-
Which is not of the heart?
Both atria receive their blood supply from branches of the right and left coronary arteries
-
On a ECG, the T wave represents...
repolarization of ventricles
-
Blood from the superior vena cava enters which part of the heart?
Right atrium
-
Which blood vessels has the largest total cross-sectional area?
capillary
-
Depolariztion of the ventricle is...
clearly depicted by the QRS complex
-
As the external iliac artery enters the thigh, its name changes to the artery.
femoral
-
The pulm arteries carry blood to the...
lungs
-
The normal pattern of impulse conduction thru heart is...
SA node, AV node, bundle of HIS, Purkinje fibers
-
The effect of what substance is to increase the total blood volume?
ADH and aldosterone
-
Semilunar valves open into...
the aorta and the pulm artery
-
The muscular layer of the heart is...
the myocardium
-
Which would cause a decrease in blood viscosity?
Marked anemia
-
The correct order of the layers of the heart from deep to superficial is...
endocardium, myocardium, and epicardium
-
During BP reading, the first sound you hear is...
the systolic sound, indicating contraction of the ventricles
-
The pulse in the wrist is felt over which artery?
radial
-
Cardiac output is determined by the...
stroke volume and heart rate
|
|