A&P III EXAM 2- CHAMBERLAIN

A&P III EXAM 2- CHAMBERLAIN 2025-2026




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, A&P III Exam 2- Chamberlain
Question 1
The right AV valve is also known as what?
Correct Answer
Tricuspid valve


Question 2
The left AV valve is also known as what?
Correct Answer
Bicuspid or Mitral valve


Question 3
What do valves do?
Correct Answer
Ensure one-way flow of blood through the heart


Question 4
What is cardiac output?
Correct Answer
The amount of blood ejected by each ventricle in one minute


Question 5
Exercise makes the heart work harder which _____________ cardiac output
Correct Answer
increases


Question 6
At the beginning of exercise ____________ in the muscles and joints send signals to the cardiac
centers.
Correct Answer
Proprioceptors


Question 7
Sympathetic output from the cardiac centers ___________ cardiac output.
Correct Answer
Increases


Question 8
As the exercise progresses, muscular activity __________ venous return.
Correct Answer
Increases


Question 9

, This increases the preload on the ________ ventricle and then the ________ ventricle as more
blood flows through the pulmonary circuit and reaches the left heart.
Correct Answer
Right; Left


Question 10
Sustained exercises causes what?
Correct Answer
Hypertrophy


Question 11
The innermost layer of a blood vessel is?
Correct Answer
Tunica intima


Question 12
The middle layer of a blood vessel is?
Correct Answer
Tunica media


Question 13
The outermost layer of a blood vessel is?
Correct Answer
Tunica externa


Question 14
Tunica interna (intima) consist of what simple squamous epithelium?
Correct Answer
Endothelium


Question 15
Tunica media consist of what?
Correct Answer
Smooth muscle with a framework of elastic collagen and is the thickest layer


Question 16
Tunica externa (adventitia)
Correct Answer
Areolar connective tissue with elastic and collagen fibers


Question 17
Capillaries only consist of what?
Correct Answer
Basement membrane and endothelium layer