Nursing Pharmacology Drug Classifications

Nursing Pharmacology Drug Classifications Related

Review Nursing Pharmacology Drug Classifications related questions and content

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.

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Which of the following drugs is used to accelerate pulmonary maturation in the fetus in women with premature labor?

  • A. Aminoglutethimide
  • B. Betamethasone
  • C. Mifepristone
  • D. Misoprostol
Correct Answer: B

Rationale: Betamethasone, a glucocorticoid, is administered to enhance fetal lung maturation by stimulating surfactant production in preterm labor.

The Vaccine Adverse Events Reporting System is:

  • A. A mandatory reporting system for all health-care providers when they encounter an adverse vaccine event
  • B. A voluntary reporting system that health-care providers or consumers may use to report vaccine adverse events
  • C. Utilized to send out safety alerts regarding emerging vaccine safety issues
  • D. Activated when a vaccine has been proven to cause significant adverse effects
Correct Answer: B

Rationale: VAERS is a voluntary system for reporting vaccine ADRs by providers or consumers, not mandatory or alert-only .

Which of the following would the nurse identify as a factor that alters drug response in children and infants? (Select one that does not apply.)

  • A. Slower gastric emptying
  • B. Greater surface area
  • C. Less protein binding
  • D. Decreased body water content
Correct Answer: D

Rationale: Children and infants are not small adults; therefore, they have altered pharmacokinetics. Factors that alter pharmacokinetics in children include slower gastric emptying, less cutaneous fat, greater surface area, increased body water content, less protein binding, and immature hepatic and renal function.

You are assigned to infuse 300 mL of a solution over 2 hours with a drop factor of 15 gtt/mL. What is the flow rate in drops per minute?

  • A. 25 gtt/min
  • B. 37.5 gtt/min
  • C. 45 gtt/min
  • D. 75 gtt/min
Correct Answer: B

Rationale: Flow rate = (300 mL 15 gtt/mL) ÷ (2 60) = 4,500 ÷ 120 = 37.5 gtt/min, exactly matching option B.

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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