Hole's Essentials of Human Anatomy & Physiology, 12th Edition (Shier)

Chapter 20: Pregnancy, Growth, Development, and Genetics

Pre-Test Questions

1
Which of the following is not true concerning growth?
A)it is an increase of size of the organism
B)it involves an increase in cell number
C)it is the same as development
D)it involves an increase in cell size
2
Fertilization takes place in the
A)vagina
B)cervix
C)uterus
D)uterine tube
3
Which of the following is thought to be the mechanism by which the sperm enters the secondary oocyte?
A)A receptor reaction that briefly alters the cell membrane of the oocyte.
B)The structure of the cell membrane of the oocyte allows entry.
C)The head of the sperm contains an enzyme that permits digestion through the membrane of the oocyte.
D)The entire sperm enters through formation of a vesicle.
4
The stage of development that follows formation of the zygote is the
A)embryonic stage
B)implantation stage
C)fetal stage
D)cleavage stage
5
The beginning of the embryonic stage is marked by the appearance of a
A)solid ball of new cells
B)hollow ball of cells
C)hollow ball of cells organized around an inner cell mass
D)worm-like structure
6
The hormone that maintains the corpus luteum following implantation of the blastocyst is
A)LH
B)hCG
C)progesterone
D)FSH
7
Which statement regarding infertility is incorrect?
A)A common cause of female infertility is hypersecretion of gonadotropic hormones.
B)60% of infertility cases involve an abnormality in the female reproductive system.
C)Endometriosis causes infertility if fibrous tissue encases the ovaries or blocks the uterine tubes.
D)Anovulation can be treated with the hormones hCG or hMG.
8
The layer of the embryonic disk that gives rise to hair, skin, and nails is
A)ectoderm
B)endoderm
C)mesoderm
D)myoderm
9
Which of the following structures arise from the mesoderm?
A)muscle
B)lining of the mouth
C)lining of the respiratory tract
D)epidermis
10
The purpose of the ductus arteriosus and foramen ovale are to:
A)enable the sperm to better penetrate the egg.
B)bypass the liver in the fetus because no digestion is taking place.
C)help the blastocyst to implant in the endometrium.
D)bypass the lungs in the fetus because there is no air there.
Glencoe Online Learning CenterScience HomeProduct InfoSite MapContact Us

The McGraw-Hill CompaniesGlencoe