(A) It contains afferent and efferent fibres.
(B) It contains parasympathetic pregang fibres.
(C) It produces micturition.
(D) It causes increased peristaltic movement of the intestinal wall.
(A) Relaxation of the wall of rectum and contraction of the internal anal sphincter.
(B) V.C. of the blood vessels in the external genitalia causing erection of penis.
(C) Contraction of the bladder wall and relaxation of the internal urethral sphincter.
(D) Contraction of smooth muscles in the male sexual passages causing ejaculation.
(E) Relaxation of the external urethral and anal sphincters.
(A) It is the nerve of erection (= nervus erigenes).
(B) It is motor to the urinary bladder and distal half of the large intestine.
(C) It is inhibitory to both the internal anal and urethral sphincters.
(D) It has no postganglionic nerve fibres.
(A) Are important in emergency conditions.
(B) Play important functions in the skin and skeletal muscles.
(C) Tend to have longer postganglionic fibres than pregang fibres.
(D) Are catabolic in their actions.
(E) Mainly exert opposite effects to those of the sympathetic nerves.
(B) V.D. in the cutaneous blood vessels.
(C) Disturbance of sweat secretion.
(D) Lack of erection of the penis in males and clitoris in females.
(E) Relaxation of the internal anal and urethral sphincters.
(A) V. C. and secretion.
(B) V.D. and secretion.
(C) V.D. and inhibition of secretion.
(D) Secretion of scanty viscous saliva.
(A) Acceleration of the heart.
(B) Relaxation of the GIT wall
(C) V.D. of coronary artery.
(D) Dilatation of the pupil.
(E) Contraction of the urinary bladder wall.
(A) It is synthesized & released by some sympath postgang nerve fibres.
(B) It is the chemical transmitter released by all pregang nerve fibres.
(C) It is not related to accommodation
(D) It is liberated by all parasympathetic postganglionic nerve fibres.
(A) Stimulation of the greater splanchnic nerve causes adrenomedullary secretion
(B) Acetylcholine is normally present at low concentrations in the blood.
(C) Intravenous injection of acetylcholine does not cause exactly the same effects as parasympathetic stimulation.
(D) The dilator pupillae muscle contains alpha adrenergic receptors.
(E) Stimulation of the postganglionic nerve fibres arising from the collateral ganglia causes secretion from the adrenal (suprarenal) medulla.
(A) All preganglionic nerve endings.
(B) The sympathetic postganglionic supply to the blood vessels in skeletal muscles.
(C) The parasympathetic postganglionic supply to the heart.
(D) The sympathetic postganglionic supply to the sweat glands.
(E) The parasympathetic postganglionic supply to the GIT.
(A) Are not stimulated by epinephrine.
(B) When stimulated they reduce the gastrointestinal motility.
(C) Are blocked by propranolol.
(D) increase heart rate.
(A) Dilatation of the bronchial muscle.
(B) Relaxation of the sphincters in the alimentary canal.
(C) Fall in the cardiac output.
(D) None of the above
(B) Pupil dilatation.
(C) Spleen contraction.
(D) Relaxation of intestinal wall.
(E) increased cardiac activity.