Chapter 3 Genetics, Conception, Fetal Development, and Reproductive Technology

Chapter 3  Genetics, Conception, Fetal Development, and Reproductive Technology

Complete Chapter Questions And Answers
 

Sample Questions

Multiple Choice

1. The color of a person’s hair is an example of which of the following?a. Genomeb. Sex-link inheritancec. Genotyped. Phenotype

ANS: d

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a.
Genome is an organism’s complete set of DNA.
b.
Sex-link inheritance refers to genes or traits that are located only on the X chromosome.
c.
Genotype refers to a person’s genetic makeup.
d.
Correct. Phenotype refers to how genes are outwardly expressed, such as eye color, hair color, and height.

KEY: Integrated Process: Teaching and Learning | Cognitive Level: Analysis | Content Area: Maternity | Client Need: Health Promotion and Maintenance | Difficulty Level: Easy

2. Which of the following statements by a pregnant woman indicates she needs additional teaching on ways to reduce risks to her unborn child from the potential effects of exposure to toxoplasmosis?a. “I will avoid rare lamb.”b. “I will wear a mask when cleaning my cat’s litter box.”c. “I understand that exposure to toxoplasmosis can cause blindness in the baby.”d. “I will avoid rare beef.”

ANS: b

Feedback
a.
Exposure occurs when the protozoan parasite found in cat feces and uncooked or rare beef and lamb is ingested.
b.
Correct. Pregnant women and women who are attempting pregnancy should avoid contact with cat feces. Exposure occurs when the protozoan parasite found in cat feces and uncooked or rare beef and lamb is ingested. Wearing a mask will not decrease the risk through ingestion of the parasite.
c.
Exposure to toxoplasmosis can cause fetal death, mental retardation, and blindness.
d.
Exposure occurs when the protozoan parasite found in cat feces and uncooked or rare beef and lamb is ingested.

KEY: Integrated Process: Teaching and Learning | Cognitive Level: Application | Content Area: Maternity | Client Need: Health Promotion and Maintenance | Difficulty Level: Moderate

3. The fetal circulatory structure that connects the pulmonary artery with the descending aorta is known as which of the following?a. Ductus venosusb. Foramen ovalec. Ductus arteriosusd. Internal iliac artery

ANS: c

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a.
The ductus venosus connects the umbilical vein to the inferior vena cava.
b.
The foramen ovale is the opening between the right and left atria.
c.
Correct.
d.
The internal iliac artery connects the external iliac artery to the umbilical artery.
KEY: Integrated Process: Teaching and Learning | Cognitive Level: Knowledge | Content Area: Maternity | Client Need: Physiological Adaptation | Difficulty Level: Easy

4. A woman at 40 weeks’ gestation has a diagnosis of oligohydramnios. Which of the following statements related to oligohydramnios is correct?a. It indicates that there is a 25% increase in amniotic fluid.b. It indicates that there is a 25% reduction of amniotic fluid.c. It indicates that there is a 50% increase in amniotic fluid.d. It indicates that there is a 50% reduction of amniotic fluid.

ANS: d

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a.
Oligohydramnios is a decrease, not an increase in amniotic fluid.
b.
Oligohydramnios is a 50% reduction in amniotic fluid.
c.
Oligohydramnios is a decrease, not an increase in amniotic fluid.
d.
Correct. Oligohydramnios refers to a decreased amount of amniotic fluid of less than 500 mL at term or 50% reduction of normal amounts.
KEY: Integrated Process: Clinical Problem Solving | Cognitive Level: Application | Content Area: Maternity | Client Need: Reduction of Risk Potential | Difficulty Level: Moderate

5. A diagnostic test commonly used to assess problems of the fallopian tubes is:a. Endometrial biopsyb. Ovarian reserve testingc. Hysterosalpingogramd. Screening for sexually transmitted infections

ANS: c

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a.
Endometrial biopsy provides information on the response of the uterus to hormonal signals.
b.
Ovarian reserve testing is used to assess ovulatory functioning.
c.
Correct. Hysterosalpingogram provides information on the endocervical canal, uterine cavity, and fallopian tubes.
d.
STIs can cause adhesions within the fallopian tubes, but screening cannot confirm that adhesions are present.
KEY: Integrated Process: Teaching and Learning | Cognitive Level: Knowledge | Content Area: Maternity | Client Need: Safe and Effective Care Environment | Difficulty Level: Moderate