Nokea
If an agonist can produce maximal effects and has high efficacy it's called:
- A. Partial agonist
- B. Antagonist
- C. Agonist-antagonist
- D. Full agonist
Correct Answer: D
Rationale: A full agonist achieves maximal receptor activation and effect.
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A nurse is monitoring a client who takes aspirin 81 mg PO daily. The nurse should identify which of the following manifestations as adverse effects of daily aspirin therapy? (Select one that does not apply.)
- A. Hypertension
- B. Coffee-ground emesis
- C. Tinnitus
- D. Nausea
Correct Answer: A
Rationale: Aspirin can cause GI bleeding , tinnitus , and nausea ; 'possessias' is likely a typo.
Which statement best describes drug efficacy/toxicity in pediatric patients?
- A. Drug requirements for infants have been extensively studied.
- B. Drug dosage is altered by age and weight in children.
- C. Children always need smaller doses of medication than adults.
- D. Infants and children are not at risk for drug toxicity if the dosage is correct
Correct Answer: B
Rationale: Pediatric dosing adjusts for age and weight due to varying metabolism and body composition.
A client has an order to receive 10 units of intermediate-acting insulin at bedtime via subcutaneous injection. The nurse would expect to administer the injection at which site? Select one that does not apply.
- A. Upper arm
- B. Inner forearm
- C. Upper abdomen
- D. Upper thigh
Correct Answer: B
Rationale: The sites for subcutaneous injection are the upper arms, the upper abdomen, and the upper thighs.
Alpha-beta blockers are especially effective to treat hypertension for which ethnic group?
- A. White
- B. Asian
- C. African American
- D. Native American
Correct Answer: C
Rationale: Alpha-beta blockers are particularly effective in African Americans due to their dual mechanism.
Which medication route provides the most rapid onset of a medication, but also poses the greatest risk of adverse effects?
- A. Intradermal
- B. Subcutaneous (subcut)
- C. Intramuscular (IM)
- D. Intravenous (IV)
Correct Answer: D
Rationale: IV medications are delivered directly into the bloodstream and avoid the first pass effect of the liver. Intradermal, subcut, and IM administration have a slower absorption rate.