Chapter 28 Pregnancy and Human Development
Matching Questions
Figure 28.1
Using Figure 28.1, match the following:
1) Liver.
Answer: D
Diff: 2 Page Ref: 1084; Fig. 28.12
2) Esophagus.
Answer: A
Diff: 2 Page Ref: 1084; Fig. 28.12
3) Trachea.
Answer: B
Diff: 2 Page Ref: 1084; Fig. 28.12
4) Stomach.
Answer: C
Diff: 2 Page Ref: 1084; Fig. 28.12
5) Pancreas.
Answer: E
Diff: 2 Page Ref: 1084; Fig. 28.12
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,Figure 28.2
Using Figure 28.2, match the following:
6) Protective water-filled sac surrounding the embryo.
Answer: Amnion
Diff: 2 Page Ref: 1080; Fig. 28.7
7) Extraembryonic membrane that develops from the trophoblast and some extraembryonic
mesoderm, and forms part of the placenta.
Answer: Chorionic villus
Diff: 2 Page Ref: 1078; Fig. 28.7
8) Site of early blood cell production, and forms part of the gut (digestive tube).
Answer: Yolk sac
Diff: 2 Page Ref: 1080; Fig. 28.7
9) The part of the endometrium destined to be a part of the placenta.
Answer: Decidua basalis
Diff: 2 Page Ref: 1078; Fig. 28.7
10) The part of the endometrium that surrounds the uterine cavity face of the implanted embryo.
Answer: Decidua capsularis
Diff: 2 Page Ref: 1078; Fig. 28.7
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, Match the following:
A) Capacitation
B) Fertilization
C) Implantation
D) Gastrulation
E) Cleavage
11) Leads to the development of a morula and then a blastocyst.
Diff: 1 Page Ref: 1075
12) Embedding of the blastocyst in the uterine wall.
Diff: 1 Page Ref: 1076
13) Leads to the formation of the first cell of the new individual.
Diff: 2 Page Ref: 1072
14) Leads to the establishment of the three primary germ layers.
Diff: 2 Page Ref: 1081
15) Leads to enhancement of sperm motilityand increasing membrane fragility to enable enzyme
release from acrosomes.
Diff: 2 Page Ref: 1072-1073
Answers: 11) E 12) C 13) B 14) D 15) A
True/False Questions
1) Conceptus is a term used to describe the developing human offspring.
Answer: TRUE
Diff: 1 Page Ref: 1072
2) The period from fertilization through week eight is called the embryonic period.
Answer: TRUE
Diff: 1 Page Ref: 1072
3) Fertilization occurs while the egg is still in the ovarian follicle.
Answer: FALSE
Diff: 1 Page Ref: 1072
4) Freshly deposited sperm are not capable of penetrating an oocyte.
Answer: TRUE
Diff: 1 Page Ref: 1072
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