Nokea
Cynthia is taking valproate (Depakote) for seizures and would like to get pregnant. What advice would you give her?
- A. Valproate is safe during all trimesters of pregnancy.
- B. She can get pregnant while taking valproate, but she should take adequate folic acid.
- C. Valproate is not safe at any time during pregnancy.
- D. Valproate is a known teratogen, but may be taken after the first trimester if necessary.
Correct Answer: D
Rationale: Valproate is teratogenic (e.g., neural tube defects) but may be used post-first trimester if essential.
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Inhibition of P-glycoprotein by a drug such as quinidine may lead to:
- A. Decreased therapeutic levels of quinidine
- B. Increased therapeutic levels of quinidine
- C. Decreased levels of a coadministered drug, such as digoxin, that requires P-glycoprotein for absorption and elimination
- D. Increased levels of a coadministered drug, such as digoxin, that requires P-glycoprotein for absorption and elimination
Correct Answer: D
Rationale: Quinidine inhibits P-glycoprotein, increasing levels of drugs like digoxin by reducing efflux, not affecting quinidine itself or lowering digoxin .
What aspect of pharmacology does a nurse study? (Select one that does not apply.)
- A. Adverse and anticipated drug effects
- B. Molecular pharmacology
- C. Impact of drugs on the body
- D. The body's response to a drug
Correct Answer: B
Rationale: Nurses study pharmacology from a pharmacotherapeutic level, which includes the effect of drugs on the body, the body's response to drugs, and both expected and unexpected drug effects. Chemical and molecular pharmacology (Options A and B) are not included in nursing pharmacology courses.
Which of the following produced by the pancreatic beta cells:
- A. Insulin
- B. Gastrin
- C. Somatostatin
- D. Glucagon
Correct Answer: A
Rationale: Insulin is secreted by pancreatic beta cells to lower blood glucose.
Which of the following beta-blockers has intrinsic sympathomimetic activity (ISA)?
- A. Bisoprolol
- B. Timolol
- C. Pindolol
- D. Propanolol
Correct Answer: C
Rationale: Pindolol has ISA, partially stimulating beta receptors while blocking them, reducing bradycardia risk.
A nurse is preparing to administer a prescribed drug by the oral route. Which of the following would be most important for the nurse to do? Select one that does not apply.
- A. Making sure the client is in an upright position prior to administration
- B. Ensuring that a full glass of water is readily available
- C. Encourage patient to take a few sips of water before placing the medicine in the mouth
- D. Instructing the client to tilt his or her head back to swallow a capsule
Correct Answer: D
Rationale: Clients should always be in an upright position when receiving oral drugs and a glass of water should be readily available. They should be encouraged to take a few sips of water before placing the tablet or capsule in the mouth. Drugs should never be left at the client's bedside. Instruct clients to tilt their head back to swallow a tablet and slightly forward to swallow a capsule.