Nokea
Which is the most reasonable first step in the treatment of older men with erectile dysfunction?
- A. Sex therapy
- B. Testosterone
- C. Yohimbine
- D. Sildenafil
Correct Answer: B
Rationale: Testosterone therapy should be considered first if a deficiency is identified, as low testosterone can contribute to erectile dysfunction.
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Ophthalmoscopic examination of a 40-year-old carpenter reveals a triangular thickening of the bulbar conjunctiva across the outer surface of the cornea. This condition is termed:
- A. Corneal arcus
- B. Corneal scar
- C. Pterygium
- D. Cataract
Correct Answer: C
Rationale: A pterygium is a growth of the conjunctiva over the cornea.
The lymphatic ducts drain into the:
- A. Arterial system
- B. Venous system
- C. Vertebral bodies of the spine
- D. Shoulder
Correct Answer: B
Rationale: The lymphatic ducts drain into the venous system, specifically at the junction of the subclavian and internal jugular veins.
Randall Johnson, an 80-year-old man with a history of high blood pressure and hypothyroidism, presents with ongoing dizziness. What is the most likely cause of his dizziness?
- A. Orthostatic hypotension
- B. Benign positional paroxysmal vertigo
- C. Overcontrol of thyroid
- D. Ménière disease
Correct Answer: A
Rationale: Orthostatic hypotension is the most likely cause of dizziness in this patient with high blood pressure and hypothyroidism.
All of the statements about Medicaid are true except:
- A. Medicaid is jointly funded by federal and state governments.
- B. Medicaid provides coverage for low-income people of all ages.
- C. The coverage provided under Medicaid is the same in every state.
- D. Long-term care for elderly and disabled people accounts for the largest proportion of Medicaid spending.
Correct Answer: C
Rationale: Medicaid coverage varies by state and is not the same in every state.
In which conflict did the US military first utilize X-ray technology for medical purposes?
- A. World War I
- B. Spanish-American War
- C. World War II
- D. Korean War
Correct Answer: A
Rationale: X-ray technology was first utilized for medical purposes during World War I to diagnose injuries and illnesses.