61) Which female structure is homologous to the corpus spongiosum of the penis?
A) clitoris
B) crura
C) bulb of the vestibule
D) labia minora
62) Erection is caused by
A) a jointed bone in the penis that unfolds.
B) the penis filling up with semen that is about to be ejaculated.
C) erectile bodies filling with blood.
D) impulses from the sympathetic nervous system.
63) Sperm are moved into the epididymis from the testis by
A) swimming under their own power.
B) gravity.
C) suction.
D) testicular fluid moved by cilia and smooth muscle cells.
64) The deep inguinal ring is formed by
A) extension of the external oblique muscle.
B) extension of the internal oblique muscle.
C) fascia layer deep to the transversus abdominis muscle.
D) cremaster muscle.
65) A hydrocele
A) occurs in females only.
B) is a series of varicosities of the pampiniform plexus.
C) is a sac filled with intestines that have pushed through the abdominal wall.
D) is excess serous fluid in the scrotum.
66) A difference between a primary follicle and a primordial follicle is that
A) one has an antrum and the other does not.
B) the oocyte is larger in the primordial follicle.
C) the primary follicle is an earlier stage than the primordial follicle.
D) the primordial follicle has only a single layer of flat follicular cells, whereas the primary follicle is comprised of cuboidal follicle cells.
67) The acrosomal reaction occurs
A) just before fertilization.
B) during meiosis of the sperm.
C) during spermiogenesis.
D) during placentation.
68) Which structure develops into the umbilical cord?
A) body stalk
B) chorionic villi
C) decidua capsularis
D) placenta
69) The placenta consists of which two structures?
A) chorionic villi and amnion
B) chorionic villi and decidua basalis
C) cytotrophoblast and syncytiotrophoblast
D) decidua basalis and decidua capsularis
70) Which of the following pairs of structures is
not
derived from the same embryonic tissues?
A) ductus deferens, uterine tube
B) penis, clitoris
C) spongy urethra, labia minora
D) testes, ovaries