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) achondroplasia 
A) albinism 
B) sickle-cell disease 
C) hemophilia 
D) Down syndrome 
E) achondroplasia C

Question 2

The birth process is called

Accepted Answer

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

Question 3

The eyes develop as an evagination from the

Accepted Answer

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

Question 4

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 ovale 
A) ductus arteriosus 
B) umbilical vein 
C) umbilical artery 
D) ductus venosus 
E) foramen ovale

Question 5

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. 
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.

Question 6

A mutation involving a single nucleotide is a _____ mutation.

Accepted Answer

A) deletion 
B) duplication 
C) nondisjunction 
D) point 
E) aneuploidy 
A) deletion 
B) duplication 
C) nondisjunction 
D) point 
E) aneuploidy

Question 7

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

Question 8

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. 
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.

Question 9

The major organ systems develop during the germinal prenatal period.

Accepted Answer

A) True 
 B)False

Question 10

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; 23 
A) 23; 46 
B) 92; 46 
C) 46; 23 
D) 46; 69 
E) 92; 23

Question 11

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. 
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.

Question 12

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

Question 13

Genes that are passed from male to male are called

Accepted Answer

A) structural genes. 
B) autosomes. 
C) genotypes. 
D) polygenic. 
E) y-linked. 
A) structural genes. 
B) autosomes. 
C) genotypes. 
D) polygenic. 
E) y-linked.

Question 14

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

Question 15

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) ten 
A) two 
B) four 
C) six 
D) eight 
E) ten

Question 16

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 17

The closed foramen ovale becomes the _____ after birth.

Accepted Answer

A) fossa ovalis 
B) ligamentum ovale 
C) ligamentum venosum 
D) ligamentum arteriosum 
E) valves 
A) fossa ovalis 
B) ligamentum ovale 
C) ligamentum venosum 
D) ligamentum arteriosum 
E) valves

Question 18

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) arteriosclerosis 
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) arteriosclerosis

Question 19

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 20

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 hormone 
A) Estrogen 
B) Progesterone 
C) Prolactin 
D) Growth hormone

Exam 29: Development,growth,aging,and Genetics

What genetic disorder is the failure to produce clotting factors?

The birth process is called

The eyes develop as an evagination from the

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

Before parturition,

A mutation involving a single nucleotide is a _____ mutation.

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

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

The major organ systems develop during the germinal prenatal period.

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

A cleft lip results when

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

Genes that are passed from male to male are called

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

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

What structure forms the lower jaw?

The closed foramen ovale becomes the _____ after birth.

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

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

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

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

Filters

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