Nokea
Antiemitic used to prevent aspiration in emergency surgery
- A. Ondansetrone
- B. Promethazine
- C. Metoclopromide
- D. Ranitidine
Correct Answer: B
Rationale: Promethazine (antihistamine) prevents aspiration with sedative effects.
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A nurse in an acute care facility is caring for a client who is receiving IV Nitroprusside for hypertensive crisis. The nurse should monitor the client for which of the following adverse reactions to this medication?
- A. Intestinal ileus
- B. Neutropenia
- C. Deurium
- D. Hyperthermia
Correct Answer: C
Rationale: Nitroprusside can cause delirium (C, likely typo for delirium), a CNS side effect in toxicity.
Frusemide is:
- A. A loop diuretic
- B. Osmotic diuretic
- C. Aldosterone antagonist
- D. A carbonic anhydrase inhibitor
Correct Answer: A
Rationale: Furosemide (Frusemide) is a loop diuretic that inhibits sodium and chloride reabsorption in the loop of Henle, leading to increased urine output.
The nurse is assessing a client with diabetes who reports several hypoglycemic episodes during the past 3 weeks. What assessment question best addresses a potential causative factor?
- A. Do you ever take St. John's wort?'
- B. Have you used any recreational drugs in the past few weeks?'
Correct Answer: A
Rationale: St. John's wort can affect glucose metabolism and drug interactions, potentially causing hypoglycemia in diabetics.
What is the correct statement concerning noncompetitive antagonism:
- A. The potency of the drug does not change
- B. the number of receptors able to bind the agonist is affected
- C. by increasing the conc. of the agonist, we cannot overcome the problem
- D. non of the above is wrong
Correct Answer: D
Rationale: All statements are correct: noncompetitive antagonism reduces efficacy (not potency), affects receptor availability, and cannot be overcome by increasing agonist concentration.
The nurse is caring for a patient who is being treated for chronic alcohol intoxication. The nurse notes that the patient's serum alcohol level is 0.40 mg%. The patient is awake and talkative even though this is a potentially lethal dose. The nurse recognizes this as alcohol
- A. addiction
- B. dependence
- C. misuse
- D. tolerance
Correct Answer: D
Rationale: Tolerance allows functioning at high alcohol levels; addiction or dependence don't explain this alone. This person has developed tolerance to alcohol and is able to have a potentially lethal amount without severe effects.