Answer to Question 1
B
Feedback:
An episode of erectile dysfunction can trigger a cycle wherein anxiety over the potential loss of sexual function interferes with the ability to become erect, which in turn further heightens anxiety. The other choices do not describe cycles that cause older men to decide they are too old for sex.
Answer to Question 2
B
Feedback:
Erectile dysfunction can have multiple causes, including atherosclerosis, diabetes, hypertension, multiple sclerosis, thyroid dysfunction, alcoholism, renal failure, structure abnormalities, medications, and psychological factors. Given the range and complexity of potential causes, a thorough physical examination is essential. Even if the patient is not interested in being sexually active, he should be encouraged to have this dysfunction evaluated to identify underlying conditions that warrant medical attention.
An overview of photosynthesis: cooperation of the light reactions and the Calvin cycle.
Citric Acid Cycle
Gymnosperm life cycle
A schematic diagram of the functional cycle of the Na+–K+ pump
Establishing rapport with his older adult
Earth as a System: The Hydrologic Cycle