Nokea
Which of the following NSAIDs is a selective COX-2 inhibitor?
- A. Indomethacin
- B. Meloxicam
- C. Etoricoxib
- D. Mefenamic acid
Correct Answer: C
Rationale: Etoricoxib is a highly selective COX-2 inhibitor, reducing GI side effects compared to non-selective NSAIDs.
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Secobarbital and ethanol when given together show:
- A. Additive sedative action
- B. Reduced sedative action
- C. Competitive antagonism
- D. Chemical antagonism
Correct Answer: A
Rationale: Both secobarbital (barbiturate) and ethanol are CNS depressants, resulting in additive sedation.
A nurse is caring for a client after thyroidectomy and notes that calcium gluconate is prescribed for the client. The nurse determines that this medication has been prescribed to:
- A. Treat thyroid storm.
- B. Prevent cardiac irritability.
- C. Treat hypocalcemic tetany.
- D. Stimulate the release of parathyroid hormone.
Correct Answer: C
Rationale: Hypocalcemia can develop after thyroidectomy if the parathyroid glands are accidentally removed or injured during surgery. Manifestations develop 1 to 7 days after surgery. If the client develops numbness and tingling around the mouth, fingertips, or toes or muscle spasms or twitching, the health care provider is notified immediately. Calcium gluconate should be kept at the bedside.
A nurse in a provider's office is instructing a parent of a toddler how to administer ear drops. Which of the following instructions should the nurse include? (Select one that does not apply.)
- A. Place the child on his unaffected side when you are ready to administer the medication.
- B. Warm the medication by gently rolling it between your hands for a few minutes.
- C. Gently shake medication that is in suspension form.
- D. Keep the child on his side for 5 minutes after institution of the ear drops.
Correct Answer: C
Rationale: Side position , warming , and keeping on side ensure proper administration and absorption.
The nurse admits a patient to the unit and learns the patient has recently been diagnosed with chronic renal failure but has not informed the primary care provider of this diagnosis. What is the nurse's first priority?
- A. Administer medications ordered immediately.
- B. Maintain the patient's confidentiality.
- C. Call the admitting physician immediately.
- D. Provide teaching about chronic renal failure
Correct Answer: C
Rationale: Renal failure affects drug clearance; informing the physician ensures safe therapy adjustments.
Drugs which increase GABA levels in brain
- A. Diazepam
- B. Phenobarbitone
- C. Sodium valproate
- D. Carbamazepine
Correct Answer: C
Rationale: Sodium valproate increases GABA levels.