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16 Questions

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Cell Division and Gamete Formation

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Questions and Answers

How many chromosomes are present in the stem cell that gives rise to sperm cells?

46 (correct)

What is the term used to describe cells with two sets of chromosomes, one from each parent?

Diploid (correct)

Tetraploid

Triploid

Haploid

What is the process by which the diploid cell reduces the number of chromosomes by half?

Meiosis (correct)

Fission

Fermentation

Mitosis

What is the term used to describe cells with half the number of chromosomes?

Haploid Signup and view all the answers

Where does spermatogenesis occur?

Seminiferous tubules Signup and view all the answers

What is the function of sustentacular cells or Sertoli cells in sperm development?

To nourish and allow immature sperm cells to grow and develop Signup and view all the answers

What is the only flagellated cell in the human body?

Sperm cell Signup and view all the answers

What is the function of the interstitial endocrinocytes in the testicle?

To produce testosterone Signup and view all the answers

What happens to the arteries supplying the penis during male sexual arousal?

They vasodilate Signup and view all the answers

What is the technical term for the head of the penis?

Glans penis Signup and view all the answers

What is the type of erectile tissue that surrounds the urethra and extends to the glans penis?

Corpus spongiosum Signup and view all the answers

What is the plural form of corpus cavernosum in Latin?

Corpora cavernosa Signup and view all the answers

What type of reflex is the act of male orgasm and ejaculation?

Sympathetic reflex Signup and view all the answers

What is the role of the smooth muscle in the vas deferens during ejaculation?

To contract rhythmically and pump semen out Signup and view all the answers

What is the term for the collection of sperm cells and glandular secretions that is expelled during ejaculation?

Ejaculate Signup and view all the answers

What is the purpose of the vasodilatory process in the penis during male sexual arousal?

To allow more blood to flow into the penis Signup and view all the answers