B. 0.3 seconds

C. 0.7 seconds

D. 0.7 seconds

A. Starlings law of heart states that increase in force of contraction is directly related to cardiac ouput

B. Stalings law of heart states that the force of ventricular contraction is directly related to the end diastolic volume

D. None of the above

B. The cervical ganglion

C. All cardiac muscle

D. The bundle of His

A. Brain

B. Heart

C. Kidney

B. A-beta fibers

C. A-alpha fibers

D. A-gamma fibers

A. Cardiac efficiency

C. Cardiac index

D. Mean arterial pressure

A. Rapid filling of the left ventricle

B. Closure of the pulmonary valve

D. Contraction of the atria

B. -90 mv

C. -55 mv

D. + 35 mv

A. GABA

B. Nor epinephrine

C. Acetyl choline

A. Does not operate in the failing heart

B. Explains the increase in cardiac output when the sympathetic nerves supplying the heart stimulated

C. Does not operate during exercise

A. cardiac output and body weight

C. Cardiac output and work of the heart

D. Stroke volume and pulse rate

A. Arteries

C. Capillaries

D. Venules

A. Peripheral resistance

B. Heart rate

D. Venous return

A. 30 ml

B. 130 ml

D. 5 liters

A. X

C. XII

D. VII

B. Increase in heart rate

C. Increased sympathetic discharge

D. Decreased vagal discharge

B. Measures the change in CO2 in venous blood

C. Measures Po2 in venous blood

D. Measures the changed in CO2 in arterial blood

A. Reflex tachycardia

B. Reflex Hypercapnia

C. Reflex hyperpnea

A. Constriction of the pupil

B. Far sightedness

D. Dilation of the pupil

A. SA node

B. Purkinje fibers

D. SA node

B. Total Capacity

C. Peripheral vascular resistance

D. Pulse Pressure

B. AV node

C. Bundle of His

D. SA node

A. Blood pressure X cardiac rate

B. Peripheral resistance X tissue fluid

C. Peripheral resistance X cardiac rate

A. fibers

C. fibers

D. Parasympathetic fibers

A. Hypothalamus

C. Midbrain

D. Spinal cord

A. Systolic pressure estimation tends to be lower than those make by palpatory method

C. The sounds that are heard are generated in heart

D. The loudest sound is the diastolic pressure

A. Blood insulin levels

C. Gastric dilatation

D. All of the above

A. When ventricular pressure falls below aortic pressure

C. None of the above

D. AV Valve closes

A. Marks the onset of diastole

C. Is occasionally split

D. Due to closure of semilunar valves

A. Q wave

B. P wave

C. R wave

A. Diopters

B. Daltons

D. Pounds

A. Have increased excitability

B. Have no power of regeneration

C. Have no association of Schwann cells

A. Mitosis of schwann cell

C. Sprouting

D. Myelin degeneration

A. Tremor

B. Hemiballismus

C. Athetosis

A. Increased blood pressure, increased heart rate

B. Increased B.P, decreased heart rate

C. Decreased B.P, increased heart rate

A. Increases heart rate

C. Increases oxygen uptake by heart

D. Increases force of contraction

A. is capable of generating impulses

B. Has poor cholinergic innervation

C. Has rich sympathetic innervation

A. Parathyroid gland

C. Pyramidal tract

D. Pain pathway

A. Ventral spinothalamic tract

B. Corticobulbar tract

C. Corticospinal tract

A. Fatty infiltration

C. Hyperplasia

D. Increased amounts of fibrous connective tissue

B. 5 to 8 m/sec

C. More than 12 m/sec

D. 9 to 12 m/sec

A. Myocardial contractility

B. Preload

C. Heart rate

A. Capillaries

B. Aorta

C. Arteries

B. Touch

C. Pain

D. Temperature

A. Artery

B. Vein

D. Aorta

A. Primary motor area

C. Visual area

D. Sensory area

B. Lower filtration pressure

C. Both of the above

D. None

A. Exteroceptors

B. Chemo receptors

C. Nociceptors

A. Membrane currents are generated at nodes of Ranvier

C. Local anesthesia is effective only when the nerve is not covered by myelin sheath

D. Saltatory conduction of impulses is seen

A. 1.2 seconds

C. 0.4 seconds

D. 1.6 seconds