BIOM 525 Quiz 2 Questions and Answers-

Which of these cranial nerve nuclei is a component of the sympathetic nervous system? Selected Answer: a. CN III Correct Answer: d. None of these  Question 2 2.5 out of 2.5 points Which of the following actions is/are mediated by β2 receptors: Selected Answer: d. dilation of airways and relaxation of bladder wall Correct Answer: d. dilation of airways and relaxation of bladder wall  Question 3 0 out of 2.5 points Which of the following actions are mediated by muscarinic receptors? Selected Answers: d. contraction of gastrointestinal sphincters e. erection Correct Answers: a. Slowing of conduction velocity in AV node b. gastric acid secretion e. erection g. sweating on a hot day  Question 4 2.5 out of 2.5 points Which adrenergic receptor produces its stimulatory effects by the formation of inositol 1,4,5-triphosphate (IP3) and an increase in intracellular [Ca2+]