A. SA node decreases firing
B. Increased AV node excitability
C. Decreased ventricular contraction
D. Tachycardia
Related Mcqs:
- Increased blood viscosity and slow circulation causes______________?
A. RBC rouleax formation
B. Increased plasma skimming
C. Increased number of RBC in capillaries
D. None - Excess of cortisol causes______________?
A. Conn’s syndrome
B. Cushing ‘s syndrome
C. Acromegaly
D. Diabetes insipidus - Palsy of the right genioglossus causes______________?
A. Deviation of tongue to right
B. Deviation of tongue to left
C. Deviation of soft palate to right
D. deviation of soft palate to left - Coxsackie virus causes______________?
A. infectious mononucleosis
B. lymphoma
C. herpangina
D. herpes - The virus which causes Herpes zoster is same as that which causes______________?
A. Herpes simplex
B. Herpangina
C. Chicken pox
D. Measles - Ammonia causes______________?
A. Increase in plaque formation
B. Increase in calculus formation
C. Decrease in plaque formation
D. Causes precipitation of salivary proteins - Preganglionic parasympathetic fibers are_______________?
A. Somatic only
B. Parasympathetic
C. Sympathetic
D. Cholinergic - The preganglionic parasympathetic fibers for otic ganglion commence at________________?
A. Superior salivatory nucleus
B. Inferior salivatory nucleus
C. Nucleus of tractus solitarius
D. Lacrimatory nucleus - The cranial nerves which are part of parasympathetic card via_____________?
A. III, IV, V, VII
B. III, VII , VIII, IX
C. III, VII, IX, X
D. VII, IX, X, XI - Which of the following is false about otic parasympathetic ganglion ?
A. Secretomotor supply for the parotid gland
B. Situated at the floor of the infratemporal fossa
C. Has parasympathetic , sympathetic and sensory fibres
D. All of the above
