The reason why blood no longer passes through the foramen ovale, is initially explained
by the :
A) increase in lung resistance
B) increase in right atrial pressure
C) decrease in left atrial pressure
D) increase in left atrial pressure
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, C) decrease in left atrial pressure
When does bone start to replace cartilage?
A) fifth week
B) second month
C) third month
D) fourth month
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C) third month
Which of these is the first to develop?
A) blastocyst
B) embryo
C) morula
D) fetus
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C) morula
The ligamentum venosum is the remnant of the _____.
A) liver
B) ductus arteriosus
C) ductus venosus
D) umbilical vein
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C) ductus venosus
The structure which implants in the endometrium is correctly termed a _____.
A) embryo
B) blastocyst
C) morula
D) zygote
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B) blastocyst
What is the origin of fetal blood cells?
A) chorion
B) amnion
C) yolk sac
D) allantois
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C) yolk sac
The embryonic period lasts from the second week through _____ week.
A) third
B) fourth
by the :
A) increase in lung resistance
B) increase in right atrial pressure
C) decrease in left atrial pressure
D) increase in left atrial pressure
Give this one a try later!
, C) decrease in left atrial pressure
When does bone start to replace cartilage?
A) fifth week
B) second month
C) third month
D) fourth month
Give this one a try later!
C) third month
Which of these is the first to develop?
A) blastocyst
B) embryo
C) morula
D) fetus
Give this one a try later!
C) morula
The ligamentum venosum is the remnant of the _____.
A) liver
B) ductus arteriosus
C) ductus venosus
D) umbilical vein
, Give this one a try later!
C) ductus venosus
The structure which implants in the endometrium is correctly termed a _____.
A) embryo
B) blastocyst
C) morula
D) zygote
Give this one a try later!
B) blastocyst
What is the origin of fetal blood cells?
A) chorion
B) amnion
C) yolk sac
D) allantois
Give this one a try later!
C) yolk sac
The embryonic period lasts from the second week through _____ week.
A) third
B) fourth
