Question 1

Neonate is the term used to refer to a baby

Accepted Answer

A)   in the 24-48 hours preceding birth.
B)   in the 24-48 hours after birth.
C)   during the first month after birth.
D)   during the six months after birth.
E)   during the first year after birth.F) B) and E)
G) A) and D)

Question 2

A __________ is a display of the chromosomes of a somatic cell during metaphase of mitosis.

Accepted Answer

A)   karyotype
B)   genome
C)   gamete
D)   locusE) A) and B)
F) A) and C)

Question 3

The onset of puberty is signaled by

Accepted Answer

A)   a growth spurt.
B)   emotional upheaval.
C)   attainment of full adult stature.
D)   the ability to obtain a drivers license.
E)   a halt to growth.F) A) and D)
G) A) and C)

Question 4

What event separates childhood from adolescence?

Accepted Answer

A)   puberty
B)   infancy
C)   formation of germ layers
D)   beginning to walkE) C) and D)
F) B) and D)

Question 5

Which of the following is NOT a change associated with aging?

Accepted Answer

A)   loss of neurons
B)   loss of skeletal and cardiac muscle tissue
C)   decreased cross-linking of collagen
D)   decreased ability of the lens in the eye to accommodate
E)   arteriosclerosisF) A) and C)
G) A) and B)

Question 6

The process of meiosis will _____ as the gametes are produced.

Accepted Answer

A)   cut the chromosome number by 1/3
B)   cut the chromosome number by 1/2
C)   double the chromosome number
D)   not change the chromosome number
E)   triple the chromosome numberF) B) and C)
G) D) and E)

Question 7

What structure forms the lower jaw?

Accepted Answer

A)   mesonephros
B)   mandibular processes
C)   neural tube
D)   secondary palate
E)   somitesF) C) and E)
G) D) and E)

Question 8

Which gland is formed by an evagination from the floor of the diencephalon?

Accepted Answer

A)   anterior pituitary gland
B)   posterior pituitary gland
C)   thyroid gland
D)   adrenal glands
E)   pancreasF) A) and E)
G) C) and D)

Question 9

The inner cell mass of the blastocyst

Accepted Answer

A)   consists of yolk-filled storage cells.
B)   contains cells that will form the embryo.
C)   represents the future placenta.
D)   will form the zona pellucida.
E)   contains cells that are discarded.F) A) and B)
G) B) and C)

Question 10

Arm and legs buds appear at about 28 days from

Accepted Answer

A)   the coelom.
B)   apical ectodermal ridges.
C)   somitomeres.
D)   neural crest cells.E) A) and B)
F) None of the above

Question 11

A patent ductus arteriosus means that the _____ did not close.

Accepted Answer

A)   intraatrial septum
B)   intraventricular septum
C)   connection between the pulmonary trunk and the aorta
D)   connection between the inferior vena cava and the abdominal aorta
E)   umbilical arteries and veinsF) None of the above
G) B) and E)

Question 12

What term describes the inheritance of a trait which in the heterozygote has an intermediate expression between either allele?

Accepted Answer

A)   Incomplete penetrance
B)   Incomplete dominance
C)   Complete dominance
D)   CodominanceE) A) and D)
F) All of the above

Question 13

What is the acrosomal reaction?

Accepted Answer

A)   The formation of the acrosome in the epididymis
B)   The activation of enzymes for action on the surface of the egg
C)   The release of ADP from the mitochondria on the midpiece
D)   The release of prostatic fluid to produce the semenE) All of the above
F) None of the above

Question 14

Which germ layer is the thyroid derived from?

Accepted Answer

A)   ectoderm
B)   mesoderm
C)   endodermD) B) and C)
E) All of the above

Question 15

Muscle strength peaks in a(n)

Accepted Answer

A)   child.
B)   adolescent.
C)   young adult.
D)   middle aged adult.
E)   elderly adult.F) A) and D)
G) A) and C)

Question 16

What structure forms the roof of the mouth?

Accepted Answer

A)   mesonephros
B)   mandibular processes
C)   neural tube
D)   secondary palate
E)   somitesF) A) and B)
G) C) and E)

Question 17

A clot or plaque which forms on the inside of blood vessel walls is called a(an)

Accepted Answer

A)   sclerosis.
B)   arteriosus.
C)   thrombus.
D)   embolus.
E)   plaque.F) C) and D)
G) B) and E)

Question 18

The placenta plays an important role in

Accepted Answer

A)   implantation.
B)   onset of lactation.
C)   beginning of parturition.
D)   provision of nutrients to the fetus.
E)   insulating the fetus.F) B) and D)
G) A) and B)

Question 19

The hormone(s)  responsible for preparing the breasts for lactation during pregnancy is (are) .

Accepted Answer

A)   estrogen.
B)   progesterone.
C)   oxytocin.
D)   prolactin.
E)   both estrogen and progesterone.F) A) and D)
G) A) and C)

Question 20

Which of the following fetal shunts connects the umbilical vein with the inferior vena cava?

Accepted Answer

A)   ductus arteriosus
B)   umbilical vein
C)   umbilical artery
D)   ductus venosus
E)   foramen ovaleF) D) and E)
G) None of the above

Exam 29: Development, Growth, Aging, and Genetics

Which germ layer is the thyroid derived from?

Correct AnswerverifiedShow Answer

The process of meiosis will _____ as the gametes are produced.

Correct AnswerverifiedShow Answer

Arm and legs buds appear at about 28 days from

Correct AnswerverifiedShow Answer

What event separates childhood from adolescence?

Correct AnswerverifiedShow Answer

A clot or plaque which forms on the inside of blood vessel walls is called a(an)

Correct AnswerverifiedShow Answer

Which of the following is NOT a change associated with aging?

Correct AnswerverifiedShow Answer

The inner cell mass of the blastocyst

Correct AnswerverifiedShow Answer

Which of the following fetal shunts connects the umbilical vein with the inferior vena cava?

Correct AnswerverifiedShow Answer

What is the acrosomal reaction?

Correct AnswerverifiedShow Answer

The onset of puberty is signaled by

Correct AnswerverifiedShow Answer

Neonate is the term used to refer to a baby

Correct AnswerverifiedShow Answer

The placenta plays an important role in

Correct AnswerverifiedShow Answer

Muscle strength peaks in a(n)

Correct AnswerverifiedShow Answer

A __________ is a display of the chromosomes of a somatic cell during metaphase of mitosis.

Correct AnswerverifiedShow Answer

The hormone(s) responsible for preparing the breasts for lactation during pregnancy is (are) .

Correct AnswerverifiedShow Answer

What term describes the inheritance of a trait which in the heterozygote has an intermediate expression between either allele?

Correct AnswerverifiedShow Answer

Which gland is formed by an evagination from the floor of the diencephalon?

Correct AnswerverifiedShow Answer

What structure forms the roof of the mouth?

Correct AnswerverifiedShow Answer

What structure forms the lower jaw?

Correct AnswerverifiedShow Answer

A patent ductus arteriosus means that the _____ did not close.

Correct AnswerverifiedShow Answer

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