Stimulation of baroreceptors results in_______________?

Related Mcqs:

1. Parasympathetic stimulation of heart causes______________?

   A. SA node decreases firing
   B. Increased AV node excitability
   C. Decreased ventricular contraction
   D. Tachycardia

2. 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

3. Sympathetic stimulation causes ______________?

   A. Arteriolar constriction
   B. Ciliary muscle contraction
   C. Sweat secretion
   D. All of the above

4. Vagal stimulation following intake of food does not affect secretion of_______________?

   A. Stomach
   B. Pancrease
   C. Parotid
   D. Gall bladder

5. Which of the following anesthetic drugs produces powerful stimulation of the cerebral cortex_____________?

   A. Cocaine
   B. Procaine
   C. Lidocaine
   D. Tetracaine

6. 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

7. Peripheral resistance is maximum in_______________?

   A. Aorta
   B. Artery
   C. Arteriole
   D. Vein

8. Conduction velocity is least in_______________?

   A. AV node
   B. SA node
   C. SA node
   D. Purkinje fibers

9. The ventricular repolarization in ECG is best seen in_______________?

   A. “P” wave
   B. “Q” wave
   C. “R” wave
   D. “T” wave

10. Urine urobilinogen is absent in_______________?

    A. Obstructive jaundice
    B. Viral hepatitis
    C. Hemolytic jaundice
    D. All of the above