Question 1

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

Question 2

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

Question 3

Which germ layer is tooth enamel derived from?

Accepted Answer

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

Question 4

What structure forms the lower jaw?

Accepted Answer

A)  mesonephros 
B)  mandibular processes 
C)  neural tube 
D)  secondary palate 
E)  somites 
A)  mesonephros 
B)  mandibular processes 
C)  neural tube 
D)  secondary palate 
E)  somites

Question 5

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. 
A)  increased respiratory effort. 
B)  decreased cardiac output. 
C)  increased fluid volume. 
D)  decreased ADH secretion. 
E)  decreased peripheral resistance.

Question 6

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)  ears 
A)  liver 
B)  skin 
C)  lungs 
D)  digestive tract 
E)  ears

Question 7

Chromosome pairs are called

Accepted Answer

A)  karyotypes. 
B)  genomes. 
C)  homologous pairs. 
D)  loci. 
E)  haploid. 
A)  karyotypes. 
B)  genomes. 
C)  homologous pairs. 
D)  loci. 
E)  haploid.

Question 8

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

Question 9

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 10

Fusion of the male and female pronuclei forms the

Accepted Answer

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

Question 11

What is formed by closure of neural groove?

Accepted Answer

A)  mesonephros 
B)  mandibular processes 
C)  neural tube 
D)  secondary palate 
E)  somites 
A)  mesonephros 
B)  mandibular processes 
C)  neural tube 
D)  secondary palate 
E)  somites

Question 12

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

Question 13

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)  pancreas 
A)  anterior pituitary gland 
B)  posterior pituitary gland 
C)  thyroid gland 
D)  adrenal glands 
E)  pancreas

Question 14

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

Question 15

The gonads appear as the

Accepted Answer

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

Question 16

-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)  endometrium 
A)  umbilical vein 
B)  umbilical arteries 
C)  umbilical cord 
D)  placenta 
E)  endometrium

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

Muscle strength peaks in a(n)

Accepted Answer

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

Question 19

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. 
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.

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, pronephros 
A)  mesonephros, pronephros, metanephros 
B)  metanephros, pronephros, mesonephros 
C)  pronephros, mesonephros, metanephros 
D)  pronephros, metanephros, mesonephros 
E)  mesonephros, metanephros, pronephros

Exam 29: Development, Growth, Aging, and Genetics

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

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

Which germ layer is tooth enamel derived from?

What structure forms the lower jaw?

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

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

Chromosome pairs are called

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

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

Fusion of the male and female pronuclei forms the

What is formed by closure of neural groove?

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

Which gland originates as two evaginations from the duodenum?

Colostrum differs from milk in that it contains

The gonads appear as the

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

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

Muscle strength peaks in a(n)

The major difference between an embryo and a fetus is that

Which of the following sequences is correct?

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, Electrolytes, and Acidbase Balance

Reproductive System

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