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 A
Explanation
Choice A Reason: Sweating and pallor are early signs and symptoms of dumping syndrome, which is a condition where food moves too quickly from the stomach to the small intestine, causing rapid fluid shifts and hormonal changes. Sweating and pallor are caused by hypoglycemia, which occurs when the high concentration of food in the small intestine stimulates insulin secretion.
Choice B Reason: Abdominal cramping and pain are late signs and symptoms of dumping syndrome, which occur about one to three hours after eating. Abdominal cramping and pain are caused by intestinal distension, spasms, and gas formation.
Choice C Reason: Double vision and chest pain are not signs and symptoms of dumping syndrome, but may indicate other serious conditions, such as stroke or heart attack. Double vision and chest pain should be reported to the provider immediately.
Choice D Reason: Bradycardia and indigestion are not signs and symptoms of dumping syndrome, but may be related to other gastrointestinal disorders, such as gastritis or peptic ulcer disease. Bradycardia and indigestion should be evaluated by the provider for further diagnosis and treatment.

Correct Answer is A
Explanation
Choice A Reason: This is correct because first degree burns are superficial burns that affect only the outer layer of the skin, called the epidermis. First degree burns cause redness, pain, and mild swelling, but no blisters or scarring. They usually heal within a week.
Choice B Reason: This is incorrect because second degree burns are partial thickness burns that affect both the epidermis and the underlying layer of the skin, called the dermis. Second degree burns cause blisters, severe pain, and possible infection. They may take several weeks to heal and may leave scars.
Choice C Reason: This is incorrect because third degree burns are full thickness burns that destroy all layers of the skin and may damage the underlying tissues, such as muscles, nerves, or bones. Third degree burns cause charred or white skin, numbness, and shock. They require skin grafting and may cause permanent disability or death.
Choice D Reason: This is incorrect because this burn can be classified according to the depth and extent of the skin damage. The classification of burns helps to determine the appropriate treatment and prognosis for the client.
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