The velocity of conduction in the Purkinjie fibers of the heart is__________________?

Related Mcqs:

1. Conduction velocity is least in_______________?

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

2. Preganglionic parasympathetic fibers are_______________?

   A. Somatic only
   B. Parasympathetic
   C. Sympathetic
   D. Cholinergic

3. Unmyelinated fibres differ from myelinated fibers in that they ______________?

   A. Have increased excitability
   B. Have to nodes of Ranvier
   C. Have no power of regeneration
   D. Have no association of Schwann cells

4. Group B fibers are present in_____________?

   A. Intrafusal fibers of the muscle spindle
   B. Golgi tendon apparatus
   C. Autoonomic preganglionic fibers
   D. Spinothalamic tracts

5. The number of muscle fibers in a motor unit are least in______________?

   A. Laryngeal muscles
   B. Pharyngeal muscles
   C. Muscles of middle ear
   D. Extraocular muscles

6. Sensory nerve fibers to posterior one third of the tongue is supplied by ______________?

   A. XII cranial nerve
   B. IX cranial nerve
   C. X cranial nerve
   D. VII cranial nerve

7. 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

8. Secretomotor fibers to the submandibular salivary gland are carried in all the following except_____________?

   A. Facial
   B. Chorda tympani
   C. Mylohyoid
   D. Lingual

9. Position and movement of articular disc of TMJ is controlled by fibers of_____________?

   A. Lower head of lateral pterygoid muscle
   B. Sphenomandibular ligament
   C. Superficial head of medial pterygoid muscle
   D. Upper head of lateral pterygoid muscle

10. Which type of collagen fibers demonstrates Chicken wire configuration ?

    A. Type I
    B. Type II
    C. Type III
    D. Type IV