Question 1

The process of aging is described by the term ____. ​

Accepted Answer

A) senescence 
B) puberty 
C) neonate 
D) morulation 
E) fetalism 
A) senescence 
B) puberty 
C) neonate 
D) morulation 
E) fetalism

Question 2

Which of the following first appears in a third trimester fetus? ​

Accepted Answer

A) lanugo hair 
B) open eyes 
C) facial expressions 
D) sucking movements 
E) heart beats 
A) lanugo hair 
B) open eyes 
C) facial expressions 
D) sucking movements 
E) heart beats

Question 3

Which extraembryonic membrane forms finger-like projections of the placenta? ​

Accepted Answer

A) yolk sac 
B) amnion 
C) chorion 
D) allantois 
E) umbilical cord 
A) yolk sac 
B) amnion 
C) chorion 
D) allantois 
E) umbilical cord

Question 4

All of the following are usually a part of the aging of reproductive systems EXCEPT ____. ​

Accepted Answer

A) declining levels of estrogen 
B) menopause 
C) loss of sexual response 
D) decreased fertility 
E) declining testosterone levels 
A) declining levels of estrogen 
B) menopause 
C) loss of sexual response 
D) decreased fertility 
E) declining testosterone levels

Question 5

The genetic testing procedure associated with in vitro fertilization is ____. ​

Accepted Answer

A) amniocentesis 
B) chorionic villus sample 
C) endoscopy 
D) preimplantation diagnosis 
E) sonography 
A) amniocentesis 
B) chorionic villus sample 
C) endoscopy 
D) preimplantation diagnosis 
E) sonography

Question 6

What vessels transport deoxygenated blood from fetus to placenta? ​

Accepted Answer

A) umbilical arteries 
B) umbilical veins 
C) ductus venosus 
D) foramen ovale 
E) ductus arteriosus 
A) umbilical arteries 
B) umbilical veins 
C) ductus venosus 
D) foramen ovale 
E) ductus arteriosus

Question 7

Which extraembryonic membrane encloses a fluid-filled sac? ​

Accepted Answer

A) yolk sac 
B) amnion 
C) chorion 
D) allantois 
E) umbilical cord 
A) yolk sac 
B) amnion 
C) chorion 
D) allantois 
E) umbilical cord

Question 8

After birth, which hormone causes the uterus to "shrink" and also causes the mother's breast tissue to contract forcing milk into the ducts? ​

Accepted Answer

A) estrogen 
B) prolactin 
C) progesterone 
D) oxytocin 
E) hCG 
A) estrogen 
B) prolactin 
C) progesterone 
D) oxytocin 
E) hCG

Question 9

What developmental landmark occurs at day 15? ​

Accepted Answer

A) primitive streak 
B) neural tube 
C) yolk sac 
D) pharyngeal arches 
E) somites 
A) primitive streak 
B) neural tube 
C) yolk sac 
D) pharyngeal arches 
E) somites

Question 10

In which stage of labor dose the amniotic sac rupture? ​

Accepted Answer

A) the first stage only 
B) the second stage only 
C) the third stage only 
D) in either the first or second stage 
E) in either the second or third stage 
A) the first stage only 
B) the second stage only 
C) the third stage only 
D) in either the first or second stage 
E) in either the second or third stage

Question 11

The zygote is converted into the morula in the ____.

Accepted Answer

A) ovary 
B) uterus 
C) vagina 
D) oviduct 
E) cervix 
A) ovary 
B) uterus 
C) vagina 
D) oviduct 
E) cervix

Question 12

High levels of what hormone increases the likelihood of fraternal twins? ​

Accepted Answer

A) FSH 
B) LH 
C) HCG 
D) progesterone 
E) estrogen 
A) FSH 
B) LH 
C) HCG 
D) progesterone 
E) estrogen

Question 13

As structures rearrange during early development the spaces merge to form the ____.

Accepted Answer

A) coelom 
B) colon 
C) notochord 
D) mouth 
E) anus 
A) coelom 
B) colon 
C) notochord 
D) mouth 
E) anus

Question 14

What is the name of the birth defect in which the neural tube fails to close completely? ​

Accepted Answer

A) neurulation 
B) fossa ovalis 
C) organogenesis 
D) spina bifida 
E) capacitation 
A) neurulation 
B) fossa ovalis 
C) organogenesis 
D) spina bifida 
E) capacitation

Question 15

In which stage of labor is the baby normally delivered? ​

Accepted Answer

A) the first stage only 
B) the second stage only 
C) the third stage only 
D) in either the first or second stage 
E) in either the second or third stage 
A) the first stage only 
B) the second stage only 
C) the third stage only 
D) in either the first or second stage 
E) in either the second or third stage

Question 16

An agent that can cause birth defects is known as a(n)____. ​

Accepted Answer

A) teratogen 
B) mutagen 
C) carcinogen 
D) hapten 
E) allergen 
A) teratogen 
B) mutagen 
C) carcinogen 
D) hapten 
E) allergen

Question 17

Which extraembryonic membrane produces HCG? ​

Accepted Answer

A) yolk sac 
B) amnion 
C) chorion 
D) allantois 
E) umbilical cord 
A) yolk sac 
B) amnion 
C) chorion 
D) allantois 
E) umbilical cord

Question 18

Blood entering the fetal pulmonary artery bypasses the lungs through the ____. ​

Accepted Answer

A) umbilical arteries 
B) umbilical veins 
C) ductus venosus 
D) foramen ovale 
E) ductus arteriosus 
A) umbilical arteries 
B) umbilical veins 
C) ductus venosus 
D) foramen ovale 
E) ductus arteriosus

Question 19

Which phase comes immediately after gastrulation? ​

Accepted Answer

A) fertilization 
B) organ formation 
C) cleavage 
D) gamete formation 
E) tissue specialization 
A) fertilization 
B) organ formation 
C) cleavage 
D) gamete formation 
E) tissue specialization

Question 20

The genetic testing procedure in which fluid surrounding the fetus is removed is ____. ​

Accepted Answer

A) amniocentesis 
B) chorionic villus sample 
C) endoscopy 
D) preimplantation diagnosis 
E) sonography 
A) amniocentesis 
B) chorionic villus sample 
C) endoscopy 
D) preimplantation diagnosis 
E) sonography

Exam 17: Development and Aging

The process of aging is described by the term ____. ​

Which of the following first appears in a third trimester fetus? ​

Which extraembryonic membrane forms finger-like projections of the placenta? ​

All of the following are usually a part of the aging of reproductive systems EXCEPT ____. ​

The genetic testing procedure associated with in vitro fertilization is ____. ​

What vessels transport deoxygenated blood from fetus to placenta? ​

Which extraembryonic membrane encloses a fluid-filled sac? ​

After birth, which hormone causes the uterus to "shrink" and also causes the mother's breast tissue to contract forcing milk into the ducts? ​

What developmental landmark occurs at day 15? ​

In which stage of labor dose the amniotic sac rupture? ​

The zygote is converted into the morula in the ____.

High levels of what hormone increases the likelihood of fraternal twins? ​

As structures rearrange during early development the spaces merge to form the ____.

What is the name of the birth defect in which the neural tube fails to close completely? ​

In which stage of labor is the baby normally delivered? ​

An agent that can cause birth defects is known as a(n)____. ​

Which extraembryonic membrane produces HCG? ​

Blood entering the fetal pulmonary artery bypasses the lungs through the ____. ​

Which phase comes immediately after gastrulation? ​

The genetic testing procedure in which fluid surrounding the fetus is removed is ____. ​

Learning About Human Biology

Chemistry of Life

Cells and How They Work

Tissues, Organs, and Organ Systems

The Skeletal System

The Muscular System

Circulation: the Heart and Blood Vessels

Blood

Immunity and Disease

The Respiratory System

Digestion and Nutrition

The Urinary System

The Nervous System

Sensory Systems

The Endocrine System

Reproductive Systems

Cell Reproduction

Introduction to Genetics

Chromosomes and Human Genetics

DNA Genes and Biotechnology

Genes and Disease: Cancer

Principles of Evolution

Principles of Ecology

Human Impacts on the Biosphere

Filters

The process of aging is described by the term ____.

Which of the following first appears in a third trimester fetus?

Which extraembryonic membrane forms finger-like projections of the placenta?

All of the following are usually a part of the aging of reproductive systems EXCEPT ____.

The genetic testing procedure associated with in vitro fertilization is ____.

What vessels transport deoxygenated blood from fetus to placenta?

Which extraembryonic membrane encloses a fluid-filled sac?

After birth, which hormone causes the uterus to "shrink" and also causes the mother's breast tissue to contract forcing milk into the ducts?

What developmental landmark occurs at day 15?

In which stage of labor dose the amniotic sac rupture?

High levels of what hormone increases the likelihood of fraternal twins?

What is the name of the birth defect in which the neural tube fails to close completely?

In which stage of labor is the baby normally delivered?

An agent that can cause birth defects is known as a(n)____.

Which extraembryonic membrane produces HCG?

Blood entering the fetal pulmonary artery bypasses the lungs through the ____.

Which phase comes immediately after gastrulation?

The genetic testing procedure in which fluid surrounding the fetus is removed is ____.