HLTH 310 - Test 2 || Questions and 100% Accurate Answers.
Cleavage produces daughter cells called
Question options:
trophoblasts
blastomeres
blastocysts
morulae correct answers blastomeres
Which germ layer gives rise to the epidermis (epithelial layer) of the skin?
Question options:
neural crest
ectoderm
endoderm
mesoderm correct answers ectoderm
XY individuals with complete androgen insensitivity would have the following characteristics:
Question options:
lack testes, have female internal and external genitalia
have testes, lack both male and female internal genitalia, have female external genitalia
have testes, have female internal and external genitalia
lack testes, lack both male and female internal genitalia, have female external genitalia correct
answers have testes, lack both male and female internal genitalia, have female external genitalia
All of the following are functions of the yolk sac, EXCEPT
Question options:
source of primordial germ cells
shock absorption
primitive blood circulation
nutrient supply correct answers shock absorption
Which of the tissues numbered below will form the actual embryo?
Question options:
5
4
1
2 correct answers 5
The tissue which forms the bulk of the embryo's contribution to the placenta is the
Question options:
amnion
decidua basalis
yolk sac
chorion correct answers chorion
The amnion envelops the entire embryo following which process?
What is the function of the ductus venosus shunt?
Question options:
The role of this shunt is to direct the oxygenated blood coming from the placenta away from the
immature liver and toward the heart so it can be pumped into the fetal circulation.
The role of this shunt is to direct de-oxygenated blood toward the umbilical arteries.
This shunt connects the aorta with the pulmonary artery to direct blood flow away from the
immature lungs.
This shunt connects the left and right atria in the heart. correct answers The role of this shunt is
to direct the oxygenated blood coming from the placenta away from the immature liver and
toward the heart so it can be pumped into the fetal circulation.
Which of the following processes occurs FIRST?
Question options:
beating of heart
production of surfactant
gastrulation
neurulation correct answers gastrulation
Which of the following structures develop from somites?
Question options:
brain
gut
axial skeleton
heart correct answers axial skeleton
A mutation in the enzyme that converts testosterone to dihydrotestosterone (DHT) is likely to
cause which of the following birth defects?
Question options:
Syndactyly
Cleft palate
Hypospadia
Phocomelia correct answers Hypospadia
An abnormally high level of maternal serum alpha-fetal protein could be due to all of the
following, EXCEPT
Question options:
defect in abdominal wall
open neural tube defect
inaccurate gestational age
cleft palate correct answers cleft palate
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