Chapter 26 DSM Group 1
what is the function of the dartos and cremaster muscles?
Regulating the temperature of the testes
which of the following does not occur during spermiogenesis?
The mitochondria and Golgi apparatus are packaged into the head of the sperm.
The enzymes needed to bore into the corona radiata reside in which portion of the sperm?
acrosomal cap
Enzymes that help the sperm penetrate the ovum, or egg, are in the ________ of the sperm cell.
acrosome
seminiferous tubules and newly produced sperm are separated from the general circulation and the immune system by all of the following except ______________.
blood brain barrier
which muscle is part of the spermatic cord?
cremaster muscle
which of the following is true regarding meiosis?
Homologous chromosomes separate during meiosis I and sister chromatids separate during meiosis II.
which correctly describes mitosis and meiosis?
Mitosis creates genetically identical cells, whereas meiosis creates genetically unique cells.
which of the following structures are not found in the spermatic cord?
dartos muscle and cremaster muscle
the body of the spermatic cord is a structure that includes which of the following?
ductus deferens, blood vessels, nerves, and lymphatics
the reproductive structures in the perineal region are called ____________.
external genitalia
what is the term for the organs that produce gametes and hormones?
gonads
which of the following terms is not specifically used to describe egg and sperm?
gonads
Which cells in the testes are responsible for producing testosterone and other androgens?
interstitial cells
what happens to the chromosome number as a result of meiosis?
it is reduced by half
which of the following male reproductive structures is responsible for conducting semen into the vagina of the female?
penis
The fleshy pouch that suspends the testes outside of the body cavity is the __________.
scrotum
the external genitalia of the male include the ___________.
scrotum and the penis
The functions of the sustentacular cells (nurse cells) in the male include all of the following except?
secretion of testosterone
what is produced by spermiogenesis?
sperm
which cells in the seminiferous tubules regularly undergo mitosis?
spermatogonia
which of the following states the correct order in which cells are produced in spermatogenesis?
spermatogonium, primary spermatocyte, secondary spermatocyte, spermatid, sperm
the male gonad is the ______________.
testis
The dense layer of connective tissue that directly covers the testes is the __________.
tunica albuginea
