M C Q s D r i v e

Medical Science Mcqs 5254 MCQs [All-Courses]

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Medical Science is the study of human health, diseases, prevention, and treatment, focusing on diagnosis, patient care, and medical research to improve healthcare outcomes.

Function of GABA on CNS is_______________?
A Neuronal inhibition
B Neuronal activation
C Glial cell inhibition
D Glial cell activation
Correct Answer: Neuronal inhibition
Hyper kinetic syndromes such as chorea and athetosis are usually associated with pathological changes in_______________?
A Motor areas of cerebral cortex
B Anterior hypothalamus
C Pathways for recurrent collateral inhibition in the spinal cord
D Basal ganglia complex
Correct Answer: Basal ganglia complex
In cerebellar disease, all the statements are correct except______________?
A The romberg’s sign is positive
B There is adiodokokinesia
C There is pendular knee jerk
D There is involuntary termor
Correct Answer: There is pendular knee jerk
Which sensation is not lost on the side of lesion in brown sequard syndrome ?
A Touch
B Vibration sense
C Muscle sense
D Temperature
Correct Answer: Temperature
First change to occur after nerve cut is_______________?
A Schwan cell mitosis
B Axonal sprouting
C Myelin sheath degeneration
D Nuclear disintegration
Correct Answer: Myelin sheath degeneration
which receptor is responsible for monitoring the rate of muscle stretch ?
A Nuclear bag intrafusal fibers
B Nuclear chain
C Golgi tendon organ
D Pacinium corpuscles
Correct Answer: Nuclear bag intrafusal fibers
Body temperature is maintained by ______________?
A Postural position
B Covering of the body
C Peripheral vasoconstriction
D all of the above
Correct Answer: all of the above
Chromatolysis is______________?
A Disintegrating of Nucleus
B Disintegration of golgi apparatus
C Disappearance of nissel granules
D Decrease in cell size
Correct Answer: Disappearance of nissel granules
In CNS, the myelination is carried out by _____________?
A Schwann cells
B Astrocytes
C Oligodendrocytes
D Microglia
Correct Answer: Oligodendrocytes
Breathing ceases upon destruction of the___________________________?
A Cerebrum
B Medulla oblongata
C Hypothalamus
D Cerebellum
Correct Answer: Medulla oblongata