Q CLINICAL CASE 5 BLOOD FLOW AND BLOOD PRESSURE High Blood Pressure Treatment and Erectile Dysfunction A man in his late fifties went to his doctor only to discover that he had high blood pressure. The doctor prescribed some BP medication to help him out. And it did—for the most part. Everything seemed to be back on track; sexual arousal and performance were near normal. But just a week after, the erectile dysfunction started appearing. Questions 1. Did blood pressure drug itself cause the negative effect on his sexual performance? 2. If yes, which types of Blood Pressure medications cause this problem, and what percentages of men experience it? 3. What is the mechanism of this problem? 4. What is the percentage of men stop taking medication for interfering with sex life?

Q CLINICAL CASE 6 VASCULAR SYSTEM Mr. Hutchinson, a middle-aged man, becomes a victim of a collision accident He is admitted in an unconscious state His right lower leg that was pinned beneath the bus for at least 30 min, is blanched, cold and without pulse He has compound fracture of the right tibia Blood pressure is 90/48; pulse 140/min an thready; patient diaphoretic (sweaty) Questions 1. What is the condition of the tissues in the right lower leg? 2. Will the fracture be attended to, or will Mr. Hutchinson’s other homeostatic needs take precedence? Explain. 3. What do you conclude regarding Mr. Hutchinson’s cardiovascular measurements (pulse and BP)? 4. What measurements will be taken to remedy the situation before commencing surgery?