Which of the following accurately describes sympathetic control of blood vessels in the skin during thermoregulation?
A) Heat causes a decrease in sympathetic activity, resulting in vasoconstriction.
B) Heat causes an increase in sympathetic activity, resulting in vasodilation.
C) Heat causes an increase in sympathetic activity, resulting in vasoconstriction.
D) Heat causes a decrease in sympathetic activity, resulting in vasodilation.
E) Heat activates the parasympathetic activity and has no effect on the sympathetic nervous
system.
Answer: D) Heat causes a decrease in sympathetic activity, resulting in vasodilation.
You might also like to view...
Scientists recently cloned Louis Pasteur and put him back to work in a modern lab. He promptly developed a gel that breaks down proteins. Since he hasn't been around for some time,
he's unsure what the best application for his invention might be. Help him out. What pathogenic item in this gel would be most effective and safe at eliminating? A. Viroids on the surface of agricultural plant tissues B. Prions inside the central nervous system of cows C. Viruses on the surface of the skin D. Bacteria in the intestines of human beings E. The fungus that causes athlete's foot between people's toes
Antisense RNA is the complement of the plus strand and may be useful in inhibiting translation
Indicate whether this statement is true or false.
The enzyme telomerase is essential for unlimited cell division because
A) it is essential for DNA replication initiation at origins of replication. B) a lack of telomerase will result in chromosome shortening and cell death. C) it is essential for kinetochore attachment to the spindles. D) a lack of telomerase results in decreased p53 activity.
The general public needs to have an understanding of science in order to make informed decisions about the future of our species.
Answer the following statement true (T) or false (F)