Prepare for exams with extensive Central Nervous System MCQs, covering anatomy, physiology, and neurological functions.
Central Nervous System MCQs
Sweat glands are supplied by only:
A. Parasympathetic nerves
B. Sympathetic nerves
C. Sensory nerves
D. Motor nerves
Following are extrapyramidal tracts except:
A. Reticulospinal
B. Corticospinal
C. Rubrospinal
D. Vestibulospinal
Afferent component of corneal reflex is mediated by:
A. Vagus nerve
B. Facial nerve
C. Trigeminal nerve
D. Glossopharyngeal nerve
Blood supply to the brain during moderate exercise :
A. decreases
B. Remains constant
C. Increases
D. Increases then decreases
Which of the following acts as a neurotransmitter inhibitor:
A. Glutamate
B. GABA
C. Aspartic acid
D. Lysin
Phagocytosis in the CNS is done by:
A. Astrocytes
B. Schwann cells
C. Microglia
D. Oligocytes
Pain producing substance is:
A. Serotonin
B. Substance P
C. Histamine
D. Acetyl choline
Red colour blindness is called :
A. Deuteranopia
B. Protanopia
C. Protanomaly
D. Deuteranomaly
Tissues with least regenerative potential is:
A. Nerve
B. Skin
C. Cardiac muscle
D. None of the above
The pathway of pain from teeth and temperature is carried by:
A. Corticospinal tract
B. Corticocerebral tract
C. Lateral spinothalamic tract
D. Ventral spinothalamic tract
Pain is conducted by:
A. A-alpha fibers
B. A-beta fibers
C. A-gamma fibers
D. A-delta fibers
Pain sensation from the lateral extremities is transmitted by:
A. Spino thalmamic tract
B. Dorsal column
C. Corticospinal tract
D. Spinocerebellar tract
Respiratory center is situated in :
A. Medulla oblongata
B. Spinal cord
C. Midbrain
D. Hypothalamus
Preganglionic parasympathetic fibers are:
A. Somatic only
B. Parasympathetic
C. Sympathetic
D. Cholinergic
Sensations of pain from teeth and temperature are carried by:
A. Corticospinal tract
B. Corticobulbar tract
C. Lateral spinothalamic tract
D. Ventral spinothalamic tract
Lesions within the basal ganglia produce the following signs except :
A. Hypotonia
B. Tremor
C. Hemiballismus
D. Athetosis
Tremors are seen in disorder of :
A. Basal ganglia
B. Pain pathway
C. Pyramidal tract
D. Parathyroid gland
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
The Sensory receptors serving the stretch reflex are classified as :
A. Proprioceptors
B. Nociceptors
C. Exteroceptors
D. Chemo receptors
Abdominal visceral pain is transmitted by:
A. fibers
B. fibers
C. Parasympathetic fibers
D. Sympathetic fibers