Question : 31. Which of the following stages of development that a baby : 1233747

 

31. 

Which of the following stages of development that a baby goes through is correctly matched with a description or milestone?

A. 

In germinal stage, the organism grows from one cell to hundreds of cells.

B. 

In perinatal stage, the first cell is formed by the union of an egg and sperm.

C. 

In embryonic stage, facial features become similar to those that the child will display at birth.

D. 

In fetal stage, the fertilization of the egg takes place.

32. 

The developing fetus reaches the age of viability _____ weeks after conception, during the _____ period.

A. 

22; embryonic

B. 

22; fetal

C. 

28; embryonic

D. 

28; fetal

33. 

Which of the following is most likely to be true of sensitive or critical periods in development?

A. 

Sensitive or critical periods in development can occur only before birth.

B. 

Sensitive or critical periods in development can occur only after birth.

C. 

Sensitive or critical periods in development can occur either before or after birth.

D. 

Sensitive or critical periods in development can occur only during puberty.

34. 

An infant is considered preterm if it is born before week _____.

A. 

22

B. 

28

C. 

36

D. 

38

35. 

Which genetic or chromosomal abnormality below is correctly matched with its description?

A. 

In phenylketonuria the child is unable to produce a critical enzyme, which results in an accumulation of poisons, and in turn causes mental retardation.

B. 

In Tay-Sachs disease, the body starts producing abnormally shaped red blood cells.

C. 

In Down syndrome, the brain tissues of the cortex degenerate, resulting in the death of the child.

D. 

In Sickle-cell anemia, the child receives an extra chromosome resulting in mental retardation.

36. 

Two-year-old Zack has an inherited disorder in which his body cannot break down fat. He will probably die by the time he is four. Which of the following diseases is Zack most likely suffering from?

A. 

Phenylketonuria

B. 

Sickle-cell anemia

C. 

Tay-Sachs disease

D. 

Down syndrome

37. 

Clarissa’s mother was 38 years old when she gave birth to her. Clarissa suffers from an intellectual disability and doctors have diagnosed that her condition was due to the extra chromosome that she had received at the time of conception. Identify the condition afflicting Clarissa.

A. 

Phenylketonuria

B. 

Sickle-cell anemia

C. 

Tay-Sachs disease

D. 

Down syndrome

38. 

A teratogen is:

A. 

an environmental agent that can produce a birth defect.

B. 

a genetic or chromosomal abnormality that may produce a developmental disorder.

C. 

any physical defect in an unborn child.

D. 

a fertilized egg that undergoes rapid cell division.

39. 

Barney’s mother gave birth to him when she was 25 years old. She drank heavily during her pregnancy. As a result, Barney is short. He also has learning disorders and displays some facial abnormalities. Which of the following condition is Barney most likely suffering from?

A. 

Tay-Sachs disease

B. 

Phenylketonuria

C. 

Down syndrome.

D. 

Fetal alcohol syndrome

40. 

Dennis’s mother had consumed a substantial amount of alcohol during her pregnancy; Dennis’s intelligence is below normal, his growth is slowed, and his facial features are slightly deformed. Ellis’s mother had also consumed a small amount of alcohol, and Ellis shows some, but not all, of the problems Dennis displays. Dennis suffers from _____; Ellis suffers from _____.

A. 

fetal alcohol effects; fetal alcohol syndrome

B. 

fetal alcohol effects; fetal alcohol effects as well

C. 

fetal alcohol syndrome; fetal alcohol effects

D. 

fetal alcohol syndrome; fetal alcohol syndrome as well