BIOD 152 Module 4 Quiz with Verified Answers |Latest 2024/2025
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Course
BIOD 152
Institution
BIOD 152
What is an average blood pressure? 120/80 mmHG
What is the blood pressure like in different parts of the body? -Aorta: highest pressure
-Arteries & arterioles: starts to fall (this is when the different btwn systolic and diastolic starts to diminish)
-Capillaries: slow & even to allow for ...
What is an average blood pressure?
_;- _;- _;- _;- _;- _;-_;- _;- 120/80 mmHG _;-
What is the blood pressure like in different parts of the body?
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;-
-Aorta: highest pressure
_;- _;- _;-
-Arteries & arterioles: starts to fall (this is when the different
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
btwn systolic and diastolic starts to diminish)
_;- _;- _;- _;- _;- _;-
-Capillaries: slow & even to allow for diffusion of gasses & waste
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
-Veins: super low _;- _;-
How can veins return blood to the heart if the pressure is so
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
low? -venous walls
_;-_;- _;- _;-
-valves
-muscular contraction _;-
Which systems help regulate heart rate?
_;- _;- _;- _;- _;- _;-_;- _;- Nervous system _;- _;-
and endocrine
_;-
,Describe the location of the heart to the diaphragm
_;- The
_;- _;- _;- _;- _;- _;- _;- _;-_;- _;- _;-
diaphragm is located inferior to the heart. (The heart is located
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
superior to the diaphragm) _;- _;- _;-
The two upper chambers of the heart are called
_;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- Atria
The two lower chambers of the heart are called
_;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- Ventricles
What is the purpose of the fossa ovalis in the fetus
_;- _;- _;- It allows _;- _;- _;- _;- _;- _;- _;- _;-_;- _;- _;- _;-
fetal blood to move directly from right to left atrium, bypassing
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
the underdeveloped lungs can receive oxygen once the baby is
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
born
What is the purpose of the mitral valve?
_;- _;- The mitral valve
_;- _;- _;- _;- _;- _;-_;- _;- _;- _;- _;-
(bicuspid) controls the flow of blood from the left atrium into
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
the left ventricle.
_;- _;-
What is the purpose of veins?
_;- _;- _;- _;- _;- _;-_;- _;- Veins carry blood back to the
_;- _;- _;- _;- _;- _;-
heart
T or F: Veins are primarily responsible for the vessels ability to
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
control peripheral False- The arterioles
_;- _;-_;- _;- _;- _;-
, How does the contraction and relaxation of the arterioles help
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-
to control blood pressure?
_;- Contracting the arterioles
_;- _;- _;-_;- _;- _;- _;- _;-
increases the blood pressure through decreasing the available
_;- _;- _;- _;- _;- _;- _;- _;-
volume. Relaxation of the arterioles decreases blood pressure as
_;- _;- _;- _;- _;- _;- _;- _;- _;-
the volume increases.
_;- _;-
What does compliance mean? _;- _;- _;- _;-_;- _;- Stretch with little recoil. _;- _;- _;-
What are the three layers of a vessel
_;- Tunica externa
_;- _;- _;- _;- _;- _;- _;-_;- _;- _;- _;-
(superficial), tunica media, Tunica intima (closest to the lumen)
_;- _;- _;- _;- _;- _;- _;- _;-
T or F: Only arteries contain tunica media.
_;- _;- _;- False- all vessels
_;- _;- _;- _;- _;-_;- _;- _;- _;- _;-
contain three layers but in differing proportions
_;- _;- _;- _;- _;- _;-
Capillaries are interconnected to form _;- _;- _;- _;- _;-_;- _;- Capillary beds _;-
The aortic arch becomes the _____ as it moves inferiorly
_;- _;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-
Descending aorta _;-
What are the three branches off the aortic arch?
_;- _;- _;- _;- _;- _;- _;- _;- _;-_;- _;-
Brachiocephalic trunk, Left common carotid, left subclavian _;- _;- _;- _;- _;- _;-
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