Question 1

The placenta and membranes surrounding the embryo develop from the

Accepted Answer

A) morula. 
B) blastocyst. 
C) trophoblast. 
D) inner cell mass. 
E) blastocele. 
A) morula. 
B) blastocyst. 
C) trophoblast. 
D) inner cell mass. 
E) blastocele.

Question 2

Somites give rise to

Accepted Answer

A) nerves. 
B) blood. 
C) glands. 
D) muscles. 
E) spinal cord. 
A) nerves. 
B) blood. 
C) glands. 
D) muscles. 
E) spinal cord.

Question 3

The most significant complication of infant prematurity is infant respiratory distress syndrome,which occurs because very young premature infants cannot produce ______________.

Accepted Answer

A) surfactant 
B) blood 
C) oxygen 
D) erythropoietin 
E) growth hormone 
A) surfactant 
B) blood 
C) oxygen 
D) erythropoietin 
E) growth hormone

Question 4

In females,the genital tubercle becomes the

Accepted Answer

A) uterus. 
B) ovary. 
C) clitoris. 
D) vagina. 
E) labia. 
A) uterus. 
B) ovary. 
C) clitoris. 
D) vagina. 
E) labia.

Question 5

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

Accepted Answer

A) karyotype 
B) genome 
C) gamete 
D) locus 
A) karyotype 
B) genome 
C) gamete 
D) locus

Question 6

Which germ layer is the thyroid derived from?

Accepted Answer

A) ectoderm 
B) mesoderm 
C) endoderm 
A) ectoderm 
B) mesoderm 
C) endoderm

Question 7

The period from conception until birth is

Accepted Answer

A) the prenatal period. 
B) the germinal period. 
C) the embryonic period. 
D) the fetal period. 
E) the conceptual period. 
A) the prenatal period. 
B) the germinal period. 
C) the embryonic period. 
D) the fetal period. 
E) the conceptual period.

Question 8

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

Question 9

Which of the following will cause contractions of uterine smooth muscle?

Accepted Answer

A) increasing levels of progesterone 
B) decreasing levels of estrogen 
C) decreasing levels of oxytocin 
D) decreasing uterine stretch 
E) increasing levels of oxytocin 
A) increasing levels of progesterone 
B) decreasing levels of estrogen 
C) decreasing levels of oxytocin 
D) decreasing uterine stretch 
E) increasing levels of oxytocin

Question 10

Which of the following organ systems is derived from all three germ layers?

Accepted Answer

A) nervous 
B) cardiovascular 
C) endocrine 
D) integumentary 
E) skeletal 
A) nervous 
B) cardiovascular 
C) endocrine 
D) integumentary 
E) skeletal

Question 11

When more than one gene pair is involved in an inheritance pattern,it is called

Accepted Answer

A) structural gene. 
B) autosome. 
C) genotype. 
D) polygenic. 
E) y-linked. 
A) structural gene. 
B) autosome. 
C) genotype. 
D) polygenic. 
E) y-linked.

Question 12

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. 
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.

Question 13

Which of the following statements about the syncytiotrophoblast is false?

Accepted Answer

A) It forms the developing embryo. 
B) It is composed of a non-dividing,multinucleated cell. 
C) It is nonantigenic,so that it triggers no immune response. 
D) It invades the maternal tissues that compose the endometrium of the uterus. 
E) It forms lacunae. 
A) It forms the developing embryo. 
B) It is composed of a non-dividing,multinucleated cell. 
C) It is nonantigenic,so that it triggers no immune response. 
D) It invades the maternal tissues that compose the endometrium of the uterus. 
E) It forms lacunae.

Question 14

An APGAR score of _____ is considered normal at 1 to 5 minutes after birth.

Accepted Answer

A) 2 
B) 5 
C) 9 
D) 12 
E) 25 
A) 2 
B) 5 
C) 9 
D) 12 
E) 25

Question 15

Which germ layer is the epidermis derived from?

Accepted Answer

A) ectoderm 
B) mesoderm 
C) endoderm 
A) ectoderm 
B) mesoderm 
C) endoderm

Question 16

The specific location of a gene on a chromosome is its

Accepted Answer

A) homolog. 
B) genotype. 
C) phenotype. 
D) allele. 
E) locus. 
A) homolog. 
B) genotype. 
C) phenotype. 
D) allele. 
E) locus.

Question 17

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. 
A) atherosclerosis. 
B) arteriosclerosis. 
C) a thrombus. 
D) an embolus. 
E) hardening of the arteries.

Question 18

Atoms or molecules with unpaired electrons that can react with normal cells and cause damage are called ______.

Accepted Answer

A) free radicals 
B) teratogens 
C) mutagens 
D) antioxidants 
E) vitamins 
A) free radicals 
B) teratogens 
C) mutagens 
D) antioxidants 
E) vitamins

Question 19

The first functional kidney is the

Accepted Answer

A) mesonephros. 
B) pronephros. 
C) allantois. 
D) bulbos cordis. 
E) urorectal septum. 
A) mesonephros. 
B) pronephros. 
C) allantois. 
D) bulbos cordis. 
E) urorectal septum.

Question 20

Which of the following is correctly matched?

Accepted Answer

A) first stage of labor - baby exits vagina 
B) second stage of labor - ends with cervix dilation to maximum 
C) third stage of labor - placenta expelled from uterus 
A) first stage of labor - baby exits vagina 
B) second stage of labor - ends with cervix dilation to maximum 
C) third stage of labor - placenta expelled from uterus

Exam 29: Development,growth,aging,and Genetics

The placenta and membranes surrounding the embryo develop from the

Somites give rise to

The most significant complication of infant prematurity is infant respiratory distress syndrome,which occurs because very young premature infants cannot produce ______________.

In females,the genital tubercle becomes the

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

Which germ layer is the thyroid derived from?

The period from conception until birth is

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

Which of the following will cause contractions of uterine smooth muscle?

Which of the following organ systems is derived from all three germ layers?

When more than one gene pair is involved in an inheritance pattern,it is called

Neonate is the term used to refer to a baby

Which of the following statements about the syncytiotrophoblast is false?

An APGAR score of _____ is considered normal at 1 to 5 minutes after birth.

Which germ layer is the epidermis derived from?

The specific location of a gene on a chromosome is its

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

Atoms or molecules with unpaired electrons that can react with normal cells and cause damage are called ______.

The first functional kidney is the

Which of the following is correctly matched?

The Human Organism

The Chemical Basis of Life

Cell Biology

Tissues

Integumentary System

Skeletal System: Bones and Bone Tissue

Skeletal System: Gross Anatomy

Joints and Movement

Muscular System: Histology and Physiology

Muscular System: Gross Anatomy

Functional Organization of Nervous Tissue

Spinal Cord and Spinal Nerves

Brain and Cranial Nerves

Integration of Nervous System Functions

The Special Senses

Autonomic Nervous System

Functional Organization of the Endocrine System

Endocrine Glands

Cardiovascular System: Blood

Cardiovascular System: the Heart

Cardiovascular System: Blood Vessels and Circulation

Lymphatic System and Immunity

Respiratory System

Digestive System

Nutrition,metabolism,and Temperature Regulation

Urinary System

Water,electrolyte,and Acid-Based Balance

Reproductive System

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