Nokea
Which pathogen is associated with common urinary tract infections?
- A. E. coli
- B. Klebsiella
- C. Streptococcus
- D. Proteus mirabilis
Correct Answer: A
Rationale: E. coli is the most common pathogen responsible for urinary tract infections.
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A common cause of decreased libido in men is due to:
- A. Decreased blood flow in the hypogastric arterial system
- B. Endocrine dysfunction
- C. Neurologic deficit
- D. Impaired neural innervation
Correct Answer: B
Rationale: Endocrine dysfunction, particularly low testosterone, is a common cause of decreased libido in men.
Which immunization reduces a patient’s risk for infection with the virus that causes painful localized blistering rash?
- A. Smallpox vaccine
- B. Varicella vaccine (chicken pox)
- C. Shingles (herpes zoster) vaccine
- D. Meningococcal vaccine
Correct Answer: C
Rationale: Shingles vaccine reduces the risk of herpes zoster, which causes painful rash.
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.
A 67-year-old woman with a history of A-fib and an ejection fraction of 48% has had normal digoxin levels. Which can cause a decrease in digoxin level?
- A. Decrease creatinine clearance
- B. Weight loss
- C. Increase exercise
- D. Regular use of antacid
Correct Answer: D
Rationale: Regular use of antacids can decrease the absorption of digoxin, potentially lowering its levels.
During a physical examination, a patient presents with swollen lymph nodes. How should you adjust your palpation technique based on the findings?
- A. Increase the pressure to assess for tenderness
- B. Use a firmer grip to ensure you can feel the nodes
- C. Continue using soft finger pads but apply a more vigorous motion
- D. Maintain the light circular motion but focus on the areas of swelling
Correct Answer: A
Rationale: Increased pressure helps assess tenderness and the degree of swelling or possible infection in swollen lymph nodes.