Oxygen has what effect on systemic arterioles?
A) vasoconstriction and vasospasm
B) vasospasm
C) vasodilation
D) vasoconstriction
E) neither vasodilation or vasoconstriction, but may cause vasospasm
Ans: D) vasoconstriction
You might also like to view...
Plasmids are short sequences of DNA used as primers in PCR
a. True b. False Indicate whether the statement is true or false
Recombination frequency for two genes is a function of the ____
a. distance between the two genes on a single chromosome b. overall size of the chromosome on which the genes are located c. distance between the two chromosomes on which the two genes are located d. relative sizes of the two chromosomes on which the two genes are located e. sex of the parent that supplies each gene
Which of the following is used to reduce or eliminate the source of an infection?
A. Destruction of an animal reservoir of the infectious agent B. Treatment of sewage to reduce water contamination C. Destruction of vectors by spraying insecticides D. All of the choices are used to reduce or eliminate the source of an infection.
A pathogen is an organism that causes disease.
a. true b. false