Which valve guards the base of the aorta and opens when the ventricles are
contracting
~ aortic semilunar valve
Microscopic vessels composed of simple squamous epithelial cells are called
~ capillaries
A person with a heart rate of 75 beats per minute and a stroke volume of 60 mL per
beat ...
BIO 202 Arizona College
Questions and Answers
Which valve guards the base of the aorta and opens when the ventricles are
contracting
✓~ aortic semilunar valve
Microscopic vessels composed of simple squamous epithelial cells are called
✓~ capillaries
A person with a heart rate of 75 beats per minute and a stroke volume of 60 mL per
beat has a cardiac output of:
✓~ 4500 mL/minute
Resting, filling, and dilation describe which of the following?
✓~ Diastole
Correct. Resting, filling, and dilation describe diastole.
Blood is returned to the heart from all body parts by the
, ✓~ veins.
The sinoatrial node is located in the:
✓~ right atrium
Which one of the following represents the correct path for the transmission of an
impulse in the intrinsic conduction system of the heart:
✓~ sinoatrial (SA) node, atrioventricular (AV) node, atrioventricular (AV) bundle, right and
left bundle branches, Purkinje fibers
Which one is the correct sequence going from the outermost to the innermost layer
of a blood vessel wall:
✓~ superior and inferior vena cava
The tricuspid valve is located between the:
✓~ right atrium and right ventricle
The proper spelling for the term describing hardening of the arteries is:
✓~ arteriosclerosis.
The right AV valve is known as the:
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