- Beta-adrenergic blockers
(a) decrease blood pressure.
(b) decrease the heart rate.
(c) cause bronchoconstriction.
(d) All of the above. - Selective blockers affect specific receptors while non-selective blockers
affect multiple receptors.
(a) True
(b) False - Indirect-acting sympathomimetics
(a) stimulate receptors.
(b) stimulate the release of norepinephrine from terminal nerve endings.
(c) stimulate both receptors and the release of norepinephrine from ter-
minal nerve endings.
(d) None of the above. - The saddle block can be used during childbirth
(a) True
(b) False - A local anesthetic blocks pain at the site where the medication is admin-
istered without affecting the patient’s consciousness.
(a) True
(b) False
CHAPTER 15 Nervous System Drugs^303