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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.

All Topics  5254

Aphasia is most likely associated with a lesion in_______________?
A Broca’s area
B Sensory area
C Primary motor area
D Visual area
Correct Answer: Broca’s area
Abdominal visceral pain is transmitted by ________________?
A fibers
B fibers
C Parasympathetic fibers
D Sympathetic fibers
Correct Answer: fibers
The Sensory receptors serving the stretch reflex are classified as___________?
A Proprioceptors
B Nociceptors
C Exteroceptors
D Chemo receptors
Correct Answer: Proprioceptors
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
Correct Answer: Have to nodes of Ranvier
Tremors are seen in disorder of_________________?
A Basal ganglia
B Pain pathway
C Pyramidal tract
D Parathyroid gland
Correct Answer: Basal ganglia
Which of the following is not true for myelinated nerve fibers______________?
A Impulse through myelinated fibers is slower than non- myelinated fibers
B Membrane currents are generated at nodes of Ranvier
C Saltatory conduction of impulses is seen
D Local anesthesia is effective only when the nerve is not covered by myelin sheath
Correct Answer: Impulse through myelinated fibers is slower than non- myelinated fibers
Lesions within the basal ganglia produce the following signs except_______________?
A Hypotonia
B Tremor
C Hemiballismus
D Athetosis
Correct Answer: Hypotonia
Sensations of pain from teeth and temperature are carried by_______________?
A Corticospinal tract
B Corticobulbar tract
C Lateral spinothalamic tract
D Ventral spinothalamic tract
Correct Answer: Lateral spinothalamic tract
Preganglionic parasympathetic fibers are_______________?
A Somatic only
B Parasympathetic
C Sympathetic
D Cholinergic
Correct Answer: Cholinergic
Respiratory center is situated in_______________?
A Medulla oblongata
B Spinal cord
C Midbrain
D Hypothalamus
Correct Answer: Medulla oblongata
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