Please Help Confused!

Which of the following is NOT True of End diastolic volume
[EDV]
a) increased EDV => increased preload => increased stroke
volume
b) Increased EDV => Increased stretching => Increased force
of contraction
c) Increased EDV => Decreased stretching => decreased force
of contraction
d) Increased venous return => Increases End diastolic volume
[EDV] EDV

Which of the following is most abundant in the trachea and bronchi,
becoming much less dense and eventually absent in the
bronchioles?
A) smooth muscle cells
B) cartilage
C) goblet cells
D) macrophages

Blood flows through capillary beds occurs in a regulated manner.
Whish of the following is involved in the regulation of blood flow
through a capillary bed?
a) One way valves
b) Precapillary sphincters
c) Fenestration in the capillaries
d) All of the above are correct

When the hydrostatic pressure is less than that of the colloid
oncotic pressure, which of the following events occurs?
a) Filtration
b) Reabsorption
c) Dynamic equilibrium
d) Vasodilation

Why does a patient in liver failure develop edema
a) because of a decrease in oncotic pressure
b) because of an increase in oncotic pressure
c) because of a decrease in hydrostatic pressure
d) patients in liver failure do not develop edema