Question 1

Identify how the HAART works when used on a patient that has contracted HIV.

Accepted Answer

A)  Entry inhibitors in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.AZT will interfere with the conversion of viral RNA into DNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
B)  Entry inhibitors in HAART will prevent the HIV virus from fitting through the protein channels of the cell membranes.AZT will interfere with the conversion of viral DNA into RNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
C)  Entry inhibitors in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.AZT will interfere with the conversion of viral DNA into RNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
D)  Entry inhibitors in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.AZT will interfere with the conversion of viral RNA into the cellular proteins and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.
E)  AZT in HAART will prevent the HIV virus from binding to the CD4 receptors on the cell membranes.Inhibitors will interfere with the conversion of viral RNA into DNA and the integrase inhibitors prevent HIV from inserting its DNA into the host cell.F) C) and D)
G) B) and E)

Question 2

The organ that exchanges molecules between fetal and maternal blood is the

Accepted Answer

A)  vagina.
B)  oviduct.
C)  uterus.
D)  placenta.
E)  mammary gland.F) A) and C)
G) C) and D)

Question 3

Why does semen contain alkaline secretions?

Accepted Answer

A)  Alkaline secretions are less viscous and the sperm can swim better.
B)  The female vagina is acidic and thus not a favorable environment for sperm.
C)  Sperm are only able to use fructose under alkaline conditions.
D)  The pH of semen has no significance.E) A) and B)
F) A) and C)

Question 4

In most male animals,the penis or other copulatory organ achieves erection by

Accepted Answer

A)  muscle contraction.
B)  testicular pressure.
C)  bones or exoskeleton interlocking.
D)  artery dilation or hemolymph pressure.E) A) and C)
F) B) and C) D

Question 5

In in-vitro fertilization,sperm are placed in the vagina of a woman by a physician.

Accepted Answer

A) True 
 B)False

Question 6

The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called

Accepted Answer

A)  estrogen.
B)  progesterone.
C)  luteinizing hormone (LH) .
D)  follicle-stimulating hormone (FSH) .
E)  human chorionic gonadotropin (HCG) .F) D) and E)
G) B) and C) E

Question 7

In the human male,sperm cells are produced in the ____ and are suported by the ________.

Accepted Answer

A)  interstitial tissue; cervix
B)  urethra; uterus
C)  seminiferous tubules; Sertoli cells
D)  vas deferens; endometrium
E)  seminal vesicles; oviductF) A) and B)
G) All of the above

Question 8

Trace the correct path of the sperm during ejaculation.

Accepted Answer

A)  urethra,vas deferens,seminal vesicles,testes
B)  testes,urethra,vas deferens,penis
C)  seminiferous tubules,epididymis,vas deferens,urethra
D)  seminiferous tubules,vas deferens,epididymis,urethra
E)  vas deferens,seminiferous tubules,epididymis,urethraF) A) and C)
G) A) and B)

Question 9

The STD ______ causes an inflammation of the liver and is preventable by ___________.

Accepted Answer

A)  hepatitis A,vaccination
B)  hepatitis B,using a male condom
C)  HIV,vaccination
D)  gonorrhea,vaccination
E)  syphilis,male condomF) B) and E)
G) C) and D)

Question 10

In the human male,the tube used to carry both sperm and urine is the

Accepted Answer

A)  ureter.
B)  seminiferous tubule.
C)  vas deferens.
D)  urethra.
E)  fallopian tube.F) C) and D)
G) B) and E)

Question 11

A male accessory organ of the reproductive system that often becomes enlarged,infected,or cancerous in older men is the

Accepted Answer

A)  testis.
B)  prostate gland.
C)  epididymis.
D)  bulbourethral gland.
E)  vas deferens.F) C) and E)
G) C) and D) B

Question 12

Which of the following statements about asexual reproduction is NOT true?

Accepted Answer

A)  Asexual reproduction occurs with only one parent.
B)  Asexual reproduction is less commonly used by vertebrates.
C)  Asexual reproduction can occur by budding or by division and regeneration.
D)  A large number of offspring can be produced in this way in a short time.
E)  Asexual reproduction produces variation that allows the species to adapt quickly to changing environmental conditions.F) B) and D)
G) A) and B)

Question 13

What is the main sex hormone of the human male?

Accepted Answer

A)  testosterone
B)  estrogen
C)  luteinizing hormone (LH) 
D)  follicle-stimulating hormone (FSH) 
E)  interstitial cell-stimulating hormone (ICSH) F) None of the above
G) A) and B)

Question 14

Which structure is produced during Meiosis II in the male?

Accepted Answer

A)  secondary spermatocyte
B)  immature sperm
C)  spermatogonium
D)  primary oocyte
E)  late spermatidF) A) and B)
G) A) and C)

Question 15

Which of the following birth control methods can help prevent the spread of sexually transmitted diseases?

Accepted Answer

A)  Male and female condoms.
B)  male condom and intrauterine device
C)  Female condom and the morning-after pill.
D)  Vaccines and female condoms.
E)  None of the these will prevent the spread of sexually transmitted diseases.F) A) and D)
G) B) and D)

Question 16

What is parthenogenesis?

Accepted Answer

A)  a sexual means of internal fertilization
B)  an asexual means of reproduction involving budding
C)  an asexual means of reproduction by splitting or fission into several new individuals
D)  a modification of sexual reproduction in which an unfertilized egg develops into a complete individual
E)  a sexual means of reproduction by which cross-fertilization occurs between hermaphroditesF) A) and B)
G) D) and E)

Question 17

What is the correct order of the passage of sperm,starting at the site of development and exiting the body?

Accepted Answer

A)  Initial production occurs in the seminiferous tubules,sperm mature in the epididymis,they then enter the vas deferens,they then pass through the ejaculatory duct and exit the body through the urethra.
B)  Initial production occurs in the seminiferous tubules,sperm mature in the epididymis,they then enter the fallopian tubes,they then pass through the ejaculatory duct and exit the body through the urethra.
C)  Initial production occurs in the epididymis,sperm mature in the seminiferous tubules,they then enter the vas deferens,they then pass through the ejaculatory duct and exit the body through the urethra.
D)  Initial production occurs in the seminiferous tubules,sperm mature in the epididymis,they then enter the vas deferens,they then pass through the ejaculatory duct and exit the body through the ureters.
E)  Initial production occurs in the seminiferous tubules,sperm mature in the uterus,they then enter the vas deferens,they then pass through the ejaculatory duct and exit the body through the urethra.F) B) and E)
G) A) and B)

Question 18

In intracytoplasmic sperm injection (ICSI),a single sperm is injected into an egg in an attempt to create a zygote.

Accepted Answer

A) True 
 B)False

Question 19

A functional advantage of having human testes in the scrotum rather than in the abdomen is

Accepted Answer

A)  lack of room in the abdomen.
B)  a shorter sperm duct.
C)  more direct blood supply.
D)  lower temperature.
E)  greater protection to the testes.F) B) and E)
G) C) and E)

Question 20

Which form of birth control is the most effective at preventing the spread of sexually transmitted diseases?

Accepted Answer

A)  abstinence
B)  male condom
C)  female condom
D)  morning-after pills
E)  intrauterine deviceF) D) and E)
G) All of the above

Exam 41: Reproductive Systems

Identify how the HAART works when used on a patient that has contracted HIV.

Correct AnswerverifiedShow Answer

The organ that exchanges molecules between fetal and maternal blood is the

Correct AnswerverifiedShow Answer

Why does semen contain alkaline secretions?

Correct AnswerverifiedShow Answer

In most male animals,the penis or other copulatory organ achieves erection by

Correct AnswerverifiedD

In in-vitro fertilization,sperm are placed in the vagina of a woman by a physician.

Correct AnswerverifiedShow Answer

The hormone produced by cells around the embryo that maintains the corpus luteum and pregnancy is called

Correct AnswerverifiedE

In the human male,sperm cells are produced in the ____ and are suported by the ________.

Correct AnswerverifiedShow Answer

Trace the correct path of the sperm during ejaculation.

Correct AnswerverifiedShow Answer

The STD ______ causes an inflammation of the liver and is preventable by ___________.

Correct AnswerverifiedShow Answer

In the human male,the tube used to carry both sperm and urine is the

Correct AnswerverifiedShow Answer

A male accessory organ of the reproductive system that often becomes enlarged,infected,or cancerous in older men is the

Correct AnswerverifiedB

Which of the following statements about asexual reproduction is NOT true?

Correct AnswerverifiedShow Answer

What is the main sex hormone of the human male?

Correct AnswerverifiedShow Answer

Which structure is produced during Meiosis II in the male?

Correct AnswerverifiedShow Answer

Which of the following birth control methods can help prevent the spread of sexually transmitted diseases?

Correct AnswerverifiedShow Answer

What is parthenogenesis?

Correct AnswerverifiedShow Answer

What is the correct order of the passage of sperm,starting at the site of development and exiting the body?

Correct AnswerverifiedShow Answer

In intracytoplasmic sperm injection (ICSI),a single sperm is injected into an egg in an attempt to create a zygote.

Correct AnswerverifiedShow Answer

A functional advantage of having human testes in the scrotum rather than in the abdomen is

Correct AnswerverifiedShow Answer

Which form of birth control is the most effective at preventing the spread of sexually transmitted diseases?

Correct AnswerverifiedShow Answer

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D

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E

In the human male,sperm cells are produced in the and are suported by the ____.

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The STD causes an inflammation of the liver and is preventable by _____.

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B

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