Question 1

Match the bipotential structure with its sex-specific result.
-testis

Accepted Answer

A) urethral folds and groove 
B) gonad cortex 
C) gonad medulla 
D) Wolffian duct 
E) Müllerian duct 
A) urethral folds and groove 
B) gonad cortex 
C) gonad medulla 
D) Wolffian duct 
E) Müllerian duct

Question 2

Sister chromatids

Accepted Answer

A)  are found in cells called primary gametes. 
B)  contain twice the normal amount of DNA. 
C)  occur during ovum formation. 
D)  are found in cells called primary gametes and contain twice the normal amount of DNA. 
E)  are found in cells called primary gametes, contain twice the normal amount of DNA, and occur during ovum formation. 
A)  are found in cells called primary gametes. 
B)  contain twice the normal amount of DNA. 
C)  occur during ovum formation. 
D)  are found in cells called primary gametes and contain twice the normal amount of DNA. 
E)  are found in cells called primary gametes, contain twice the normal amount of DNA, and occur during ovum formation.

Question 3

Sperm production occurs in the

Accepted Answer

A)  ductus deferens. 
B)  seminiferous tubules. 
C)  epididymis. 
D)  seminal vesicles. 
E)  rete testis. 
A)  ductus deferens. 
B)  seminiferous tubules. 
C)  epididymis. 
D)  seminal vesicles. 
E)  rete testis.

Question 4

Which of the following occurs during days 6-14 of the menstrual cycle?

Accepted Answer

A)  ovulation 
B)  menstruation 
C)  proliferative phase 
D)  secretory phase 
A)  ovulation 
B)  menstruation 
C)  proliferative phase 
D)  secretory phase

Question 5

Which of the following is NOT a part of the ovarian cycle?

Accepted Answer

A)  follicular phase 
B)  ovulation 
C)  luteal phase 
D)  menses 
E)  corpus luteum formation 
A)  follicular phase 
B)  ovulation 
C)  luteal phase 
D)  menses 
E)  corpus luteum formation

Question 6

Which of the following hormones is NOT produced by the placenta?

Accepted Answer

A)  human chorionic gonadotropin (hCG) 
B)  human placental lactogen (hPL) 
C)  relaxin 
D)  luteinizing hormone 
E)  progesterone 
A)  human chorionic gonadotropin (hCG) 
B)  human placental lactogen (hPL) 
C)  relaxin 
D)  luteinizing hormone 
E)  progesterone

Question 7

A male body builder starts taking injections of testosterone (an anabolic steroid)on a daily basis.After three weeks, which of the following would you expect to observe?

Accepted Answer

A)  increased sex drive 
B)  decreased levels of GnRH 
C)  decreased levels of LH 
D)  decreased levels of FSH 
E)  All of the above observations. 
A)  increased sex drive 
B)  decreased levels of GnRH 
C)  decreased levels of LH 
D)  decreased levels of FSH 
E)  All of the above observations.

Question 8

Hemophilia, color blindness, and Duchenne muscular dystrophy occur more often in males than females.Why?

Accepted Answer

A)  These traits are carried only on the Y chromosome. 
B)  The Y chromosome has been deactivated in males with these conditions. 
C)  Testis-determining factor (TDF) causes these conditions. 
D)  These conditions develop due to the lack of estrogen and progesterone. 
E)  These traits are carried only on the X chromosome, and since there is no matching gene on the Y chromosome to compensate, the traits are expressed more readily in males. 
A)  These traits are carried only on the Y chromosome. 
B)  The Y chromosome has been deactivated in males with these conditions. 
C)  Testis-determining factor (TDF) causes these conditions. 
D)  These conditions develop due to the lack of estrogen and progesterone. 
E)  These traits are carried only on the X chromosome, and since there is no matching gene on the Y chromosome to compensate, the traits are expressed more readily in males.

Question 9

Which of the following is a function of human placental lactogen?

Accepted Answer

A)  It alters mother's glucose and fatty acid metabolism. 
B)  It stimulates contraction of the smooth muscle in the uterus during birth. 
C)  It is the primary signal for the release of breast milk. 
D)  It maintains the corpus luteum after fertilization. 
E)  It loosens the ligaments in the pelvic bone before birth. 
A)  It alters mother's glucose and fatty acid metabolism. 
B)  It stimulates contraction of the smooth muscle in the uterus during birth. 
C)  It is the primary signal for the release of breast milk. 
D)  It maintains the corpus luteum after fertilization. 
E)  It loosens the ligaments in the pelvic bone before birth.

Question 10

The fold of skin that covers the tip of the penis is the

Accepted Answer

A)  glans penis. 
B)  prepuce. 
C)  corpus cavernosum. 
D)  corpus spongiosum. 
E)  penile urethra. 
A)  glans penis. 
B)  prepuce. 
C)  corpus cavernosum. 
D)  corpus spongiosum. 
E)  penile urethra.

Question 11

Gametes are produced by

Accepted Answer

A)  internal genitalia. 
B)  external genitalia. 
C)  gonads. 
D)  autosomes. 
E)  sex chromosomes. 
A)  internal genitalia. 
B)  external genitalia. 
C)  gonads. 
D)  autosomes. 
E)  sex chromosomes.

Question 12

Polyspermy in humans results in

Accepted Answer

A)  twins. 
B)  triplets. 
C)  individuals with haploid cells. 
D)  tetraploid adults. 
E)  a nonfunctional zygote. 
A)  twins. 
B)  triplets. 
C)  individuals with haploid cells. 
D)  tetraploid adults. 
E)  a nonfunctional zygote.

Question 13

The chorionic villi

Accepted Answer

A)  form the umbilical cord. 
B)  form the umbilical vein. 
C)  form the umbilical arteries. 
D)  increase the surface area available for exchange between the placenta and the maternal blood. 
E)  form the portion of the placenta called the decidua capsularis. 
A)  form the umbilical cord. 
B)  form the umbilical vein. 
C)  form the umbilical arteries. 
D)  increase the surface area available for exchange between the placenta and the maternal blood. 
E)  form the portion of the placenta called the decidua capsularis.

Question 14

Match the cells/tissue with the hormone it secretes.
-estrogen, prior to ovulation

Accepted Answer

A) Leydig cells 
B) granulosa cells 
C) corpus luteum 
D) placenta 
A) Leydig cells 
B) granulosa cells 
C) corpus luteum 
D) placenta

Question 15

Why is the scrotum, the sac that contains the testes, located outside of the body?

Accepted Answer

Optimum conditions for sperm d

Question 16

A vasectomy prevents which of the following?

Accepted Answer

A)  ejaculation 
B)  spermatogenesis 
C)  erection 
D)  formed sperm from entering ejaculate 
E)  ejaculation and spermatogenesis 
A)  ejaculation 
B)  spermatogenesis 
C)  erection 
D)  formed sperm from entering ejaculate 
E)  ejaculation and spermatogenesis

Question 17

Which of the following occurs during days 15-28 of the menstrual cycle?

Accepted Answer

A)  proliferative phase 
B)  ovulation 
C)  menstruation 
D)  secretory phase 
A)  proliferative phase 
B)  ovulation 
C)  menstruation 
D)  secretory phase

Question 18

Which of the following hormones inhibits FSH secretion in the male?

Accepted Answer

A)  testosterone 
B)  lutenizing hormone 
C)  inhibin 
D)  dihydrotestosterone 
E)  testis-determining factor 
A)  testosterone 
B)  lutenizing hormone 
C)  inhibin 
D)  dihydrotestosterone 
E)  testis-determining factor

Question 19

Mucus functions as a lubricant in the semen.Which of the following produces mucus?

Accepted Answer

A)  seminiferous tubules 
B)  prostate gland 
C)  seminal vesicle 
D)  bulbourethral glands 
E)  epididymis 
A)  seminiferous tubules 
B)  prostate gland 
C)  seminal vesicle 
D)  bulbourethral glands 
E)  epididymis

Question 20

The structure that transports the ovum to the uterus is the

Accepted Answer

A)  uterosacral ligament. 
B)  vagina. 
C)  fallopian tube. 
D)  infundibulum. 
E)  myometrium. 
A)  uterosacral ligament. 
B)  vagina. 
C)  fallopian tube. 
D)  infundibulum. 
E)  myometrium.

Exam 26: Reproduction and Development

Match the bipotential structure with its sex-specific result. -testis

Sister chromatids

Sperm production occurs in the

Which of the following occurs during days 6-14 of the menstrual cycle?

Which of the following is NOT a part of the ovarian cycle?

Which of the following hormones is NOT produced by the placenta?

A male body builder starts taking injections of testosterone (an anabolic steroid)on a daily basis.After three weeks, which of the following would you expect to observe?

Hemophilia, color blindness, and Duchenne muscular dystrophy occur more often in males than females.Why?

Which of the following is a function of human placental lactogen?

The fold of skin that covers the tip of the penis is the

Gametes are produced by

Polyspermy in humans results in

The chorionic villi

Match the cells/tissue with the hormone it secretes. -estrogen, prior to ovulation

Why is the scrotum, the sac that contains the testes, located outside of the body?

A vasectomy prevents which of the following?

Which of the following occurs during days 15-28 of the menstrual cycle?

Which of the following hormones inhibits FSH secretion in the male?

Mucus functions as a lubricant in the semen.Which of the following produces mucus?

The structure that transports the ovum to the uterus is the

Introduction to Physiology

Molecular Interactions

Compartmentation: Cells and Tissues

Energy and Cellular Metabolism

Membrane Dynamics

Communication, Integration, and Homeostasis

Introduction to the Endocrine System

Neurons: Cellular and Network Properties

The Central Nervous System

Sensory Physiology

Efferent Division: Autonomic and Somatic Motor Control

Muscles

Integrative Physiology I: Control of Body Movement

Cardiovascular Physiology

Blood Flow and the Control of Blood Pressure

Blood

Mechanics of Breathing

Gas Exchange and Transport

The Kidneys

Integrative Physiology II: Fluid and Electrolyte Balance

The Digestive System

Metabolism and Energy Balance

Endocrine Control of Growth and Metabolism

The Immune System

Integrative Physiology III: Exercise

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