Nokea
Which legislation authorizes the FDA to determine the safety of a drug before its marketing?
- A. Federal Food, Drug, and Cosmetic Act (1938)
- B. Durham Humphrey Amendment (1952)
- C. Controlled Substances Act (1970)
- D. Kefauver Harris Drug Amendment (1962)
Correct Answer: A
Rationale: The Federal Food, Drug, and Cosmetic Act of 1938 authorized the FDA to determine the safety of all drugs before marketing. Later amendments and acts helped tighten FDA control and ensure drug safety.
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The anthelminthic whose dose is 400 gms stat for most worm infestation:
- A. Piperazine
- B. Mebendazole
- C. Albendazole
- D. Levamisole
Correct Answer: C
Rationale: Albendazole is commonly prescribed as a single 400 mg dose (stat) for most intestinal worm infestations, such as ascariasis and hookworm, due to its broad-spectrum efficacy.
When taking a medication history on a patient why should the nurse ask about the use of alternative therapies?
- A. Patients who use new drugs are usually not compliant with medical regimens.
- B. Many drug-alternative therapy interactions can cause serious problems and should be avoided.
- C. Natural products may be more effective and the drug may not be needed.
- D. The cost of the drug and the alternative therapy may be too great for the patient to handle.
Correct Answer: B
Rationale: Alternative therapies can interact with prescribed drugs, potentially causing adverse effects, making this a critical assessment point.
An order is written for oxazepam for a 6-year-old child. The nurse notices that there is no established dosage for children 6 to 12 years of age. Knowing that the usual adult dose is 10 mg t.i.d., what would the nurse calculate the appropriate dose to be?
- A. 0.03 mg t.i.d.
- B. 0.3 mg t.i.d.
- C. 1.8 mg t.i.d.
- D. 3.3 mg t.i.d.
Correct Answer: D
Rationale: Because the nurse only knows the child's age, the nurse would need to use Young's Rule to determine the appropriate dosage. Use the formula, child's dose equals the age of the child in years divided by the child's age plus 12 times the average adult dose to calculate the answer. Dose = (6/[6+12]) 10 mg (6/18 = 0.33 10 = 3.3).
Combined alpha-beta antagonists are used to reduce the progression of heart failure because they:
- A. Vasodilate the peripheral vasculature
- B. Decrease cardiac output
- C. Increase renal vascular resistance
- D. Reduce atherosclerosis secondary to elevated serum lipoproteins
Correct Answer: A
Rationale: Alpha-beta blockers (e.g., carvedilol) vasodilate, reducing afterload in heart failure.
A patient arrives at the health care clinic and informs the nurse that he has consumed several aspirin tablets for a severe headache over the past 24 hours. The nurse would be alert for which of the following as a harmful effect?
- A. Gastrointestinal bleeding
- B. Breathing difficulties
- C. Visual disturbances
- D. Loss of balance
Correct Answer: A
Rationale: Aspirin is potentially harmful and can cause gastrointestinal bleeding and salicylism. Breathing difficulties, visual disturbances, and loss of balance could be due to an illness or the effects of some other drug.