Thompson Rivers University (TRU)
physioex 5: activity 1 practice questions and
answers (100% pass)
what is blood measured in? - Answer✔️✔️-ml/min
what has the greatest effect on blood flow? - Answer✔️✔️-blood vessel
radius
the diameter of the blood vessel is the same as - Answer✔️✔️-two times the
radius of the blood vessel
the opening of the blood vessel where the blood flows is called the... -
Answer✔️✔️-lumen
what do you think will happen to the flow rate if the radius is increased by
0.5 mm? - Answer✔️✔️-the flow rate will increase
do you think a graph plotted with radius on the x-axis and flow rate on the
y-axis will be linear (straight line)? - Answer✔️✔️-no
what is the driving force for blood flow? - Answer✔️✔️-pressure gradient
how does the body increase the blood vessel radius? - Answer✔️✔️-smooth
muscle relaxation
what was the variable that we altered in the activity? - Answer✔️✔️-vessel
radius
1