When vasodilation doubles the vessel diameter, what is the change in resistance?
A. Doubles (twice the original value)
B. Reduced to 1/16th of the original value
C. Reduced by 1/4th of the original value
D. Reduced by half
Answer: B
You might also like to view...
Which term best describes the function of blood when considering the presence of carbon dioxide and endocrine hormones?
A. Regulation B. Protection C. Prevention D. Transportation
If a 10% sucrose solution is separated from a 20% sucrose solution by a membrane permeable to sucrose, in which direction will net diffusion of sucrose take place?
A) from the 10% sucrose solution to the 20% sucrose solution and from the 20% sucrose solution B) from the 10% sucrose solution to the 20% sucrose solution C) neither from the 10% sucrose solution to the 20% sucrose solution nor from the 20% sucrose solution to the 10% sucrose solution D) from the 20% sucrose solution to the 10% sucrose solution E) There will be no diffusion in this case.
What aspect of the membrane prevents water soluble substances from crossing the membrane?
a. membrane phospholipids. b. how much cholesterol is present. c. the number and types of membrane proteins. d. the charge of the membrane. e. none of these answers.
Dietary fats are absorbed by lacteals found in the haustra of the large intestine.
Answer the following statement true (T) or false (F)