Question 1

Which group is incorrect?

Accepted Answer

A) Extraembryonic membranes: graafian follicle,chorion,yolk sac 
B) Twinning: monozygotic,dizygotic 
C) Primary germ layers: ectoderm,mesoderm,endoderm 
D) Genes: dominant,recessive,codominant 
A) Extraembryonic membranes: graafian follicle,chorion,yolk sac 
B) Twinning: monozygotic,dizygotic 
C) Primary germ layers: ectoderm,mesoderm,endoderm 
D) Genes: dominant,recessive,codominant A

Question 2

Which of the following is (are) most associated with the following: areola,suspensory ligaments,lactiferous ducts,and alveolar glands?

Accepted Answer

A) Uterus 
B) Breasts 
C) Posterior pituitary gland 
D) Ovulation 
A) Uterus 
B) Breasts 
C) Posterior pituitary gland 
D) Ovulation B

Question 3

Which of the following is an example of nondisjunction?

Accepted Answer

A) Fetal alcohol syndrome 
B) Spina bifida secondary to maternal infection with rubella 
C) Down syndrome 
D) Twinning 
A) Fetal alcohol syndrome 
B) Spina bifida secondary to maternal infection with rubella 
C) Down syndrome 
D) Twinning C

Question 4

With which word is fetal alcohol most associated?

Accepted Answer

A) Colostrum 
B) Teratogen 
C) Thalidomide 
D) Eclampsia 
A) Colostrum 
B) Teratogen 
C) Thalidomide 
D) Eclampsia

Question 5

Who or what determines the gender of the baby?

Accepted Answer

A) Placenta 
B) Zygote 
C) Father 
D) Mother 
A) Placenta 
B) Zygote 
C) Father 
D) Mother

Question 6

Which of the following is an ovarian event?

Accepted Answer

A) Fertilization 
B) Implantation 
C) Maturation of the graafian follicle 
D) Cleavage and blastomere formation 
A) Fertilization 
B) Implantation 
C) Maturation of the graafian follicle 
D) Cleavage and blastomere formation

Question 7

Which of the following is most associated with organogenesis?

Accepted Answer

A) Embryonic period 
B) Implantation 
C) Third trimester 
D) Neonatal period 
A) Embryonic period 
B) Implantation 
C) Third trimester 
D) Neonatal period

Question 8

Which of the following is divided into trimesters?

Accepted Answer

A) Conception 
B) Fertilization 
C) Pregnancy 
D) Ovulation 
A) Conception 
B) Fertilization 
C) Pregnancy 
D) Ovulation

Question 9

Which of the following is formed when the chorionic villi burrow into the endometrial lining?

Accepted Answer

A) Yolk sac 
B) Placenta 
C) Umbilical cord 
D) Ductus venosus 
A) Yolk sac 
B) Placenta 
C) Umbilical cord 
D) Ductus venosus

Question 10

The blastocyst

Accepted Answer

A) lives in the uterus. 
B) is a fetal structure. 
C) lives in the fallopian tube. 
D) is an estrogen-secreting ovarian structure. 
A) lives in the uterus. 
B) is a fetal structure. 
C) lives in the fallopian tube. 
D) is an estrogen-secreting ovarian structure.

Question 11

Which of these hormones is released in response to suckling and activation of the hypothalamus and neurohypophysis?

Accepted Answer

A) Progesterone 
B) Estrogen 
C) Oxytocin 
D) Prolactin 
A) Progesterone 
B) Estrogen 
C) Oxytocin 
D) Prolactin

Question 12

Which of the following is most descriptive of a zygote?

Accepted Answer

A) Fertilized ovum 
B) Mature sperm 
C) Graafian follicle 
D) Fetus 
A) Fertilized ovum 
B) Mature sperm 
C) Graafian follicle 
D) Fetus

Question 13

The conversion of the corpus luteum to the corpus albicans

Accepted Answer

A) is characteristic of the nonpregnant state. 
B) is due to the secretion of hCG. 
C) prevents ovulation in the next menstrual cycle. 
D) occurs only in twinning. 
A) is characteristic of the nonpregnant state. 
B) is due to the secretion of hCG. 
C) prevents ovulation in the next menstrual cycle. 
D) occurs only in twinning.

Question 14

Which of the following is the latest stage of development?

Accepted Answer

A) Morula 
B) Blastomeres 
C) Blastocyst 
D) Zygote 
A) Morula 
B) Blastomeres 
C) Blastocyst 
D) Zygote

Question 15

What is the hormonal basis of the pregnancy test?

Accepted Answer

A) Estrogen 
B) Prostaglandin 
C) Oxytocin 
D) Human chorionic gonadotropin (hCG) 
A) Estrogen 
B) Prostaglandin 
C) Oxytocin 
D) Human chorionic gonadotropin (hCG)

Question 16

Which of the following is true regarding lactation?

Accepted Answer

A) Suckling causes the alveolar glands to secrete oxytocin. 
B) Suckling stimulates the sensory nerves of the milk let-down reflex. 
C) Flow of milk through the lactiferous ducts is the sensory response to suckling. 
D) Prolactin is secreted in response to suckling. 
A) Suckling causes the alveolar glands to secrete oxytocin. 
B) Suckling stimulates the sensory nerves of the milk let-down reflex. 
C) Flow of milk through the lactiferous ducts is the sensory response to suckling. 
D) Prolactin is secreted in response to suckling.

Question 17

What is the baby-to-be called after 9 weeks of development?

Accepted Answer

A) Zygote 
B) Fetus 
C) Embryo 
D) Neonate 
A) Zygote 
B) Fetus 
C) Embryo 
D) Neonate

Question 18

Which of the following is least characteristic of hCG?

Accepted Answer

A) Secreted by trophoblasts 
B) Maintains the corpus luteum 
C) Maintains maternal levels of estrogen and progesterone 
D) Exerts an oxytoxic effect 
A) Secreted by trophoblasts 
B) Maintains the corpus luteum 
C) Maintains maternal levels of estrogen and progesterone 
D) Exerts an oxytoxic effect

Question 19

Which of the following give(s) rise to the endoderm,mesoderm,and ectoderm?

Accepted Answer

A) The zygote 
B) The extraembryonic membranes 
C) Primary germ layers 
D) The placenta 
A) The zygote 
B) The extraembryonic membranes 
C) Primary germ layers 
D) The placenta

Question 20

Which of the following is least true of prolactin?

Accepted Answer

A) Secreted by the anterior pituitary gland 
B) Stimulates the mammary gland 
C) Is an adenohypophyseal hormone 
D) Plays the primary role in the milk let-down reflex 
A) Secreted by the anterior pituitary gland 
B) Stimulates the mammary gland 
C) Is an adenohypophyseal hormone 
D) Plays the primary role in the milk let-down reflex

Exam 27: Human Development and Heredity

Which group is incorrect?

Which of the following is (are) most associated with the following: areola,suspensory ligaments,lactiferous ducts,and alveolar glands?

Which of the following is an example of nondisjunction?

With which word is fetal alcohol most associated?

Who or what determines the gender of the baby?

Which of the following is an ovarian event?

Which of the following is most associated with organogenesis?

Which of the following is divided into trimesters?

Which of the following is formed when the chorionic villi burrow into the endometrial lining?

The blastocyst

Which of these hormones is released in response to suckling and activation of the hypothalamus and neurohypophysis?

Which of the following is most descriptive of a zygote?

The conversion of the corpus luteum to the corpus albicans

Which of the following is the latest stage of development?

What is the hormonal basis of the pregnancy test?

Which of the following is true regarding lactation?

What is the baby-to-be called after 9 weeks of development?

Which of the following is least characteristic of hCG?

Which of the following give(s) rise to the endoderm,mesoderm,and ectoderm?

Which of the following is least true of prolactin?

Introduction to the Human Body

Basic Chemistry

Cells

Cell Metabolism

Microbiology Basics

Tissues and Membranes

Integumentary System and Body Temperature

Skeletal System

Muscular System

Nervous System: Nervous Tissue and Brain

Nervous System: Spinal Cord and Peripheral Nerves

Autonomic Nervous System

Sensory System

Endocrine System

Blood

Anatomy of the Heart

Function of the Heart

Anatomy of the Blood Vessels and Special Circulations

Functions of the Blood Vessels

Lymphatic System

Immune System

Respiratory System

Digestive System

Urinary System

Water, Electrolyte, and Acidbase Balance

Reproductive Systems

Filters