NCLEX-PN
NCLEX Pharmacological and Parenteral Therapies Questions
Extract:
Question 1 of 5
The new nurse describes the action of TCAs as relieving symptoms of depression by inhibiting neuronal uptake of the neurotransmitters serotonin and norepinephrine. Place an X on the labeled site where the new nurse is stating that inhibition takes place.
Correct Answer: B
Rationale: Neuronal uptake of neurotransmitters occurs at the receptor sites on the postsynaptic neuron. [Image-based question; X placed on postsynaptic receptor sites.]
Question 2 of 5
The nurse is developing the plan of care for the 4-year-old client who is taking metronidazole for giardiasis. Which measures should be included in the plan of care? Select all that apply.
Correct Answer: B,C,E
Rationale: A: Metronidazole is not associated with any cardiac changes or adverse events. B: Giardiasis is an infectious diarrheal disease; the plan of care should include assessing for infection. Infection should subside when treated with metronidazole (Flagyl). C: Giardiasis is an infectious diarrheal disease; the plan of care should include reinforcing strict hand washing. D: Metronidazole should be given on an empty stomach. E: Giardiasis is an infectious diarrheal disease; the plan of care should include monitoring the results of stool samples.
Question 3 of 5
The client undergoing detoxification from chronic alcohol abuse is to receive Phenobarbital 120 mg IM and promethazine 50 mg IM. Which explanation by the nurse about using this medication combination is correct?
Correct Answer: B
Rationale: Promethazine (Phenergan) potentiates the CNS depression of phenobarbital, producing a greater sedative effect.
Question 4 of 5
Which of the following medications is a serotonin antagonist that might be used to relieve nausea and vomiting?
Correct Answer: B
Rationale: Zofran is a serotonin antagonist that can be used to relieve nausea and vomiting. The other medications can be used for nausea and vomiting, but they have different mechanisms of action.
Question 5 of 5
The client with CP is taking dantrolene. The nurse evaluates that the medication is effective when noting that the client has an increase in which findings? Select all that apply.
Correct Answer: C,D
Rationale: A: Increased muscle spasticity indicates the medication is not effective. B: Common adverse effects include urinary frequency. C: Dantrolene acts directly on skeletal muscles to inhibit muscle contraction, improving mobility. D: Dantrolene acts directly on skeletal muscles to inhibit muscle contraction, improving the ability to maintain balance. E: Dantrolene does not increase alertness.