Question 1

The underlying combination of genetic material present (but not outwardly visible) in an organism is called

Accepted Answer

A) a genotype. 
B) a phenotype. 
C) dominant. 
D) recessive.

Question 2

Which trait reflects the tendency to be a masterful, forceful leader who enjoys being the centre of attention, and has been found to be strongly associated with genetic factors?

Accepted Answer

A) neuroticism 
B) social potency 
C) extroversion 
D) traditionalism

Question 3

When a premature infant with a low-birth-weight is placed in an incubator, oxygen is carefully monitored because too _____ of a concentration of oxygen _____.

Accepted Answer

A) high; can damage the baby's retinas, leading to permanent blindness 
B) low; can damage the baby's retinas, leading to permanent blindness 
C) low; can lead to jaundice 
D) high; can lead to jaundice

Question 4

Which of the following features is characteristic of very-low-birth-weight infants?

Accepted Answer

A) Skin tone is lighter and more pale than expected. 
B) Webs are apparent between the infant's fingers and toes. 
C) Eyes may be fused shut. 
D) Earlobes may be larger than a full terms infant in proportion to their head size.

Question 5

Females are born with around _______ ova located in the two ovaries.

Accepted Answer

A) 500 000 
B) 100 000 
C) 1 000 000 
D) 400 000

Question 6

It is not until the final period of prenatal development, the _____ stage, that the developing child becomes easily recognizable.

Accepted Answer

A) embryonic 
B) germinal 
C) fetal 
D) birth

Question 7

Which of the following is considered a behavioural and environmental risk related to pregnancy?

Accepted Answer

A) exercise 
B) low altitude 
C) excessive sun exposure 
D) poor nutrition

Question 8

What is the profession that focuses on helping people deal with issues relating to inherited disorders?

Accepted Answer

A) Psychological counselling 
B) Disorders counselling 
C) Genetic counselling 
D) Family counselling

Question 9

Children that were born prematurely

Accepted Answer

A) almost always have significant developmental delays. 
B) have similar outcomes, regardless of how many weeks they were premature. 
C) may show cognitive, but not physical developmental impairments. 
D) have an increased risk of learning disorders.

Question 10

What is a consequence of sending mothers home earlier after childbirth?

Accepted Answer

A) Infant mortality has doubled. 
B) Mothers are better able to bond with their children. 
C) The incidence of developmental delays has increased. 
D) Hospital re-admissions have increased, mostly for jaundice or dehydration.

Question 11

An observable trait, the trait that is actually seen, is labeled

Accepted Answer

A) dominant. 
B) recessive. 
C) a genotype. 
D) a phenotype.

Question 12

William and Sandy's baby was considered preterm because

Accepted Answer

A) the baby was born prior to 37 weeks of gestation. 
B) the baby weighed 3400 grams. 
C) the baby weighed less than 2500 grams. 
D) the baby was born later than normal.

Question 13

It is clear that the father's sperm determines the gender of the child.

Accepted Answer

A) True 
 B)False

Question 14

What is the name of the new cell formed by the process of fertilization?

Accepted Answer

A) sperm 
B) zygote 
C) ovum 
D) gametes

Question 15

Amniocentesis is carried out _____ weeks into the pregnancy.

Accepted Answer

A) 5–10 
B) 10–15 
C) 15–20 
D) 20–25

Question 16

Patterns of arousal and emotionality that represent consistent and enduring characteristics in an individual are called

Accepted Answer

A) genetics. 
B) genotype. 
C) temperament. 
D) phenotype.

Question 17

Mothers who use smaller amounts of alcohol during pregnancy place their children at risk of

Accepted Answer

A) fetal alcohol syndrome (FAS). 
B) autoimmune deficiency. 
C) fetal alcohol effects (FA
E) . 
D) AIDS.

Question 18

The Society of Obstetricians and Gynaecologists include pharmacological and non-pharmacological pain relief equally in their definition of "normal childbirth."

Accepted Answer