NCLEX-PN
Respiratory System NCLEX Questions Questions
Extract:
Question 1 of 5
An adult is being treated with isoniazid (INH) and streptomycin for active tuberculosis. Which of the following symptoms would suggest a toxic effect of INH?
Correct Answer: C
Rationale: Peripheral neuritis is a known toxic effect of isoniazid due to its interference with vitamin B6 metabolism.
Question 2 of 5
Which clinical manifestation indicates to the nurse the child has cystic fibrosis?
Correct Answer: B
Rationale: Excessive salty sweat (
B) is a hallmark of cystic fibrosis due to defective chloride transport, detectable via sweat chloride testing. Wheezing/cough (
A) is non-specific. Vitamin deficiencies (
C) and clubbing (
D) occur later but are not diagnostic.
Question 3 of 5
Your patient with asthma is taking Theophylline. Which product below should the patient avoid consuming?
Correct Answer: A
Rationale: Caffeine can increase theophylline levels, leading to toxicity, as both are xanthine derivatives.
Question 4 of 5
A patient taking Isoniazid (INH) should be monitored for what deficiency?
Correct Answer: C
Rationale: Isoniazid can cause peripheral neuropathy due to vitamin B6 (pyridoxine) deficiency. Patients are often given B6 supplements and monitored for this deficiency.
Question 5 of 5
If the client has sinusitis in the maxillary sinuses, where will the client most likely report feeling pain?
Correct Answer: B
Rationale: The maxillary sinuses are located in the cheek area, so pain from maxillary sinusitis is typically felt in the cheeks.