Physio, Cardiovascular Quiz 4

On auscultation first heart sound is variable in

In cardiac temponade what will be present on examination

Coronary blood flow is increased by

At normal condition both are equal

Patient occulo cardiac reflex has been stimulate dcausing severe bracycardia and hypotension. Most appropriate initial management

A woman had MI and after 48 hours later she died. Now, on ECG there is irregular low voltage waves. What can be the patho physiology

Most common cause of death in rheumatic fever

Keping the EDV constant the cardiac index increases with

Angiotensin does long term regulation of BP through

True about AV bundle

Wheat stone bridge principle is used to measure

C wave shows

Regarding coronary blood flow

Aortic pressure highest at which stage of cardiac cycle

V wave in atrial pressure is due to

Which of the following will increase O2 requirement of heart and decrease O2 supply to heart

Pulse pressure

Clinically minimal hemorrhage is assessed by

Blood flow to tissue in maintained by

Most slow conduction occurs in

During inspiration, JVP drops due to

The fourth heart sound is produced by

Cerebral metabolic rate of oxygen

Single breath Nitrogen used to measure

Which of the following acts on adrenergic receptors

increasing stroke volume while keeping TPR and diastolic pressure constant will cause

After tonsillectomy patient is shivering, tachypneic and BP is low. Which clinical sign you will check initially to know the status

An old diabetic patient admitted in hospital due to pneumonia and developing shock like symptoms. Cause will be

At which point in ECG more Ca ions enter in ventricular muscle cell

Nerve taking afferent from baro receptors is

RV pressure (mmhg) exceeds which of the following value to open pulmonary valve

All of the following increase heart rate except

Heart is most susceptible to fibrillation

Patient presented with hypotension and he is cool and tachycardia. He was asked to stand up. On standing his heart rate is increases why

About baroreceptor

Decrease amplitude of T waves occurs in

Atrial fibrillation

In cardiac muscle pleatue is due to

A patient on hypertensive drugs develop postural hypotension. Increase heart rate while standing is mediated by

A person who does heavy exercise regularly, his resting HR will be

Athelete at rest will have

Which segment in ECG shows ventricular systole

Pre mint perfusion of 100g brain tissue per minute

At the end of ventricular contraction, what happens

Which organ utilizes 70% of O2 of its arterial supply at rest

Cerebral blood flow at rest

Epinephrine released from adrenal medulla cause vasodilation by which adrenergic receptors

True about second degree heart block

Atrial systole on ECG is represented by

300 ml of fluid infused in 5 minutes. Most of blood will be present in

Which preserve organism as a whole in state of shock

Increase stroke volume is due to

Aortic pressure lowest during

What is time period of absolute refractory resting period of heart

Inc PR interval would decrease what in cardiac cycle

TPR is directly related to

A patient has ECG which has prolong PR interval and left axis deviation. What is diagnosis

BP drops from 100 mmHg to 70 mmHg, it will result in

Cardiovascular change in geriatric

In neurogenic shock difference from other shock is

Upper and lower limits of cerebral blood flow auto regulation

Pulse pressure maximum amplitude occurs in

Calcium influx via slow channels in ventricle cells causes

True about venous return

Extra systolic beat

Which one decrease blood supply to brain

Co is maximum during

Increase ‘a’ wave in JVP due to

Parasympathetic effect on heart increases permeability in SA node to

Dec pressure in carotid sinus cause

Increase in viscosity of blood is related to

The time taken for impulse to travel from end cardium to epi cardium represented on ECG

Obese person working as a clerk with sedentary life style was routinely checking his blood pressure and blood pressure was raised. he was investigated but no cause found. His raised blood pressure is due to

True regarding a normal adult heart is that purkinje fibers have fastest speed of conduction. This is because these fibers have

Hypoglycemia cause

Sympathetic stimulation cause

On ECG QRS and T waves are present but no P wave. Where will be pacemaker

Calcium in skeletal muscle endoplasmic reticulum is bound with

Afferent of Carotid sinus is

If heart rate doubles than cardiac cycle duration will be

S 2 sound splitting occur if

Normal Mitral valve area is

Person standing for a long time what will be decreased

CVP is indicated in