Question 1

What genetic disorder is the failure to produce clotting factors?

Accepted Answer

A)  albinism
B)  sickle-cell disease
C)  hemophilia
D)  Down syndrome
E)  achondroplasiaF) None of the above
G) A) and E) C

Question 2

The birth process is called

Accepted Answer

A)  micturition.
B)  gastrulation.
C)  organogenesis.
D)  parturition.
E)  expulsion.F) C) and D)
G) A) and E) D

Question 3

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

Question 4

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) A) and C)
G) C) and E)

Question 5

Alcohol ingestion by a pregnant woman can cause birth defects in her baby; alcohol is a(an)

Accepted Answer

A)  carcinogen.
B)  mutagen.
C)  teratogen.
D)  oncogene.
E)  haptogen.F) C) and E)
G) C) and D)

Question 6

Genes that are passed from male to male are called

Accepted Answer

A)  structural genes.
B)  autosomes.
C)  genotypes.
D)  polygenic.
E)  y-linked.F) All of the above
G) A) and C)

Question 7

In humans,somatic cells have ____ chromosomes,while reproductive cells (gametes) have ____.

Accepted Answer

A)  23; 46
B)  92; 46
C)  46; 23
D)  46; 69
E)  92; 23F) B) and E)
G) D) and E)

Question 8

Before parturition,

Accepted Answer

A)  the placenta secretes increased amounts of oxytocin.
B)  the uterus stretches,causing the release of ACTH from the adenohypophysis.
C)  there is an increase in the stimulatory effects of progesterone on the uterine muscle.
D)  prostaglandin synthesis is inhibited.
E)  fetal glucocorticoids decrease the production of progesterone by the placenta.F) A) and E)
G) A) and D)

Question 9

What structure forms the lower jaw?

Accepted Answer

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

Question 10

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 E)
G) A) and B)

Question 11

A mutation involving a single nucleotide is a _____ mutation.

Accepted Answer

A)  deletion
B)  duplication
C)  nondisjunction
D)  point
E)  aneuploidyF) C) and E)
G) B) and E)

Question 12

The eyes develop as an evagination from the

Accepted Answer

A)  myelencephalon.
B)  mesencephalon.
C)  neural crest cells.
D)  diencephalon.
E)  telencephalon.F) A) and D)
G) C) and D) D

Question 13

The closed foramen ovale becomes the _____ after birth.

Accepted Answer

A)  fossa ovalis
B)  ligamentum ovale
C)  ligamentum venosum
D)  ligamentum arteriosum
E)  valvesF) B) and D)
G) A) and C)

Question 14

The thickened area of the blastocyst from which the embryo develops is called the _______________.

Accepted Answer

A)  inner cell mass
B)  trophoblast
C)  blastocele
D)  morula
E)  zygoteF) None of the above
G) C) and E)

Question 15

The major organ systems develop during the germinal prenatal period.

Accepted Answer

A) True 
 B)False

Question 16

One of the major problems a premature infant may develop is respiratory distress syndrome.This occurs because in a premature infant

Accepted Answer

A)  oxygen transport is impaired.
B)  surfactant isn't produced.
C)  the lungs are collapsed.
D)  there aren't enough red blood cells to carry oxygen.
E)  there is mixing of the arterial and venous blood.F) B) and D)
G) A) and D)

Question 17

An infant who has just started cooing and gurgling in response to smiles and attention from its parents is about _____ months old.

Accepted Answer

A)  two
B)  four
C)  six
D)  eight
E)  tenF) B) and E)
G) A) and C)

Question 18

Identify the hormone secreted during pregnancy that cause the ducts of the mammary glands to grow and branch when in high levels.

Accepted Answer

A)  Estrogen
B)  Progesterone
C)  Prolactin
D)  Growth hormoneE) A) and B)
F) A) and C)

Question 19

Once the embryonic mass has 12 or more cells,it is called a

Accepted Answer

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

Question 20

A cleft lip results when

Accepted Answer

A)  the two halves of the secondary palate do not fuse.
B)  the frontonasal and maxillary processes do not fuse.
C)  the lateral edges of the nasal placodes do not fuse with the maxillary processes.
D)  the maxillary processes do not fuse with the mandibular processes.
E)  None of these choices is correct.F) A) and E)
G) A) and B)

Exam 29: Development,growth,aging,and Genetics

What genetic disorder is the failure to produce clotting factors?

Correct AnswerverifiedC

The birth process is called

Correct AnswerverifiedD

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Alcohol ingestion by a pregnant woman can cause birth defects in her baby; alcohol is a(an)

Correct AnswerverifiedShow Answer

Genes that are passed from male to male are called

Correct AnswerverifiedShow Answer

In humans,somatic cells have ____ chromosomes,while reproductive cells (gametes) have ____.

Correct AnswerverifiedShow Answer

Before parturition,

Correct AnswerverifiedShow Answer

What structure forms the lower jaw?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

A mutation involving a single nucleotide is a _____ mutation.

Correct AnswerverifiedShow Answer

The eyes develop as an evagination from the

Correct AnswerverifiedD

The closed foramen ovale becomes the _____ after birth.

Correct AnswerverifiedShow Answer

The thickened area of the blastocyst from which the embryo develops is called the _______________.

Correct AnswerverifiedShow Answer

The major organ systems develop during the germinal prenatal period.

Correct AnswerverifiedShow Answer

One of the major problems a premature infant may develop is respiratory distress syndrome.This occurs because in a premature infant

Correct AnswerverifiedShow Answer

An infant who has just started cooing and gurgling in response to smiles and attention from its parents is about _____ months old.

Correct AnswerverifiedShow Answer

Identify the hormone secreted during pregnancy that cause the ducts of the mammary glands to grow and branch when in high levels.

Correct AnswerverifiedShow Answer

Once the embryonic mass has 12 or more cells,it is called a

Correct AnswerverifiedShow Answer

A cleft lip results when

Correct AnswerverifiedShow Answer

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In humans,somatic cells have chromosomes,while reproductive cells (gametes) have .

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D

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