Nursing Elites

1. A young adult asks the nurse about the normal cholesterol level. The nurse tells the client that the total cholesterol level should be maintained at less than:

• A. 140 mg/dL
• B. 200 mg/dL
• C. 250 mg/dL
• D. 300 mg/dL

Correct answer: B

Rationale: The correct answer is B: 200 mg/dL. A normal cholesterol value ranges between 140 and 199 mg/dL. Total cholesterol levels should ideally be maintained at 200 mg/dL or less to reduce the risk of cardiovascular diseases. Choices A, C, and D are incorrect as they exceed the recommended normal range for total cholesterol levels and may increase the risk of developing heart-related issues.

2. In a patient with type 1 diabetes, which of the following is a sign of diabetic ketoacidosis (DKA)?

• A. Polyuria
• B. Bradycardia
• C. Dry skin
• D. Tachycardia

Correct answer: D

Rationale: Tachycardia is a sign of diabetic ketoacidosis (DKA) in a patient with type 1 diabetes. In DKA, the body responds to hyperglycemia and dehydration by increasing heart rate. Polyuria (increased urination) is a symptom of diabetes but not specific to DKA. Bradycardia (slow heart rate) and dry skin are not typical signs of DKA; instead, tachycardia and other signs of volume depletion are more common.

3. The patient is receiving a high dose of tetracycline (Sumycin). Which laboratory values should the nurse monitor while caring for this patient?

• A. Blood urea nitrogen (BUN) and creatinine levels
• B. Complete blood counts
• C. Electrolytes
• D. Liver enzyme levels

Correct answer: A

Rationale: High doses of tetracyclines can lead to nephrotoxicity, especially when given along with other nephrotoxic drugs. Renal function tests, such as monitoring blood urea nitrogen (BUN) and creatinine levels, should be performed to assess for nephrotoxicity. Monitoring complete blood counts (choice B) is not directly related to tetracycline therapy. Checking electrolytes (choice C) is important but not the priority when monitoring for tetracycline-induced nephrotoxicity. Monitoring liver enzyme levels (choice D) is not typically indicated in the context of tetracycline therapy.

4. Which of the following is a common cause of acute kidney injury?

• A. Hypertension
• B. Dehydration
• C. Infection
• D. Hypotension

Correct answer: C

Rationale: Infection is a common cause of acute kidney injury because when the body fights an infection, it activates the immune response, leading to inflammation. This inflammatory response can affect the kidneys and impair their function. While hypertension (choice A) is a risk factor for chronic kidney disease, it is not a direct cause of acute kidney injury. Dehydration (choice B) can lead to prerenal acute kidney injury due to decreased blood flow to the kidneys, but infection is a more common cause of acute kidney injury. Hypotension (choice D) can contribute to prerenal acute kidney injury, but it is not a direct cause like infection.

5. A healthcare professional assesses clients on the medical-surgical unit. Which client is at greatest risk for the development of bacterial cystitis?

• A. A 36-year-old female who has never been pregnant
• B. A 42-year-old male who is prescribed cyclophosphamide
• C. A 58-year-old female who is not taking estrogen replacement
• D. A 77-year-old male with mild congestive heart failure

Correct answer: C

Rationale: Females are at higher risk of developing bacterial cystitis due to their shorter urethra compared to males. Postmenopausal women not on estrogen replacement therapy are particularly susceptible to cystitis because of changes in vaginal and urethral cells. This increases the risk of bacterial infection. The other options do not have the same level of risk as the postmenopausal woman not using hormone replacement therapy. A never-pregnant middle-aged woman does not have the same increased risk as a postmenopausal woman with hormonal changes.

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