Nokea
No physical dependence is seen in:
- A. Dextropropoxyphene
- B. Fortwin
- C. Fluoxetine
- D. Alprax
Correct Answer: C
Rationale: Fluoxetine (SSRI) has no physical dependence; others do.
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A 7-year-old boy fell off a wood pile while playing. He has been admitted to the intensive care unit with multiple broken bones and internal bleeding. What should the nurse know about drug therapy in this type of patient?
- A. Adverse effects may be decreased.
- B. Therapeutic effects may be increased.
- C. Pharmacodynamics may be altered.
- D. Pharmacokinetics remain the same
Correct Answer: C
Rationale: Trauma alters pharmacodynamics (drug effects), requiring careful monitoring.
A nurse is instructing a client who has a new prescription for Timolol how to insert eye drops. The nurse should instruct the client to press on which of the following areas to prevent systemic absorption of the medication?
- A. Bony orbit
- B. Nasolacrimal duct
- C. Conjunctival sac
- D. Outer canthus
Correct Answer: B
Rationale: Pressing the nasolacrimal duct prevents systemic absorption by blocking drainage into the nasal cavity.
Glucocorticoids enhance:
- A. Inhibition of phospholipase A2 in leukocytes with stimulation of annexin synthesis
- B. Decrease of thrombocyte activating factor via inhibition of 5 lipooxigenase
- C. Inhibition of leukotriene synthesis and decrease of lyso-glycerilphosphorilcholine production
- D. inhibition of prostaglandin synthesis via blocking 12 lypooxigenase
Correct Answer: A
Rationale: Glucocorticoids inhibit phospholipase A2, reducing inflammatory mediators by stimulating annexin (lipocortin) synthesis.
Pregnant women should receive the Tdap vaccine:
- A. In the first trimester
- B. Once every 10 years
- C. In the third trimester of every pregnancy
- D. Tdap is contraindicated in pregnancy
Correct Answer: C
Rationale: Tdap in the third trimester protects newborns from pertussis; it's not contraindicated or trimester-specific otherwise.
The following drug may be used in the management of acromegaly:
- A. Leuprolide
- B. Octreotide
- C. Cosyntropin
- D. Desmopressin
Correct Answer: B
Rationale: Octreotide, a somatostatin analog, inhibits growth hormone in acromegaly.