physiology MCQs – Page 26

A. Have increased excitability

B. Have no power of regeneration

C. Have no association of Schwann cells

A. Mitosis of schwann cell

C. Sprouting

D. Myelin degeneration

A. Tremor

B. Hemiballismus

C. Athetosis

A. Increased blood pressure, increased heart rate

B. Increased B.P, decreased heart rate

C. Decreased B.P, increased heart rate

A. Increases heart rate

C. Increases oxygen uptake by heart

D. Increases force of contraction

A. is capable of generating impulses

B. Has poor cholinergic innervation

C. Has rich sympathetic innervation

A. Parathyroid gland

C. Pyramidal tract

D. Pain pathway

A. Ventral spinothalamic tract

B. Corticobulbar tract

C. Corticospinal tract

A. Fatty infiltration

C. Hyperplasia

D. Increased amounts of fibrous connective tissue

B. 5 to 8 m/sec

C. More than 12 m/sec

D. 9 to 12 m/sec

A. Myocardial contractility

B. Preload

C. Heart rate

A. Capillaries

B. Aorta

C. Arteries

B. Touch

C. Pain

D. Temperature

A. Artery

B. Vein

D. Aorta

A. Primary motor area

C. Visual area

D. Sensory area

B. Lower filtration pressure

C. Both of the above

D. None

A. Exteroceptors

B. Chemo receptors

C. Nociceptors

A. Membrane currents are generated at nodes of Ranvier

C. Local anesthesia is effective only when the nerve is not covered by myelin sheath

D. Saltatory conduction of impulses is seen

A. 1.2 seconds

C. 0.4 seconds

D. 1.6 seconds

A. Act as syncytium

B. Has gap junctions

C. Has branching