Chapter 52 – The Reproductive System
52–39
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about calico cats? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Chapter 52 – The Reproductive System
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
69. A marine aquarium has been hoping to breed some endangered species in its intertidal
zone tank, but has been unsuccessful. Their new student intern, who is taking Introductory
Biology at the local university, suggested raising the water level. It worked! Several species
spawned and the aquarists are thrilled. What is the best explanation for the behavioral
response?
Chapter 52 – The Reproductive System
52–41
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about spawning behavior? What other information is related to
the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
70. Which type of fish is likely to produce the smallest number of progeny from each
mating?
Chapter 52 – The Reproductive System
52–43
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about strategies for development? What other information is
related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
71. What is often — but not always — a feature that accompanies the evolution of internal
fertilization?
72. At a party, one of your friends has just revealed that he and his wife are trying to
conceive. What do you advise him to avoid at the party?
Chapter 52 – The Reproductive System
52–45
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about spermatogenesis? What other information is related to
the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
73. What would be the result for a patient if all his spermatogonia went through meiosis and
proceeded to develop into spermatids?
74. A patient is complaining of erectile dysfunction. Based on what you know about the
physiology of erections, what likely cause will you look for in your workup?
Chapter 52 – The Reproductive System
75. In your fertility clinic, you look at the lab results of a young man. He has a prostate gland
the size of a golf ball, a fructose-rich semen, and 10 million sperm per ml. His sperm consist
of little more than DNA, mitochondria, and a flagellum, with almost no cytoplasm. Also, he
has follicle-stimulating hormone (FSH) and luteinizing hormone (LH) in his bloodstream.
Which of these is the likely cause of his fertility problems?
76. With help from fertility specialists, a woman with very low follicle-stimulating hormone
and luteinizing hormone levels finally conceives a son. If her genetic condition is from a
dominant allele and is passed on to her son, what is the likely result?
Chapter 52 – The Reproductive System
52–48
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about hormones and fertility? What other information is
related to the question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
77. You are doing veterinary research on dog hormones. In your set of blood samples, you
have one male dog with abnormally high levels of follicle-stimulating hormone and
luteinizing hormone. What do you suspect may be the explanation for this outlier?
Chapter 52 – The Reproductive System
52–50
Clarify Question
What is the key concept addressed by the question?
What type of thinking is required?
Gather Content
What do you already know about FSH and LH? What other information is related to the
question?
Choose Answer
Given what you now know, what information is most likely to produce the correct answer?
Reflect on Process
Did your problem-solving process lead you to the correct answer? If not, where did the
process break down or lead you astray? How can you revise your approach to produce a
more desirable result?
Chapter 52 – The Reproductive System
78. In agriculture, male animals are often castrated to modify their behavior and to produce
desirable qualities in the meat. What would you predict about hormone levels in castrated
male animals?
79. What special feature of the ovum is facilitated by the production of polar bodies?
Chapter 52 – The Reproductive System
80. What could be the result if somehow two follicles made it to the late tertiary stage and
burst from the ovary?
81. A 38-year old woman is going to ovulate in about a week. For how long has the primary
oocyte in her Graafian follicle been arrested at prophase I of meiosis?
82. A patient at a fertility clinic has been diagnosed with “luteal phase defect” (LPD). Her
progesterone levels are low and her cycles are short. What step of reproduction are these
symptoms disrupting?
Chapter 52 – The Reproductive System
52–53
83. An extremely rare occurrence in humans is a multiple pregnancy with the embryos at
different stages due to fertilization weeks apart. What mechanism normally prevents this from
happening?
84. What is the very first hormone your body produced?
85. A Women’s Studies professor wants her students to learn more about their bodies, so she asks the female students to
measure their basal body temperature daily. A small rise in temperature indicates that ovulation is occurring. However, some
students do not record a change in temperature — which ones?
Check All That Apply Questions
Chapter 52 – The Reproductive System
52–54
86. In the waiting room of a doctor’s office, the staff are creating an educational display about
varieties of birth control. What general categories of birth control will they want to outline?
Multiple Choice Questions
Chapter 52 – The Reproductive System
52–55
87. What cause of infertility happens to nearly every woman at some point?
88. A famous marathon runner has been having trouble conceiving, and her doctor has
advised taking a break from the sport — why?
True / False Questions
Chapter 52 – The Reproductive System
89. Since men produce millions of sperm, but women produce only one oocyte per cycle, in
the vast majority of cases infertility is due to a problem with the woman.