Activation of the sympathetic nervous system
a. causes the pupils of the eye to dilate.
b. causes the release of ACh.
c. stimulates peristaltic contractions of the
intestinal system.
d. slows heartbeat and lowers blood pressure.
e. allows the body to relax rather than prepare for
fight or flight.
Answer: a
You might also like to view...
The research by Natalie De Witt and Michael Sussman showed that proton pump AHA3 is localized in the membrane of companion cells of the source tissue. The function of this pump is to move _____
A) protons from inside of companion cell to outside B) protons from outside of companion cell to inside C) protons inside of companion cell to source cell D) protons and sucrose from inside of companion cell to outside E) protons and sucrose from outside of companion cell to inside
Researchers can cut DNA at specific base sequences using ________
a. DNA ligase b. restriction endonucleases c. cloning vectors d. probes
Which of the following is likely to have the most toxic side effects to humans?
A. Inhibitors of protein synthesis B. Inhibitors of cell wall synthesis C. Disrupters of cell membrane structure D. Inhibitors of DNA synthesis
Which major class of nutrients is primarily responsible for providing that full feeling after a meal?
A. carbohydrates B. nucleic acids C. fats D. water