A P II 2026 DIGESTIVE AND METABOLIC
PROCESSES REVIEW PAPER ANSWERS
VERIFIED SUMMARY SHEET
◉ Cardiac muscle cells use _____ ions for the plateau phase of the
action potential.
a. calcium
b. potassium
c. sodium
d. chloride
Answer: a. calcium
◉ Pressure in the ventricles is greatest when
a. they are filling
b. they are relaxed
c. they are in diastole
d. they are in systole
Answer: d. they are in systole
,◉ During ventricular systole, AV valves close because
a. atrial pressure decreases
b. atrial pressure increases
c. ventricular pressure decreases
d. ventricular pressure increases
Answer: d. ventricular pressure increases
◉ Blood flow would be increased by
a. decreasing vessel diameter
b. increasing blood vessel length
c. increasing cardiac output
d. decreasing blood pressure
Answer: c. increasing cardiac output
◉ Fluids would be likely to leave or filter out of the capillary if:
a. osmotic pressure in the capillary is high
b. net hydrostatic pressure is greater than net osmotic pressure
c. net hydrostatic pressure is less than net osmotic pressure
d. net filtration pressure is negative
,Answer: b. net hydrostatic pressure is greater than net osmotic
pressure
◉ The resistance that has the most effect on blood pressure is from
a. length of blood vessels
b. diameter of blood vessels
c. viscosity of blood
d. none of these
Answer: b. diameter of blood vessels
◉ Blood flow through the tissues is responsible for
a. urine formation
b. removal of wastes from tissue cells
c. gas exchange in the lungs
d. all of these
Answer: d. all of these
◉ Which type of blood vessel has the most elastic tissue?
a. arteries
, b. veins
c. capillaries
d. venules
Answer: a. arteries
◉ True/False: Fever is seldom beneficial because it speeds up the
cellular metabolic rate and will not allow antigen-antibody reactions
to occur.
Answer: False
◉ The two intrinsic defense systems have many components. Which
of the following cell types is not a contributor to specific immunity
a. natural killer cells
b. plasma cells
c. t-cells
d. b-cells
Answer: a. natural killer cells
◉ Which of the following is not a sign of inflammation?
a. redness
PROCESSES REVIEW PAPER ANSWERS
VERIFIED SUMMARY SHEET
◉ Cardiac muscle cells use _____ ions for the plateau phase of the
action potential.
a. calcium
b. potassium
c. sodium
d. chloride
Answer: a. calcium
◉ Pressure in the ventricles is greatest when
a. they are filling
b. they are relaxed
c. they are in diastole
d. they are in systole
Answer: d. they are in systole
,◉ During ventricular systole, AV valves close because
a. atrial pressure decreases
b. atrial pressure increases
c. ventricular pressure decreases
d. ventricular pressure increases
Answer: d. ventricular pressure increases
◉ Blood flow would be increased by
a. decreasing vessel diameter
b. increasing blood vessel length
c. increasing cardiac output
d. decreasing blood pressure
Answer: c. increasing cardiac output
◉ Fluids would be likely to leave or filter out of the capillary if:
a. osmotic pressure in the capillary is high
b. net hydrostatic pressure is greater than net osmotic pressure
c. net hydrostatic pressure is less than net osmotic pressure
d. net filtration pressure is negative
,Answer: b. net hydrostatic pressure is greater than net osmotic
pressure
◉ The resistance that has the most effect on blood pressure is from
a. length of blood vessels
b. diameter of blood vessels
c. viscosity of blood
d. none of these
Answer: b. diameter of blood vessels
◉ Blood flow through the tissues is responsible for
a. urine formation
b. removal of wastes from tissue cells
c. gas exchange in the lungs
d. all of these
Answer: d. all of these
◉ Which type of blood vessel has the most elastic tissue?
a. arteries
, b. veins
c. capillaries
d. venules
Answer: a. arteries
◉ True/False: Fever is seldom beneficial because it speeds up the
cellular metabolic rate and will not allow antigen-antibody reactions
to occur.
Answer: False
◉ The two intrinsic defense systems have many components. Which
of the following cell types is not a contributor to specific immunity
a. natural killer cells
b. plasma cells
c. t-cells
d. b-cells
Answer: a. natural killer cells
◉ Which of the following is not a sign of inflammation?
a. redness
