A. Increase in heart rate
B. Decreased vagal discharge
C. Increased sympathetic discharge
D. Decrease in blood pressure
Related Mcqs:
- 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 - Sympathetic stimulation causes ______________?
A. Arteriolar constriction
B. Ciliary muscle contraction
C. Sweat secretion
D. All of the above - 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 - Peripheral resistance is maximum in_______________?
A. Aorta
B. Artery
C. Arteriole
D. Vein - Conduction velocity is least in_______________?
A. AV node
B. SA node
C. SA node
D. Purkinje fibers - The ventricular repolarization in ECG is best seen in_______________?
A. “P” wave
B. “Q” wave
C. “R” wave
D. “T” wave - Urine urobilinogen is absent in_______________?
A. Obstructive jaundice
B. Viral hepatitis
C. Hemolytic jaundice
D. All of the above
