Mod6

Question 1

The terms conception and fertilization refer to the same thing.

Answer 1

True

Question 2

After ovulation, the egg discharged by the ovary first enters the fimbriae of
the oviduct.

Answer 2

False

Question 3

The postnatal period begins at conception and ends at birth.

Answer 3

False

Question 4

The birth weight of a baby usually triples by age 4 months.

Answer 4

False

Question 5

If a birth defect were said to be caused by a teratogen, it was caused by

Answer 5

an environmental factor

Question 6

Stage 1 of labor is the period from onset of uterine contractions until dilation
of the cervix is complete.

Answer 6

True

Question 7

One of the first signs of labor is the rupture of the “bag of waters.”

Answer 7

True

Question 8

Substances such as alcohol and the German measles virus can pass
through the placental barrier and cause injury or developmental defects in
the fetus.

Answer 8

True

Question 9

The kidney ducts, bladder, thyroid gland, and tonsils all develop from the
primary germ layer called the

Answer 9

endoderm

Question 10

For the first 8 weeks, the developing fertilized egg is called a fetus.

Answer 10

False

Question 11

Unlike the senses of sight and hearing, the senses of taste and smell
become more sensitive as we age.

Answer 11

False

Question 12

The condition in which the lens of the eye becomes cloudy is called

Answer 12

a cataract

Question 13

The clouding of the lens of the eye is called a cataract.

Answer 13

True

Question 14

Lipping

Answer 14

is when bones develop indistinct and shaggy-appearing margins

Question 15

Glasses can successfully treat presbyopia.

Answer 15

True

Question 16

Calcification or “hardening” of the arteries is called

Answer 16

arteriosclerosis

Question 17

In older adulthood, the costal cartilage begins to soften, leading to a
condition called “barrel chest.”

Answer 17

False

Question 18

Which of the following is not true as we move from infancy to adulthood?

Answer 18

The head becomes proportionately larger.

Question 19

An increase in the pressure inside the eyeball is called

Answer 19

glaucoma

Question 20

You are likely to experience increase of bone mass during aging.

Answer 20

False

Question 21

The fertilized egg is called a morula.

Answer 21

False

Question 22

The primary germ layers develop during the second trimester of pregnancy.

Answer 22

false

Question 23

The process of the expulsion of the placenta through the vagina ends labor.

Answer 23

true

Question 24

When the yolk sac fills with fluid, it is referred to as the “bag of waters.”

Answer 24

false

Question 25

The term fetus is used

Answer 25

after the first 8 weeks of pregnancy

Question 26

By the eighth week of gestation, all organ systems are complete and in place.

Answer 26

false

Question 27

About 25% of the nephrons of the kidney stop functioning between the ages of 30 and 75.

Answer 27

false

Question 28

Exercise should be considered as a part of prevention, treatment, and rehabilitation strategies for older adults.

Answer 28

true

Question 29

When a baby is born, it has only one spinal curve, adults have two.

Answer 29

true

Question 30

Glasses can successfully treat glaucoma.

Answer 30

false

Question 31

The mineral content of bones increases with aging, so that bones become less dense and more fragile.

Answer 31

false

Question 32

Many of the changes that occur during adolescence are controlled by the secretion of sex hormones.

Answer 32

true

Question 33

Although the function of the placenta is to act as a barrier between the mother and fetus, substances such as alcohol can cross the barrier.

Answer 33

true

Question 34

Sedentary lifestyle is beneficial for older adults.

Answer 34

false

Question 35

Fatty deposits that build up in the blood vessels can develop into a condition called atherosclerosis.

Answer 35

true

Question 36

Hypertension is another term for high blood pressure.

Answer 36

true

Question 37

As the respiratory system ages

Answer 37

all of the above

Question 38

There are three primary germ layers.

Answer 38

true

Question 39

Tooth enamel and the dermis of the skin develop from the same primary germ layer.

Answer 39

false

Question 40

The proportion of the head to the rest of the body is greater in an infant than in an adult.

Answer 40

true

Question 41

Aging people have to take pharmaceutical drugs to reset the human circadian pacemaker.

Answer 41

false

Question 42

Physical activity ceases to have benefits after the age of 75.

Answer 42

false

Question 43

The development of tissues is called

Answer 43

histogenesis

Question 44

Exposure to a teratogen is most dangerous to the embryo during the morula stage.

Answer 44

false

Question 45

Osteoporosis is a degenerative joint disease of old age.

Answer 45

false

Question 46

The following problem is characteristic of the aging process:

Answer 46

all of the above