BIO 202 Final Exam Questions with 100% Correct Answers

Why are the testes outside of the body? Correct Answer sperm require cooler temperatures than found in the body cavity in order to develop properly Let's say you have a male patient and they are sick with a high fever. The cremaster muscle relaxes and pulls down to make sure the testes are far away from the body to maintain an acceptable temperature. Would this be a correct or incorrect process? Correct Answer Correct What is the function of the cremaster muscle? Correct Answer smooth muscle that covers the testes to facilitate temperature regulation. Normal sperm development in testes requires temperatures _____ than body temperature. Correct Answer lower What's the function of the interstitial cells (leydig cells) ? Correct Answer they produce androgens What's the name of the cell in the testes that produce testosterone? Correct Answer interstitial cell/leydig cell What's the main function of the tests? Correct Answer to produce sperms Gametes contain how many chromosomes? Correct Answer 23 The fusion of male and female gametes produce a ______ with 46 chromosomes. Correct Answer zygote Nurse cells/ sertoli cells support? Correct Answer spermatogenesis What hormone produces inhibin? Correct Answer the testes What are the 6 functions of the nurse cells/sertoli cells? Correct Answer - support - stimulate - spermatogenesis - produce inhibin - good nutrition and good environment What's the name of the structure in the male reproductive system that's used to store the sperm? Correct Answer epididymis All the male reproductive sperms cannot move by their flagella. How do they move? Correct Answer they move by peristalsis, muscles, or cilia on the wall of the epididymis