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Test Bank - Maternal-Child Nursing (5th Edition by McKinney) Chapter 10

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Test Bank - Maternal-Child Nursing (5th Edition by McKinney) Chapter 10 Chapter 10: Hereditary and Environmental Influences on Development MULTIPLE CHOICE 1. How can a woman avoid exposing her fetus to teratogens? a. Update her immunizations during the first trimester of her pregnancy. b. Use saunas and hot tubs during the winter months only. c. Use only class A drugs during her pregnancy. d. Use alcoholic beverages only in the first and third trimesters of pregnancy. ANS: C Feedback A Immunizations, such as rubella, are contraindicated in pregnancy. B Maternal hyperthermia is an important teratogen. C In well-controlled studies, clNasUs RASdINruGgTsBh.aCvOeMno demonstrated fetal risk. D Alcohol is an environmental substance known to be teratogenic. PTS: 1 DIF: Cognitive Level: Application REF: p. 194 OBJ: Nursing Process: Planning MSC: Client Needs: Health Promotion and Maintenance 2. The karyotype of a person is 47, XY, +21. This person is a a. Normal male b. Male with Down syndrome c. Normal female d. Female with Turner syndrome ANS: B Feedback A A normal male has 46 chromosomes.

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MATERNAL CHILD NURSING 5TH EDITION MCKINNEY TEST BANK
Test Bank - Maternal-Child Nursing (5th Edition by McKinney) 1


Test Bank - Maternal-Child Nursing (5th Edition by McKinney) Chapter 10

Chapter 10: Hereditary and Environmental Influences on Development
MULTIPLE CHOICE

1. How can a woman avoid exposing her fetus to teratogens?


a. Update her immunizations during the first trimester of her pregnancy.


b. Use saunas and hot tubs during the winter months only.


c. Use only class A drugs during her pregnancy.


d. Use alcoholic beverages only in the first and third trimesters of pregnancy.


ANS: C


Feedback


A Immunizations, such as rubella, are contraindicated in pregnancy.


B Maternal hyperthermia is an important teratogen.


C In well-controlled studies, clNasUs RASdINruGgTsBh.aCvOeMno demonstrated fetal risk.


D Alcohol is an environmental substance known to be


teratogenic. PTS: 1 DIF: Cognitive Level: Application REF: p. 194

OBJ: Nursing Process: Planning MSC: Client Needs: Health Promotion and Maintenance

2. The karyotype of a person is 47, XY, +21. This person is a


a. Normal male


b. Male with Down syndrome


c. Normal female


d. Female with Turner syndrome


ANS: B


Feedback


A A normal male has 46 chromosomes.



NURSINGTB.COM

, MATERNAL CHILD NURSING 5TH EDITION MCKINNEY TEST BANK
Test Bank - Maternal-Child Nursing (5th Edition by McKinney) 2



B This person is male because his sex chromosomes are XY. He has one extra copy
of chromosome 21 (for a total of 47 instead of 46), resulting in Down syndrome.


C A normal female has 46 chromosomes and XX for the sex chromosomes.


D A female with Turner syndrome has 45 chromosomes; the sex chromosomes have just one


X. PTS: 1 DIF: Cognitive Level: Comprehension REF: p. 191

OBJ: Nursing Process: Assessment MSC: Client Needs: Physiologic Integrity

3. People who have two copies of the same abnormal autosomal dominant gene will usually be


a. More severely affected by the disorder than will people with one copy of the gene


b. Infertile and unable to transmit the gene


c. Carriers of the trait but not affected with the disorder


d. Mildly affected with the disorder


ANS: A
NURSINGTB.COM
Feedback


A People who have two copies of an abnormal gene are usually more severely affected by
the disorder because they have no normal gene to maintain normal function.


B Infertility may or may not be caused by chromosomal defects.


C A carrier of a trait has one recessive gene.


D Those mildly affected with the disorder will have only one copy of the abnormal


gene. PTS: 1 DIF: Cognitive Level: Comprehension REF: p. 191

OBJ: Nursing Process: Assessment MSC: Client Needs: Physiologic Integrity

4. A baby is born with blood type AB. The father is type A, and the mother is type B. The father asks why
the baby has a blood type different from those of his parents. The nurses answer should be based on the
knowledge that


a. Both A and B blood types are dominant.


b. The baby has a mutation of the parents blood types.





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