Nokea
Ipratropium bromide is
- A. Bronchoselective anticholinergic
- B. Used as mydriatic
- C. A selective MI anticholinergic useful in peptic ulcer
- D. An antiparkinsonism drug
Correct Answer: A
Rationale: Ipratropium is a bronchoselective anticholinergic used in COPD/asthma.
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Samantha is taking lamotrigine (Lamictal) for her seizures and requests a prescription for combined oral contraceptives (COCs), which interact with lamotrigine and may cause:
- A. Contraceptive failure
- B. Excessive weight gain
- C. Reduced lamotrigine levels, requiring doubling the dose of lamotrigine
- D. Induction of estrogen metabolism, requiring higher estrogen content OCs be prescribed
Correct Answer: C
Rationale: COCs induce lamotrigine metabolism, lowering its levels and requiring dose adjustment.
A nurse is administering a Dopamine infusion at a low dose to a client who has severe heart failure. Which of the following findings is an expected effect of this medication?
- A. Lowered heart rate
- B. Increased myocardial contractility
- C. Decreased conduction through the AV node
- D. Vasoconstriction of renal blood vessel
Correct Answer: B
Rationale: Low-dose dopamine increases contractility via beta-adrenergic effects, improving cardiac output.
Chlorpromazine can block following receptors EXCEPT:
- A. Dopamine
- B. Beta adrenergic
- C. Alpha adrenergic
- D. Muscarinic
Correct Answer: B
Rationale: Chlorpromazine, a typical antipsychotic, blocks dopamine, alpha-adrenergic, and muscarinic receptors but has minimal effect on beta-adrenergic receptors, which are not its primary target.
Which of the following statements about NSAIDs is false?
- A. NSAIDs are not recommended during pregnancy
- B. NSAIDs increase renal blood flow
- C. NSAIDs reduce the therapeutic effect of SSRIs
- D. NSAIDs have a hypocoagulability effect
Correct Answer: B
Rationale: NSAIDs decrease renal blood flow by inhibiting prostaglandins, making this statement false.
The nurse applies the nursing process in medication therapy to ensure what?
- A. That medications are given at the right time
- B. That care is efficient and effective
- C. That the right dose of the drug is given to the patient
- D. That the right drug is given to the right patient at the right time
Correct Answer: B
Rationale: The nursing process ensures efficient, effective care, encompassing all aspects of safe administration.