Nursing Elites

1. Each statement regarding the correlation between vitamin D and sun exposure is accurate, except one. Which is the exception?

• A. The body can produce sufficient amounts of vitamin D from sunlight.
• B. UV radiation can convert a precursor of vitamin D to vitamin D3 by penetrating uncovered skin.
• C. Sunscreen blocks the formation of vitamin D3.
• D. By the age of 70 years, the skin generally produces vitamin D at only half the level it did at the age of 20 years.

Correct answer: C

Rationale: While UV radiation can penetrate uncovered skin and convert a precursor of vitamin D to vitamin D3, sunscreen does block the formation of vitamin D3. Sunscreen is recommended by dermatologists to prevent sunburn and reduce the risk of skin cancer. The other choices are correct: the body can produce sufficient vitamin D from sunlight, UV radiation can convert a precursor of vitamin D to vitamin D3, and skin generally produces less vitamin D as a person ages.

2. Water loss can occur from each, except one. Which is the exception?

• A. Respiratory inflammation
• B. Strenuous exercise
• C. Diarrhea
• D. Perspiration

Correct answer: D

Rationale: The correct answer is D, Perspiration. Water loss can occur through respiration inflammation, strenuous exercise, and diarrhea. Perspiration, also known as sweating, is a mechanism by which the body regulates temperature and eliminates some waste products, but it is not a cause of water loss. The body loses water through sweating, but this loss is mainly for cooling purposes, and it is not a primary mechanism for water loss like respiration, exercise, or diarrhea.

3. In which type of shock does the patient experience a mismatch of blood flow to the cells?

• A. Distributive
• B. Cardiogenic
• C. Hypovolemic
• D. Septic

Correct answer: A

Rationale: The correct answer is A: Distributive shock. Distributive shock is characterized by a widespread increase in vascular permeability leading to a relative hypovolemia and a mismatch of blood flow to the cells. Choice B, Cardiogenic shock, is due to the heart's inability to pump effectively. Choice C, Hypovolemic shock, results from a decrease in intravascular volume. Choice D, Septic shock, is caused by a systemic response to infection.

4. Which medical condition is characterized by symptoms such as oral candidiasis, hairy leukoplakia, herpetic ulcerations, Kaposi's sarcoma, xerostomia, and severe periodontal disease?

• A. Acquired Immunodeficiency Syndrome (AIDS)
• B. Acute Leukemia
• C. Anorexia Nervosa
• D. Bulimia

Correct answer: A

Rationale: Acquired Immunodeficiency Syndrome (AIDS) is known for a variety of oral manifestations such as oral candidiasis, hairy leukoplakia, herpetic ulcerations, Kaposi's sarcoma, xerostomia, and severe periodontal disease. These symptoms are not typically associated with acute leukemia, anorexia nervosa, or bulimia. Acute leukemia usually presents with symptoms like fatigue, frequent infections, and easy bruising. Anorexia nervosa and bulimia are eating disorders, thus their primary symptoms are primarily associated with eating habits and body weight, not oral health.

5. A client with nephropathy secondary to diabetes mellitus is receiving dietary teaching from a nurse and plans to make dietary adjustments. Which of the following instructions should the nurse include?

• A. Consume less than 45% of total calories from carbohydrates per day.
• B. Eat no more than 300 mg of cholesterol per day.
• C. Consume less than 0.8 g/kg of body weight of protein per day.
• D. Eat at least 45 g of fiber per day.

Correct answer: D

Rationale: For a client with nephropathy secondary to diabetes mellitus, increasing fiber intake is essential as it can help manage blood sugar levels and improve overall bowel health. Choice A is incorrect because carbohydrates should be controlled but not limited to less than 45% of total calories. Choice B is incorrect as the recommended daily cholesterol intake for individuals with diabetes is less than 200 mg. Choice C is incorrect as protein intake should be individualized based on the client's condition and should not be limited to less than 0.8 g/kg of body weight per day.

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