BIO 251 Quiz 9. Questions And Answers. A+ Guide

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BIO 251 Quiz 9 Return to Assessment List Part 1 of 1 - Part 1 100.0/ 100.0 Points From chapter 27 Question 1 of 10 10.0 / 10.0 Points What is the purpose of Leydig cells? • A. To activate the sperm flagellum. • B. To secrete testosterone. • C. To support spermatogenesis. • D. To secrete seminal fluid. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 2 of 10 10.0 / 10.0 Points In men during sexual arousal, penile erections occur due to Nitric Oxide being released from what structures? • A. Testes. • B. Epididymis. • C. Nerve endings. • D. Prostate gland. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 3 of 10 10.0 / 10.0 Points Which hypothalamic hormone contributes to the regulation of the male reproductive system? • A. Follicle-stimulating hormone. • B. Androgens. • C. Luteinizing hormone. • D. Gonadotropin-releasing hormone. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 4 of 10 10.0 / 10.0 Points In what structure does spermatogenesis take place? • A. Seminiferous tubules. • B. Glans penis. • C. Prostate gland. • D. Ejaculatory duct. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 5 of 10 10.0 / 10.0 Points What is the function of the seminal vesicles? A. Produces the bulk of the seminal fluid. • B. Spermatogenesis. • C. Provides nitric oxide needed for erections. • D. Sperm maturation and storage. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 6 of 10 10.0 / 10.0 Points Around the age of 40 to 50 in men, a reduction in circulating testosterone concentrations can lead to feelings of fatigue, reduced muscle mass, depression, anxiety, irritability, loss of libido, and insomnia. This condition is known as: • A. Menopause. • B. Andropause. C. Testostropause. • D. Androlysis. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 7 of 10 10.0 / 10.0 Points What is the purpose of Sertoli cells? • A. To support germ cells through the process of spermatogenesis. • B. To activate the sperm flagellum. • C. To secrete testosterone. • D. To secrete seminal fluid. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 8 of 10 10.0 / 10.0 Points What is the function of the epididymis? • A. Provides nitric oxide needed for erections. • B. Spermatogenesis. • C. Sperm maturation and storage. • D. Produces the bulk of seminal fluid. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 9 of 10 10.0 / 10.0 Points In addition to testosterone being released into intratesticular secretion, it is also released into systemic circulation for the role of all but which one of the following? • A. Development of secondary sex characteristics. • B. Nervous tissue development. • C. Muscle development. • D. Bone growth. Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1. Question 10 of 10 10.0 / 10.0 Points What are male gametes called? • A. Sperm • B. Ova • C. Testosterone • D. Testes Feedback: Correct. This can be found in the OpenStax Anatomy and Physiology section. Section 27.1.

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