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1 The heart sounds $1 and $2 are caused by
a. contraction of the ventricles.
by closing of the atrioventricular and semilunar valves.
c. opening of the atrioventricular and semilunar valves.
d. contraction of the atria and the ventricles
2 Which of the following terms refers to an abnormally elevated heart rate?
3 What takes place at capillary beds?
blood flow freely , Fluid exchange between the capillaries and the body tissue
takes place . Ce.
4 The amount of blood that flows to a tissue through capillary beds is called
C. tissue perfusion.
d. capillary refill.
5 Fill in the blanks: Blood pressure is determined by three factors: (1) Inconel oudin output
, which is a
product of heart rate and
or the amount of blood pumped with each beat; (2)
, or any impedance to blood flow, which is determined largely by the degree of
in the systemic blood vessels; and (3) the
6 The pressure in the arteries when the heart is contracting is the
a. cardiac pressure.
b. osmotic pressure.
c. diastolic pressure.
Cardiovascular System-Part III: Cardiovascular Physiology . UNIT 19 . 523...
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- Fall '18