The client inquires what the positive result from the potassium hydroxide (KOH) test indicates. Which of the following is an accurate response by the nurse?
You have a virus.
You have a fungal infection.
You have a bacterial infection.
You have cancer.
The Correct Answer is B
Choice A Reason: A virus is not detected by the KOH test, which is used to diagnose fungal infections of the skin, hair, or nails. A virus can be detected by other tests, such as polymerase chain reaction (PCR) or viral culture.
Choice B Reason: A fungal infection is detected by the KOH test, which dissolves the skin cells and leaves behind the fungal elements that can be seen under a microscope. A fungal infection can cause symptoms such as itching, scaling, redness, or blisters.
Choice C Reason: A bacterial infection is not detected by the KOH test, which is specific for fungi. A bacterial infection can be detected by other tests, such as gram stain or culture.
Choice D Reason: Cancer is not detected by the KOH test, which is not a screening tool for malignancy. Cancer can be detected by other tests, such as biopsy or imaging.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["D","E"]
Explanation
Choice A Reason: This choice is incorrect. Placing the client into a supine position is not an action that the nurse should take, as it can compromise the airway and increase the risk of aspiration. The nurse should position the client on their side with their head tilted slightly forward to allow saliva and secretions to drain out of their mouth.
Choice B Reason: This choice is incorrect. Applying restraints is not an action that the nurse should take, as it can cause injury and increase agitation. The nurse should protect the client from harm by removing any objects or furniture that may cause harm and padding any hard surfaces with blankets or pillows.
Choice C Reason: This choice is incorrect. Inserting a bite stick into the client's mouth is not an action that the nurse should take, as it can cause injury and obstruction. The nurse should never force anything into the client's mouth during a seizure, as it can damage their teeth, gums, tongue, or jaw.
Choice D Reason: This is a correct choice. Loosening restrictive clothing is an action that the nurse should take, as it can improve breathing and circulation. The nurse should unbutton any tight collars, belts, or ties that may constrict the chest or neck.
Choice E Reason: This is a correct choice. Placing a pillow under the client's head is an action that the nurse should take, as it can prevent injury and provide comfort. The nurse should support the client's head with a soft pillow or cushion to prevent hitting it against any hard surfaces.

Correct Answer is A
Explanation
Choice A reason: This is the correct answer because right-sided homonymous hemianopsia means that the client has lost vision in the right half of both eyes, so placing food trays on the left side of the client will help them see and access their food better.
Choice B reason: This is incorrect because placing food trays on the right side of the client will make it harder for them to see and reach their food, as they have no vision on that side.
Choice C reason: This is incorrect because performing a focused visual exam is not an appropriate action for the nurse to take during meal time. The nurse should assess the client's vision before or after meals, but not interfere with their eating.
Choice D reason: This is incorrect because having the assistive personnel feed all meals to the client will decrease their independence and dignity, as well as their ability to practice using their unaffected side. The nurse should encourage and assist the client to feed themselves as much as possible, and only provide assistance when needed.
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