Mader's Understanding Human Anatomy & Physiology (Longenbaker), 8th Edition

Chapter 18: Human Development and Birth

True or False Quiz

1
In most cases, more than 1 sperm can penetrate an ovum.
A)True
B)False
2
Typically, 1 sperm is necessary to penetrate the corona radiata
A)True
B)False
3
Differentiation occurs when cells take on specific structures and functions.
A)True
B)False
4
The allantois develops into the umbilical cord blood vessels.
A)True
B)False
5
The compact ball of embryonic cells that develops into a morula is called a blastocyst.
A)True
B)False
6
A woman is clinically pregnant once the zygote is formed.
A)True
B)False
7
Fraternal twins come from two different ovums fertilized by one sperm.
A)True
B)False
8
Gastrulation is an example of morphogenesis.
A)True
B)False
9
The heart begins to pump blood about the 6th week of development.
A)True
B)False
10
The digestive system, lungs, and kidneys are functioning by week nine.
A)True
B)False
11
The umbilical vein transports waste molecules from the fetus to the placenta.
A)True
B)False
12
It is possible to visually distinguish between a male and female fetus by the 3rd month.
A)True
B)False
13
The fetal heart beat can first be heard with a stethoscope during the 6th month.
A)True
B)False
14
All fetuses are female until testosterone is produced which will cause male structures to form.
A)True
B)False
15
In the male fetus, wolffian ducts become the vas deferens and the mullerian ducts regress.
A)True
B)False
16
In the female fetus, the wolffian ducts become the uterine tubes and uterus and the mullerian ducts regress.
A)True
B)False
17
The cervix dilates during the second stage of parturition.
A)True
B)False
18
Stage three of parturition includes the delivery of the placenta or afterbirth.
A)True
B)False
19
Placental progesterone increases uterine blood flow.
A)True
B)False
20
Placental peptide hormones increase maternal insulin resistance.
A)True
B)False
Maders Understanding Human Anatomy & Physiology
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