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Human Development

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.
The development of the ___________ establishes reference points for the orientation of the developing embryo.
a)
Primitive streak
b)
Epiblast
c)
Zygote
d)
Mesoderm
2.
Which of the following is NOT a layer of the trilaminar embryo?
a)
Hypoblast
b)
Ectoderm
c)
Mesoderm
d)
Endoderm
3.
What is the first event of gastrulation?
a)
Development of the primitive streak
b)
Neurulation
c)
Organogenesis
d)
Development of the mesoderm
4.
The middle layer of the trilaminar disc is the 
a)
Mesoderm
b)
Myoderm
c)
Ectoderm
d)
Endoderm
5.
The cephalocaudal folding of the embryo produces the 
a)
Future head and buttocks
b)
Gastrointestinal system
c)
Nervous system
d)
Appendicular skeleton
6.
Transverse folding of the developing embryo produces the
a)
Future trunk and primitive gut
b)
Appendicular skeleton
c)
Future head and buttocks
d)
Nervous system
7.
Organogenesis is defined as
a)
The process where the three primary germ layers differentiate into organs and organ systems
b)
The development of a trilaminar disc from the bilaminar disc
c)
The development of the cardiovascular system
d)
The process where the appendicular skeleton extends from the axial skeleton
8.
The ectoderm forms the
a)
Nervous system and skin
b)
Gastrointestinal system
c)
Heart and lungs
d)
Muscles
9.
The mesoderm forms the
a)
Bones, cartilage and muscles
b)
Urinary bladder
c)
Skin
d)
Glands
10.
The endoderm forms the
a)
Urinary bladder
b)
Cardiovascular system
c)
Kidneys and gonads
d)
Nervous system
11.
The two layers of a serous membrane are
a)
Parietal and visceral layers
b)
Internal and external layers
c)
Inside and outside layers
d)
Organic and non-organic layers
12.
The two ventral cavities are separated by the
a)
Diaphragm
b)
Lungs
c)
Heart
d)
Peritoneum
13.
The dorsal cavities include the _____ and ______ cavities
a)
Cranial and vertebral 
b)
Thoracic and abdominopelvic
c)
Internal and external
d)
Superior and inferior
14.
What are the cranial and vertebral cavities filled with?
a)
Cerebrospinal fluid (CSF)
b)
Blood
c)
Air
d)
Gastric juices
15.
Which of the following is NOT a serous membrane in the body?
a)
Perilymph 
b)
Pericardium
c)
Pleura
d)
Peritoneum
16.
The serous membrane lining the cranial and vertebral cavities is called the
a)
Meninges
b)
Pleura
c)
Pericardium
d)
Peritoneum 
17.
What is classified as the embryonic period?
a)
Week 3 to week 8
b)
Week 1 to week 10
c)
Week 10 to week 20
d)
Week 4 to week 15
18.
Gastrulation is defined as the
a)
Formation of the trilaminar disc
b)
Formation of the bilaminar disc
c)
Implantation of the developing embryo into the uterine wall
d)
Fertilisation of the egg with sperm
19.
The primitive streak runs in which direction
a)
Cephalic-caudal
b)
Left-right
c)
Anterior-posterior
d)
Lateral-medial
20.
Ingression is defined as the
a)
Movement of the epiblast layer into and underneath the primitive streak
b)
Movement of the fertilised egg into the uterus
c)
Development of the zygote into an embryo
d)
Folding of the embryo to form future organs and limbs
21.

Learning how to crawl, walk, talk, use the toilet and other basic abilities are under what developmental stage?

a)

Adolescent

b)

Middle Childhood

c)

Infancy and Early Childhood

d)

Early Adulthood

22.

Develops fears (common fears: fear of dark, fear of animals, & fear of death.

a)

Early childhood (5 years old)

b)

Early childhood (3 years old)

c)

Early childhood (4 years old)

d)

Early childhood (6 years old)

23.

age-related changes that are orderly, cumulative, and directional

a)

Development

b)

Growth

c)

Adolescent

d)

Adulthood

24.

Examines how brain, nervous system, muscles, sensory capabilities, and needs for food, drink, and sleep affect behavior.

a)

Mental Development

b)

Emotional Development

c)

Physical Development

d)

Social Development

25.

Emphasizes intellectual abilities, including learning, memory, language development, problem solving, and intelligence

a)

Mental Development

b)

Physical Development

c)

Brain Development

d)

Cognitive Development

26.

The _____________ and _________ are the two developmental patterns:

a)

Proximodistal Pattern and Cephalocaudal Pattern

b)

Personality and Social Development Pattern

c)

Infancy and Toddlerhood Pattern

d)

Human and Growth Development Pattern

27.

Which of the following is a disadvantage of asexual reproduction?

a)

the length of time required for offspring to reach maturity

b)

the amount of energy required

c)

the lack of genetic variation

d)

the amount of time required to produce offspring

28.

How does the DNA of the offspring formed from asexual reproduction compare to the parent?

a)

none of the DNA is transferred to the offspring

b)

half of the DNA is transferred to the offspring

c)

the DNA of the offspring is identical to the DNA of the parent

d)

none of these are correct

29.
How many parent(s)are needed for asexual?
a)
4
b)
1
c)
9
d)
100
30.

A zygote is formed by ___________ of a male and female gamete.

a)

fertilization

b)

division

c)

reduction

d)

addition

31.

Which describes a zygote cell?

a)

diploid

b)

haploid

c)

monoploid

d)

triploid

32.

How does a stem cell become a muscle or nerve cell

a)

activation of different genes

b)

fertilization of gametes

c)

mitosis

d)

meiosis

33.

Section of DNA that code for different traits or proteins are

a)

genes

b)

chromosomes

c)

genomes

d)

plasmid

34.

Which stage of development is the start of cell differentiation that occurs from week 2 to week 8 in humans

a)

Embryo

b)

Fetus

c)

Baby

d)

Sperm

35.

What is the structure that acts as temporary organ to allow exchange of substances between mother and foetus.

a)

umbilical cord

b)

uterus

c)

placenta

d)

amniotic sac

36.
Where does the implantation occur and the zygote develop?
a)
in the uterus
b)
in the ovary
c)
in the vagina
d)
in the fallopian tube
37.
The developing embryo is connected to the placenta by
a)
the spinal cord
b)
the umbilical cord
c)
the amniotic fluid
d)
the developing nerves
38.
Which is the correct order?
a)
embryo, fetus, zygote
b)
fetus, zygote, embryo
c)
embryo, zygote, fetus
d)
zygote, embryo, fetus
39.
The umbilical cord connects the baby to placenta. 
a)
True 
b)
False
40.

True or False: Blood mixes between the mother and fetus

a)

True

b)

False

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