BIOD 152 Module 4 Quiz with Verified Answers |Latest 2024/2025

BIOD 152 Module 4 Quiz with Verified
Answers.

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 _;- _;- _;- _;- _;- _;-