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Physiology Mcqs

Sensations of pain from teeth and temperature are carried by_______________?

Central Nervous System, Medical Mcqs, Physiology Mcqs / admin

Sensations of pain from teeth and temperature are carried by_______________?

A. Corticosal tract
B. Corticobulbar tract
C. Lateral sothalamic tract
D. Ventral sothalamic tract

Sensations of pain from teeth and temperature are carried by_______________? Read More »

Central Nervous System, Medical Mcqs, Physiology Mcqs

Preganglionic parasympathetic fibers are_______________?

Central Nervous System, Medical Mcqs, Physiology Mcqs / admin

Preganglionic parasympathetic fibers are_______________?

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

Preganglionic parasympathetic fibers are_______________? Read More »

Central Nervous System, Medical Mcqs, Physiology Mcqs

Respiratory center is situated in_______________?

Central Nervous System, Medical Mcqs, Physiology Mcqs / admin

Respiratory center is situated in_______________?

A. Medulla oblongata
B. Sal cord
C. Midbrain
D. Hypothalamus

Respiratory center is situated in_______________? Read More »

Central Nervous System, Medical Mcqs, Physiology Mcqs

Pain sensation from the lateral extremities is transmitted by________________?

Central Nervous System, Medical Mcqs, Physiology Mcqs / admin

Pain sensation from the lateral extremities is transmitted by________________?

A. So thalmamic tract
B. Dorsal column
C. Corticosal tract
D. Socerebellar tract

Pain sensation from the lateral extremities is transmitted by________________? Read More »

Central Nervous System, Medical Mcqs, Physiology Mcqs

Pain is conducted by________________?

Central Nervous System, Medical Mcqs, Physiology Mcqs / admin

Pain is conducted by________________?

A. A-alpha fibers
B. A-beta fibers
C. A-gamma fibers
D. A-delta fibers

Pain is conducted by________________? Read More »

Central Nervous System, Medical Mcqs, Physiology Mcqs

Stimulation of baroreceptors results in_______________?

Cardiovascular system, Medical Mcqs, Physiology Mcqs / admin

Stimulation of baroreceptors results in_______________?

A. Increase in heart rate
B. Decreased vagal discharge
C. Increased sympathetic discharge
D. Decrease in blood pressure

Stimulation of baroreceptors results in_______________? Read More »

Cardiovascular system, Medical Mcqs, Physiology Mcqs

2nd heart sound is characterized by all except______________?

Cardiovascular system, Medical Mcqs, Physiology Mcqs / admin

2nd heart sound is characterized by all except______________?

A. Due to closure of semilunar valves
B. Is occasionally split
C. Has longer duration than 1st heart sound
D. Marks the onset of diastole

2nd heart sound is characterized by all except______________? Read More »

Cardiovascular system, Medical Mcqs, Physiology Mcqs

Heart muscle, true are all except_______________?

Cardiovascular system, Medical Mcqs, Physiology Mcqs / admin

Heart muscle, true are all except_______________?

A. Act as syncytium
B. Has multiple nuclei
C. Has gap junctions
D. Has branching

Heart muscle, true are all except_______________? Read More »

Cardiovascular system, Medical Mcqs, Physiology Mcqs

Isovolumetric relaxation ends immediately after________________?

Cardiovascular system, Medical Mcqs, Physiology Mcqs / admin

Isovolumetric relaxation ends immediately after________________?

A. AV Valve closes
B. When ventricular pressure falls below aortic pressure
C. When ventricular pressure falls below atrial pressure
D. None of the above

Isovolumetric relaxation ends immediately after________________? Read More »

Cardiovascular system, Medical Mcqs, Physiology Mcqs

Ventricular muscle receives impulses directly from the_______________?

Cardiovascular system, Medical Mcqs, Physiology Mcqs / admin

Ventricular muscle receives impulses directly from the_______________?

A. Purkinje system
B. Bundle of HIS
C. Right and left bundle branches
D. AV node

Ventricular muscle receives impulses directly from the_______________? Read More »

Cardiovascular system, Medical Mcqs, Physiology Mcqs

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