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Erection: Quiz


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Question 1: Erectile dysfunction (also known as ED or '(male) impotence') is a ________ characterized by the inability to develop or maintain an erection.
HypersexualitySexual addictionSexual fetishismSexual dysfunction

Question 2: In the presence of mechanical stimulation, erection is initiated by the parasympathetic division of the ________ (ANS) with minimal input from the central nervous system.
NerveAutonomic nervous systemParasympathetic nervous systemSympathetic nervous system

Question 3: This may cause physical and psychological effects for the affected individual, which could include ________ or pain during erection.
Sexual fetishismErectile dysfunctionSexual dysfunctionHypersexuality

Question 4: In some males, erection can occur spontaneously at any time of day, and is known as nocturnal penile tumescence when occurring during ________.
NarcolepsyHypnagogiaDreamRapid eye movement sleep

Question 5: [2] Nitric oxide diffuses to the ________ of the arteries (called trabecular smooth muscle[3]), acting as a vasodilating agent.
Cardiac muscleSmooth muscleIntrafusal muscle fiberSkeletal muscle

Question 6: [9][11] The maintenance of the erect penis is required for ________,[citation needed] an important aspect of reproduction.
EjaculationSexual intercourseOrgasmMasturbation

Question 7: Common physiological reasons include ________ leakage and diabetes.
HeartMyocardial infarctionCirculatory systemFetal circulation

Question 8: The swelling, hardening and enlargement of the penis enables ________.
PregnancyHuman sexual behaviorMasturbationSexual intercourse

Question 9: After a male has ejaculated during a sexual encounter or ________, the erection usually ends, but this may take time depending on the length and thickness of the penis.
MasturbationHuman sexual behaviorSexual intercourseOrgasm

Question 10: Penile erection is the result of a complex interaction of psychological, neural, vascular and endocrine factors, and is usually, though not exclusively, associated with ________.
Sexual arousalClitorisPenisOrgasm

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