Lecture 10

Question 1

What is a teratogenic factor?
• a. An infectious agent
• b. A chemical substance
• c. An environmental factor affecting fetal development
• d. A genetic mutation

Answer 1

An environmental factor affecting feral development

Question 2

What are the sensitive periods in the embryo/fetus development?
• a. Resistance period
• b. Period of maximum susceptibility
• c. Period of lower susceptibility
• d. All of the above

Answer 2

All of the above

Question 3

What is the main influence on susceptibility to teratogens?
• a. Maternal diet
• b. Genotype of the embryo
• c. Duration of pregnancy
• d. Gender of the fetus

Answer 3

Genotype of the embryo

Question 4

What is the primary mode of transmission for Rubella during pregnancy?
• a. Transplacental
• b. Direct contact at birth
• c. Inhalation
• d. Ingestion of contaminated food

Answer 4

Trans placental

Question 5

Which virus is the most common cause of fetal infection?
• a. Varicella zoster
• b. Herpes simplex virus
• c. Cytomegalovirus
• d. Rubella

Answer 5

Cytomegalovirus

Question 6

What may HIV infection transmit to the fetus?
• a. Birth defects
• b. Mental retardation
• c. Fetal alcohol syndrome
• d. HIV infection does not cause birth defects

Answer 6

HIV does not cause birth defects

Question 7

Which drug is considered an absolute contraindication during pregnancy?
• a. Phenytoin
• b. Nicotine
• c. Thalidomide
• d. Warfarin

Answer 7

Thalidomide

Question 8

What may excessive alcohol consumption during pregnancy cause?
• a. Cleft palate
• b. Fetal growth retardation
• c. Cardiovascular defects
• d. All of the above

Answer 8

All of the above

Question 9

What is a definite evidence of fetal risk among drugs?
• a. Diethylstilbestrol (DES)
• b. Nicotine
• c. Tetracycline
• d. Clomiphene

Answer 9

DES

Question 10

What can exposure to ionizing radiation during pregnancy lead to?
• a. Limb malformations
• b. Congenital infections
• c. Mental retardation
• d. All of the above

Answer 10

All of the above