Mod6 Flashcards
The terms conception and fertilization refer to the same thing.
True
After ovulation, the egg discharged by the ovary first enters the fimbriae of
the oviduct.
False
The postnatal period begins at conception and ends at birth.
False
The birth weight of a baby usually triples by age 4 months.
False
If a birth defect were said to be caused by a teratogen, it was caused by
an environmental factor
Stage 1 of labor is the period from onset of uterine contractions until dilation
of the cervix is complete.
True
One of the first signs of labor is the rupture of the “bag of waters.”
True
Substances such as alcohol and the German measles virus can pass
through the placental barrier and cause injury or developmental defects in
the fetus.
True
The kidney ducts, bladder, thyroid gland, and tonsils all develop from the
primary germ layer called the
endoderm
For the first 8 weeks, the developing fertilized egg is called a fetus.
False
Unlike the senses of sight and hearing, the senses of taste and smell
become more sensitive as we age.
False
The condition in which the lens of the eye becomes cloudy is called
a cataract
The clouding of the lens of the eye is called a cataract.
True
Lipping
is when bones develop indistinct and shaggy-appearing margins
Glasses can successfully treat presbyopia.
True
Calcification or “hardening” of the arteries is called
arteriosclerosis
In older adulthood, the costal cartilage begins to soften, leading to a
condition called “barrel chest.”
False
Which of the following is not true as we move from infancy to adulthood?
The head becomes proportionately larger.
An increase in the pressure inside the eyeball is called
glaucoma
You are likely to experience increase of bone mass during aging.
False
The fertilized egg is called a morula.
False
The primary germ layers develop during the second trimester of pregnancy.
false
The process of the expulsion of the placenta through the vagina ends labor.
true
When the yolk sac fills with fluid, it is referred to as the “bag of waters.”
false
The term fetus is used
after the first 8 weeks of pregnancy
By the eighth week of gestation, all organ systems are complete and in place.
false
About 25% of the nephrons of the kidney stop functioning between the ages of 30 and 75.
false
Exercise should be considered as a part of prevention, treatment, and rehabilitation strategies for older adults.
true
When a baby is born, it has only one spinal curve, adults have two.
true
Glasses can successfully treat glaucoma.
false
The mineral content of bones increases with aging, so that bones become less dense and more fragile.
false
Many of the changes that occur during adolescence are controlled by the secretion of sex hormones.
true
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.
true
Sedentary lifestyle is beneficial for older adults.
false
Fatty deposits that build up in the blood vessels can develop into a condition called atherosclerosis.
true
Hypertension is another term for high blood pressure.
true
As the respiratory system ages
all of the above
There are three primary germ layers.
true
Tooth enamel and the dermis of the skin develop from the same primary germ layer.
false
The proportion of the head to the rest of the body is greater in an infant than in an adult.
true
Aging people have to take pharmaceutical drugs to reset the human circadian pacemaker.
false
Physical activity ceases to have benefits after the age of 75.
false
The development of tissues is called
histogenesis
Exposure to a teratogen is most dangerous to the embryo during the morula stage.
false
Osteoporosis is a degenerative joint disease of old age.
false
The following problem is characteristic of the aging process:
all of the above
