A 34-Year-Old Man Comes to the Office Due to Lack

question 494

Multiple Choice

A 34-year-old man comes to the office due to lack of sexual desire and erectile dysfunction for 3 months.  Medical history is significant for opioid use disorder, for which he has been taking methadone for 2 years.  The patient has gained 4.5 kg (10 lb) over the past 6 months.  Vital signs are normal.  BMI is 24.5 kg/m².  On examination, the testes are small and soft.  There is no gynecomastia.  Visual field and thyroid examination findings are normal.  Laboratory results are as follows: Which of the following is the most likely cause of this patient's symptoms?

• A)Klinefelter syndrome
• B)Medication adverse effect
• C)Pituitary tumor
• D)Rapid weight gain

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Definitions:

Sensory Adaptation

Diminished sensitivity as a consequence of constant stimulation.

Sensory Receptors

Specialized cells or neuronal structures that respond to specific types of external stimuli, such as light, sound, pressure, or chemicals, sending signals to the brain.

Bottom-up Processing

An approach in perception where processing starts with sensory input and builds up towards the final conceptual representation.

Sensory Adaptation

The process by which sensory receptors become less sensitive to constant or unchanging stimuli.