BIOD 152 Module 4 Exam
,Question 3
pts
Which layer of heart is composed of the contractile cardiac muscle?
Pericardium
Endocardium
Correct!
Myocardium
Mediastinal
Question 4
pts
What is the purpose of the fossa ovalis in a fetus?
Your Answer:
fossa ovalis is a shallow depression on septum and seperates atria. it allows fetal blood
to directly move from right atrium to the left
The fossa ovalis marks the place of an opening between the atria which is present
in all developing fetuses. It allows fetal blood to move directly from right to left
atrium, bypassing he undeveloped lungs. The fossa ovalis closes during birth so
that the lungs can receive oxygen once the baby is born.
Question 5
pts
Label the figure below (A-E):
A:
B:
C:
, D: (In blue)
E:
Your Answer:
A) superior vene cava
B) right atrium
C) tricaspid valve
D) left ventricle
E)pulmunary valve
,Question 3
pts
Which layer of heart is composed of the contractile cardiac muscle?
Pericardium
Endocardium
Correct!
Myocardium
Mediastinal
Question 4
pts
What is the purpose of the fossa ovalis in a fetus?
Your Answer:
fossa ovalis is a shallow depression on septum and seperates atria. it allows fetal blood
to directly move from right atrium to the left
The fossa ovalis marks the place of an opening between the atria which is present
in all developing fetuses. It allows fetal blood to move directly from right to left
atrium, bypassing he undeveloped lungs. The fossa ovalis closes during birth so
that the lungs can receive oxygen once the baby is born.
Question 5
pts
Label the figure below (A-E):
A:
B:
C:
, D: (In blue)
E:
Your Answer:
A) superior vene cava
B) right atrium
C) tricaspid valve
D) left ventricle
E)pulmunary valve
