Embryology Test ACTUAL EXAM [QUESTION 1- 200] AND
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________ are identical cells that are produced by early cleavage.
A) Gastrulas
B) Amnions
C) Blastomeres
D) Blastulas
E) Morulas - CORRECT ANS ***C
________ is the time spent in prenatal development.
A) Gestation
B) Childhood
C) adulthood - CORRECT ANS ***A
________ oppose the calming actions of progesterone.
A) Prostaglandin levels
B) Rising Oxytocin levels
C) Rising estrogen levels
D) all of the above
E) none of the above - CORRECT ANS ***D
A blastocyst is a(n)
A) Membrane that forms the urinary bladder.
B) Extraembryonic membrane that forms blood vessels.
C) Hollow ball of cells.
D) Solid ball of cells.
E) Portion of the placenta. - CORRECT ANS ***C
, After fertilization, the first cell division is completed
A) about 6 hours later
B) in 12 hours
C) within a few seconds
D) within the hour
E) more than a day later - CORRECT ANS ***E
All of the following are true during oocyte activation, except that
A) Other sperm are prohibited from fertilizing the egg.
B) The ovum completes meiosis II.
C) The metabolic rate of the oocyte increases.
D) The cortical reaction occurs.
E) The ovum begins mitosis. - CORRECT ANS ***E
All of the following are true of amniotic fluid, except that
A) It is found in the amniotic cavity.
B) It serves as a cushion to the fetus.
C) It surrounds the developing fetus.
D) It consistently leaks out during the pregnancy term.
E) It helps the fetus to be protected. - CORRECT ANS ***D
All of the following occur at puberty, except that
A) LH levels decline.
B) Levels of sex hormones rise.
C) FSH levels rise.
D) Gametogenesis begins.
E) Secondary sexual characteristics begin to become apparent. - CORRECT ANS ***A
At the point in time when the head and tail folds form, the
ANSWERS UPDATED 2026/2027| 100% VERIFIED|DETAILED
RATIONALES –PASS GUARANTEED A+ GRADED |INSTANT
DOWNLOAD
________ are identical cells that are produced by early cleavage.
A) Gastrulas
B) Amnions
C) Blastomeres
D) Blastulas
E) Morulas - CORRECT ANS ***C
________ is the time spent in prenatal development.
A) Gestation
B) Childhood
C) adulthood - CORRECT ANS ***A
________ oppose the calming actions of progesterone.
A) Prostaglandin levels
B) Rising Oxytocin levels
C) Rising estrogen levels
D) all of the above
E) none of the above - CORRECT ANS ***D
A blastocyst is a(n)
A) Membrane that forms the urinary bladder.
B) Extraembryonic membrane that forms blood vessels.
C) Hollow ball of cells.
D) Solid ball of cells.
E) Portion of the placenta. - CORRECT ANS ***C
, After fertilization, the first cell division is completed
A) about 6 hours later
B) in 12 hours
C) within a few seconds
D) within the hour
E) more than a day later - CORRECT ANS ***E
All of the following are true during oocyte activation, except that
A) Other sperm are prohibited from fertilizing the egg.
B) The ovum completes meiosis II.
C) The metabolic rate of the oocyte increases.
D) The cortical reaction occurs.
E) The ovum begins mitosis. - CORRECT ANS ***E
All of the following are true of amniotic fluid, except that
A) It is found in the amniotic cavity.
B) It serves as a cushion to the fetus.
C) It surrounds the developing fetus.
D) It consistently leaks out during the pregnancy term.
E) It helps the fetus to be protected. - CORRECT ANS ***D
All of the following occur at puberty, except that
A) LH levels decline.
B) Levels of sex hormones rise.
C) FSH levels rise.
D) Gametogenesis begins.
E) Secondary sexual characteristics begin to become apparent. - CORRECT ANS ***A
At the point in time when the head and tail folds form, the
