Sample

For each of the following questions select the best answer by encircling the selected one, the incorrect answer will not cancel the correct one.

The Medulla Oblongata which one is false controls the rate and force of heartbeat controls the rate and rhythm of breathing Regulates body temperature The vomiting, coughing

The brain stem all are false but Maintains posture Regulates hearing Responsible for awareness Controls vision

In left-handed person which one is true Left hemisphere is usually dominant Left hemisphere is more specialized for musical awareness Left hemisphere is generating mental images of sight Right hemisphere is specialized for language

Frontal lobe Concerned with Thinking Touch, pressure &temperature Memory Vision

Cranial Nerves(CN) which one is false CN I is the nerve smell CN II is responsible for vision CN III is responsible for pupillary constriction CN V is responsible for taste sensations


Cardiac cycle Atrial contraction occurs during systole Mitral valve open in systole Aortic valve closed in diastole Pulmonary valve open in diastole

Regulation of heart function all are true except Sympathetic stimuli has positive inotropic effect Parasympathetic has negative inotropic effect Beta receptor stimulation has positive chronotropiceffect Hormone of thyroid has negative chronotropic effect


Blood Pressure which one is trueNormally is ≤ 150/95 mmHgIncrease by vasodilatation increase by sympathetic stimulationneutral affect by renal system


Neurotransmitters Epinephrine decreases heart rate Acetylcholine increases heart rate Atropine blocks parasympathetic Norepinephrine decreases heart contraction

Somatic nervous system all are true but Controls skeletal muscle Voluntary control One neuron from CNS to effector Has no sensory neurons

Brain Blood Flow all true but Frontal lobe supplied by Internal carotid arteries Parietal lobe supplied by Internal carotid arteries Occipital lobe supplied by vertebral arteries Motor area supplied by vertebral arteries

In stroke dysfunction is Contralateral to the brain lesion Ipsilateralto the brain lesion Bilateral to the brain lesion Cross-phenomena

Electroencephalogram(EEG) It is electrical activity of heart muscle It is used for diagnosis of brain diseases It is electrical activity of muscle It consist of p-wave, T-wave & QRS complex

Defect in cerebellum result in all except one Resting tremor Ataxia Dysarthria Vertigo

Which one is false Asthma is a result of bronchospasm Stimulation of B2 receptors cause bronchodilatation Hyperventilation causes alkalosis by decreasing CO2 Hypoventilation causes acidosis by decreasing PH

Conducting ZoneIncludes all except Pharynx Alveoli Trachea Bronchi

Chemoreceptors located throughout the body maintain arterial PC02 of 30 mm Hg sensitive to changes in PO2 sensitive to changes in HCO3

Acid-Base Balance all are true but Normal blood pH: 7.40 (7.35- 7.45) Alkalosis: pH up Acidosis: pH down Regulated mainly by respiratory system