HY USMLE Q #819 – Physiology

A 39-year-old man who works as an astronaut returns to Earth after one year on the International Space Station. Which of the following changes would most likely be seen in this patient following his return to Earth?

↑ Bone density; ↑ Muscle bulk; ↑ Urinary cAMP
↑ Bone density; ↑ Muscle bulk; ↓ Urinary cAMP
↑ Bone density; ↓ Muscle bulk; ↑ Urinary cAMP
↑ Bone density; ↓ Muscle bulk; ↓ Urinary cAMP
↓ Bone density; ↑ Muscle bulk; ↑ Urinary cAMP
↓ Bone density; ↑ Muscle bulk; ↓ Urinary cAMP
↓ Bone density; ↓ Muscle bulk; ↑ Urinary cAMP
↓ Bone density; ↓ Muscle bulk; ↓ Urinary cAMP

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