Nokea
When using the nursing process in medication therapy, what does it ensure?
- A. That medications are given at the right time
- B. That there is efficient and effective care
- C. That the right dose of the drug is given to the patient
- D. The right drug is given to the right patient at the right time
Correct Answer: B
Rationale: The nursing process ensures efficient and effective care by systematically addressing all aspects of medication therapy.
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Which one of the following is a fundamental difference between competitive and noncompetitive antagonist?
- A. Competitive and non competitive work on different receptors
- B. Competitive antagonist reduces agonist potency (increase EC50) and non competitive antagonist reduces agonist efficacy (decrease E max)
- C. There is no difference between them, they are exactly the same
- D. Non competitive antagonist causes an upward shift of the E max while competitive antagonist does the opposite
Correct Answer: B
Rationale: Competitive antagonists shift potency (EC50), while noncompetitive reduce efficacy (Emax), a key pharmacological distinction.
A nurse is assessing the patient's home medication use. After listening to the patient list current medications, the nurse asks what priority question?
- A. Do you take any generic medications?
- B. Are any of these medications orphan drugs?
- C. Are these medications safe to take during pregnancy?
- D. Do you take any over-the-counter medications?
Correct Answer: D
Rationale: It is important for the nurse to specifically question use of over-the-counter medications because patients may not consider them important. The patient is unlikely to know the meaning of orphan drugs unless they too are health care providers. Safety during pregnancy, use of a generic medication, or classification of orphan drugs are things the patient would be unable to answer but could be found in reference books if the nurse wishes to research them.
The following cholinesterase inhibitor is used in anaesthesia:
- A. Neostigmine
- B. Physostigmine
- C. Endrophonium
- D. Donepezil
Correct Answer: A
Rationale: Neostigmine reverses non-depolarizing neuromuscular blockers in anesthesia.
The nurse is teaching a patient who will be discharged home with naltrexone (ReVia) after treatment for opioid addiction. What information will the nurse include in the teaching for this patient?
- A. This drug will help control cravings
- B. You may take this drug once weekly
- C. ReVia blocks the pleasurable effects of opioids
- D. If you discontinue this drug abruptly, you will have withdrawal symptoms
Correct Answer: C
Rationale: Naltrexone blocks opioid euphoria; it doesn't reduce cravings or cause withdrawal on stop . ReVia acts by blocking the pleasurable effects of opioids.
The mean weight of 500 college students is 70 kg and the standard deviation is 3 kg. Assuming that the weight is normally distributed, determine how many students weigh between 60 kg and 75 kg.
- A. 450
- B. 476
- C. 480
- D. 490
Correct Answer: B
Rationale: Convert to z-scores: (60-70)/3 = -3.33, (75-70)/3 = 1.67. P(-3.33 < Z ≤ 1.67) = P(Z ≤ 1.67) - P(Z ≤ -3.33) = 0.9525 - (1 - 0.9996) = 0.9521. Then, 0.9521 * 500 ≈ 476, as per the document.