CARDIO AND ECG 75 question NA-:.docx - CA101 WEEK 3 CH...

CA101 WEEK 3 CH CARDIO ECG
Multiple Choice
Identify the choice that best completes the statement or answers the question.
__A__ 1.
Which heart chamber receives oxygenated blood from the lungs?
a. Left atrium
b. Right atrium
c. Left ventricle
d.
Right ventricle
_C___ 2.
What is the principal sign of coronary artery disease?
A bruit noted during auscultation in the area of a blood vessel often is a sign of
The _________ are the blood vessels that carry oxygen-rich blood from the lungs to the heart.
The ______________ is the saclike membrane surrounding the heart.
a. endocardium
b. bundle of His
c. pericardium
d. sinoatrial node
__D__ 6.
Sensitive tissue in the right atrium wall that initiates the heartbeat is known as the
Blood vessels branching from the aorta to carry oxygen-rich blood to the heart muscle are called

8.
In the conduction system of the heart, which of the following is responsible for collecting the
electrical energy that stimulated the atria to contract?
__D__ 9.
The signal from the AV node is picked up by which of the following?
a. Atrioventricular node
b. Aorta
c. Purkinje fibers
d. Bundle of His
__B__ 10.
The part of the conduction system of the heart that wraps around the outer walls of the ventricles
is/are the
The blood vessel branching from the heart that carries deoxygenated blood to the lungs is called the