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

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 Feedback 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 Feedback a. The ductus venosus connects the umbilical vein to the inferior vena cava.