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When interpreting a complete blood count (CBC) lab report, which of the following results describes the size of the RBCs?
- A. Hemoglobin
- B. Mean corpuscular volume (MCV)
- C. Red cell distribution width (RDW)
- D. Hematocrit
Correct Answer: B
Rationale: MCV measures the average size of red blood cells.
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A nurse practitioner examines the skin of an elderly patient. Which finding below is NOT a benign lesion associated with the aging process?
- A. Xerosis
- B. Cherry angiomas and senile purpura
- C. Senile keratosis and senile lentigines
- D. Dermatophytosis
Correct Answer: D
Rationale: Dermatophytosis is a fungal infection and is not a normal aging change.
A component of the mental health assessment includes:
- A. Sense of self-worth
- B. Global assessment of functioning
- C. Intelligence quotient level
- D. History of suicide attempts
Correct Answer: B
Rationale: The global assessment of functioning (GAF) evaluates overall mental health status and functioning.
A nurse is working with an older adult who is at risk for malnutrition. Which of the following interventions is the most appropriate?
- A. Administer high-calorie supplements.
- B. Encourage intake of a variety of foods rich in vitamins and minerals.
- C. Restrict caloric intake to prevent weight gain.
- D. Focus on protein supplements exclusively.
Correct Answer: B
Rationale: A balanced diet with a variety of foods helps ensure adequate nutrition, including vitamins and minerals, in older adults.
Headache warning signs that need prompt investigation include all of the following except:
- A. New onset after 50
- B. Aggravated or relieved by change of position
- C. Precipitated by Valsalva maneuver
- D. Headaches relieved with mild recurrent use of analgesics
Correct Answer: D
Rationale: Headaches relieved with mild, infrequent analgesic use typically don’t require urgent investigation.
Snellen chart evaluation indicated that the patient vision is 20/30. What is the proper description of this result?
- A. At 20 feet, this patient can see what a person with normal vision can see at 30 feet
- B. At 30 feet, this patient can see what a person with normal vision can see at 20 feet
- C. At 20 feet, this patient can see what few people can see at 30 feet
- D. This patient has sight abilities that are worse than a patient with 20/40 vision
Correct Answer: A
Rationale: 20/30 means that at 20 feet, the patient can see what someone with normal vision sees at 30 feet.