These major large blood vessels carry blood away from the heart. - correct answer ✔✔Arteries
All of the following are blood vessels except - correct answer ✔✔Lacteals
The only blood vessel that allows gas exchange to occur between blood and tissues is - correct answer
✔✔Capillaries
These blood vessels connect arteries to capillaries - correct answer ✔✔Arterioles
Vasodilation of an arteriole will cause - correct answer ✔✔Decrease in blood pressure & increase in
diameter
The lining of the capillaries are composed of - correct answer ✔✔Endothelium
Blood flow in a capillary bed is regulated by - correct answer ✔✔Precapillary sphincters
All of the following are exchanged in capillaries except - correct answer ✔✔Plasma proteins
Which of the following help facilitate the movement of blood back to the heart - correct answer ✔✔A, B
and C
The _____ divides and separates the right side of the heart from the left side - correct answer
✔✔Septum
This valve allows blood to flow from the left atrium to left ventricle - correct answer ✔✔Mitral and
Bicuspid valve (A and B)
, Which of the following structures open and close the atrioventricular valves - correct answer
✔✔Chordae tendineae & Papillary muscle (A & C)
The circulatory system that supplies blood to and from the heart muscle - correct answer ✔✔Coronary
circuit
If a doctor hears a swishing or whistling sound in the heart you will be diagnosed with a/an - correct
answer ✔✔Heart murmur
The heart is surrounded by a membranous tissue called the - correct answer ✔✔Pericardium
When part of a patient's heart is replaced by an animal cardiac tissue it is called a/an - correct answer
✔✔Xenotransplantation
This is the heart's pacemaker which triggers atrial contraction - correct answer ✔✔Sinoatrial node (SA
node)
This component of the cardiac conduction system distributes the electrical signal to the atria to signal
them to contract. - correct answer ✔✔Sinoatrial node
When the heart is filling with blood it is relaxed and this phase is called - correct answer ✔✔Diastole
The AV valves are closed during - correct answer ✔✔Ventricular systole
If you increase stroke volume it will increase - correct answer ✔✔Cardiac output
Which component of an ECG/EKG detects the electrical signal that stimulates the atria to contraction -
correct answer ✔✔P wave
If the SA node is faulty and is causing arrhythmias a/an _______ can be used to override the SA node -
correct answer ✔✔Artificial pacemaker
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