Correct Answer: D

Rationale: A CT scan is most likely to be performed in this scenario. A CT scan would be done to further investigate the cause of the left hemiparesis. Noncontrast CT scanning is commonly used in the acute evaluation of patients with suspected acute stroke to assess for ischemic changes or hemorrhage in the brain. While a CBC may provide information on blood cell counts and general health status, it is not the primary test for evaluating hemiparesis. An ECG is used to assess heart function and rhythm, which is not the main concern in this case. Thyroid function tests evaluate thyroid hormone levels and are not typically the initial tests for evaluating hemiparesis and confusion.

Correct Answer: C

Rationale: The most likely test to be performed first in this scenario is blood cultures. Blood cultures are crucial to investigate the fever and rash symptoms in an unconscious patient. This test is used to detect foreign invaders like bacteria, yeast, and other microorganisms in the blood, which could indicate a blood infection (bacteremia). A positive blood culture result confirms the presence of bacteria in the blood. A blood sugar check (choice A) may be important but is less likely to be the first test in this context. A CT scan (choice B) and arterial blood gases (choice D) are generally not the initial tests performed to investigate a fever and rash with altered mental status.

Correct Answer: B

Rationale: The correct pediatric dose of diphenhydramine is 5 mg/kg/day. This child weighs 30 kg, so the calculated dose would be 5 mg/kg x 30 kg = 150 mg/day. Since the prescription is for 25 mg 3 times a day, the total daily dose is 25 mg x 3 = 75 mg/day, which is lower than the calculated dose of 150 mg/day. Therefore, the prescribed dose of 25 mg 3 times a day is too low for this child. The dose should be adjusted to meet the correct dosage of 150 mg/day, which would be 50 mg 3 times a day. It is important not to titrate the dosage based on symptoms without consulting a physician, as this can lead to inappropriate medication administration.

Correct Answer: C

Rationale: A client with a new colostomy requires education on proper colostomy care. Waiting 30 minutes after irrigating to replace the colostomy bag is unnecessary. The client may reapply the bag once the skin is dry. Cleaning the skin around the ostomy site with soap and water, irrigating the stoma regularly to prevent gas and odor buildup, and changing the bag when it is one-third to one-fourth full are appropriate actions. Therefore, the statement indicating the need for more education is the one suggesting a specific time interval for bag replacement after irrigation.

Correct Answer: D

Rationale: Nitro-Dur patch is not associated with photosensitive reactions. It is used to prevent chest pain or angina, and common side effects include headache, lightheadedness, nausea, and flushing. Choices A, B, and C are known to cause photosensitive reactions. Ciprofloxacin (Cipro), Sulfonamides, and Norfloxacin (Noroxin) are drugs that are commonly associated with photosensitivity reactions. Patients taking these medications should be advised to avoid direct sunlight and use sun protection to prevent skin reactions.