A. Arteriolar constriction
B. Ciliary muscle contraction
C. Sweat secretion
D. All of the above
Related Mcqs:
- Sympathetic innervation of heart is by_______________?
A. T1 – T3
B. T2 – T6
C. T3 – T7
D. L1 – L5 - All of the following are features of an injury to the cerival sympathetic trunk EXCEPT_____________?
A. Anhydrosis
B. Enophthalmos
C. Mydriasis
D. Ptosis - Parasympathetic stimulation of heart causes______________?
A. SA node decreases firing
B. Increased AV node excitability
C. Decreased ventricular contraction
D. Tachycardia - Stimulation of barorceptor leads to ________________?
A. Increased blood pressure, increased heart rate
B. Decreased B.P , decreased heart rate
C. Increased B.P, decreased heart rate
D. Decreased B.P, increased heart rate - Stimulation of baroreceptors results in_______________?
A. Increase in heart rate
B. Decreased vagal discharge
C. Increased sympathetic discharge
D. Decrease in blood pressure - Vagal stimulation following intake of food does not affect secretion of_______________?
A. Stomach
B. Pancrease
C. Parotid
D. Gall bladder - Which of the following anesthetic drugs produces powerful stimulation of the cerebral cortex_____________?
A. Cocaine
B. Procaine
C. Lidocaine
D. Tetracaine - Neusea and vomiting that are associated with administration of opioid analgesic is the result of stimulation of the_____________?
A. Limbic system
B. Emetic system
C. Chemoreceptor trigger zone (CTZ)
D. Opioid receptors in G.I.T - The hormone whose deficiency causes diabetes insipidus is released from which nucleus of pituitary ________________?
A. Supraoptic
B. Pre optic
C. Suprachiasmatic
D. Paraventricular - All the following causes the secretion of gastric juice during cephalic phase EXCEPT______________?
A. Food in the mouth
B. Sight of food
C. Food in the stomach
D. Thought of food