Z < -2) = 1 - P(Z ≤ 2). Using standard tables, P(Z ≤ 2) ≈ 0.9772, so P(Z < -2) = 1 - 0.9772 = 0.0228 (document says 0.02128, likely a typo). Then, 0.0228 * 500 ≈ 11, matching the document.

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