Question 1

Fusion of the male and female pronuclei forms the

Accepted Answer

A)   blastocyst.
B)   morula.
C)   zygote.
D)   gastrula.
E)   trophoblast.F) B) and D)
G) B) and C)

Question 2

-The picture shows a mature placenta and fetus. What does "D" represent?

Accepted Answer

A)   umbilical vein
B)   umbilical arteries
C)   umbilical cord
D)   placenta
E)   endometriumF) A) and B)
G) C) and E)

Question 3

Which gland originates as two evaginations from the duodenum?

Accepted Answer

A)   anterior pituitary gland
B)   posterior pituitary gland
C)   thyroid gland
D)   adrenal glands
E)   pancreasF) C) and D)
G) None of the above

Question 4

What structure forms the lower jaw?

Accepted Answer

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

Question 5

The oropharyngeal and cloacal membranes, when opened, allow the _____ to open to the outside.

Accepted Answer

A)   liver
B)   skin
C)   lungs
D)   digestive tract
E)   earsF) C) and E)
G) A) and C)

Question 6

Chromosome pairs are called

Accepted Answer

A)   karyotypes.
B)   genomes.
C)   homologous pairs.
D)   loci.
E)   haploid.F) A) and E)
G) None of the above

Question 7

The testes leave the abdominal cavity and reach the scrotum by passing through the

Accepted Answer

A)   urogenital opening.
B)   inguinal canal.
C)   cloaca.
D)   urethra.
E)   Wolffian ducts.F) B) and E)
G) A) and D)

Question 8

What is formed by closure of neural groove?

Accepted Answer

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

Question 9

Muscle strength peaks in a(n)

Accepted Answer

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

Question 10

When the dominant allele does not completely mask the effects of the recessive allele in the heterozygote, it is called

Accepted Answer

A)   dominance.
B)   polygenic dominance.
C)   codominance.
D)   incomplete dominance.
E)   corecessive.F) B) and E)
G) A) and E)

Question 11

The type of fetal monitoring that uses sound waves to visualize the developing fetus is

Accepted Answer

A)   fetoscopy.
B)   ultrasound.
C)   amniocentesis.
D)   chorionic villi sampling.
E)   auscultation.F) B) and E)
G) C) and D)

Question 12

Which germ layer is tooth enamel derived from?

Accepted Answer

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

Question 13

Decreased renal filtration that occurs with aging can be the result of

Accepted Answer

A)   increased respiratory effort.
B)   decreased cardiac output.
C)   increased fluid volume.
D)   decreased ADH secretion.
E)   decreased peripheral resistance.F) A) and E)
G) All of the above

Question 14

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) A) and D)
G) All of the above

Question 15

The major difference between an embryo and a fetus is that

Accepted Answer

A)   a fetus can survive outside the mother's womb but an embryo cannot.
B)   a fetus is smaller than an embryo.
C)   organ systems are developing in an embryo while all organs are present in a fetus.
D)   a fetus is a male child while an embryo is a female child.
E)   None of these choices is correct.F) A) and D)
G) A) and E)

Question 16

The gonads appear as the

Accepted Answer

A)   paramesonephrons.
B)   urogenital folds.
C)   labioscrotal swellings.
D)   gonadal ridges.
E)   gonadal grooves.F) B) and D)
G) B) and E)

Question 17

Many gerontologists refer to walking as one of the most important anti-aging activities to prolong life. This is because a daily 30-minute walk

Accepted Answer

A)   increases blood pressure.
B)   improves circulation.
C)   promotes anaerobic metabolism.
D)   increases urine output.
E)   increases peripheral resistance.F) A) and E)
G) A) and D)

Question 18

Increased lipid deposits in the tunica intima of large arteries is called

Accepted Answer

A)   atherosclerosis.
B)   arteriosclerosis.
C)   a thrombus.
D)   an embolus.
E)   hardening of the arteries.F) A) and B)
G) All of the above

Question 19

Colostrum differs from milk in that it contains

Accepted Answer

A)   little fat.
B)   no antibodies.
C)   more protein.
D)   more lactose.
E)   more fat.F) B) and C)
G) B) and D)

Question 20

Which of the following sequences is correct?

Accepted Answer

A)   mesonephros, pronephros, metanephros
B)   metanephros, pronephros, mesonephros
C)   pronephros, mesonephros, metanephros
D)   pronephros, metanephros, mesonephros
E)   mesonephros, metanephros, pronephrosF) B) and E)
G) A) and B)

Exam 29: Development, Growth, Aging, and Genetics

The type of fetal monitoring that uses sound waves to visualize the developing fetus is

Correct AnswerverifiedShow Answer

Many gerontologists refer to walking as one of the most important anti-aging activities to prolong life. This is because a daily 30-minute walk

Correct AnswerverifiedShow Answer

Which germ layer is tooth enamel derived from?

Correct AnswerverifiedShow Answer

Fusion of the male and female pronuclei forms the

Correct AnswerverifiedShow Answer

The gonads appear as the

Correct AnswerverifiedShow Answer

Increased lipid deposits in the tunica intima of large arteries is called

Correct AnswerverifiedShow Answer

The testes leave the abdominal cavity and reach the scrotum by passing through the

Correct AnswerverifiedShow Answer

Colostrum differs from milk in that it contains

Correct AnswerverifiedShow Answer

Muscle strength peaks in a(n)

Correct AnswerverifiedShow Answer

The major difference between an embryo and a fetus is that

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-The picture shows a mature placenta and fetus. What does "D" represent?

Correct AnswerverifiedShow Answer

What structure forms the lower jaw?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

What is formed by closure of neural groove?

Correct AnswerverifiedShow Answer

The oropharyngeal and cloacal membranes, when opened, allow the _____ to open to the outside.

Correct AnswerverifiedShow Answer

Decreased renal filtration that occurs with aging can be the result of

Correct AnswerverifiedShow Answer

When the dominant allele does not completely mask the effects of the recessive allele in the heterozygote, it is called

Correct AnswerverifiedShow Answer

Chromosome pairs are called

Correct AnswerverifiedShow Answer

Which gland originates as two evaginations from the duodenum?

Correct AnswerverifiedShow Answer

Which of the following sequences is correct?

Correct AnswerverifiedShow Answer

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