Description : Doctors use stethoscope to hear the sounds produced during each cardiac cycle. The second sound is heard when (a) AV node receives signal from SA node (b) AV valves open up (c) Ventricular ... blood from atria (d) Semilunar valves close down after the blood flows into vessels from ventricles.
Last Answer : (d) Semilunar valves close down after the blood flows into vessels from ventricles
Description : Assertion` :` LUBB (First Sound) is of shorter duration and sharp sound. Reason `:` It is created by the closure of the semiluar valves.
Last Answer : Assertion` :` LUBB (First Sound) is of shorter duration and sharp sound. Reason `:` It is created ... False. D. If both Assertion & Reason are false.
Description : Assertion `:` The pause between the end of the second sound and the beginning of the first sound coincides with ventricular diastole. Reason `:` The s
Last Answer : Assertion `:` The pause between the end of the second sound and the beginning of the first sound ... . D. If both Assertion & Reason are false.
Description : The diagram given here is the standard ECG of a normal person. The P-wave represents the (a) beginning of the systole (b) end of systole (c) contraction of both the atria (d) initiation of the ventricular contraction.
Last Answer : (c) contraction of both the atria
Description : Which of the following terms describes the amount of blood ejected per heartbeat? a) Stroke volume Stroke volume is determined by preload, afterload, and contractility. b) Cardiac output Cardiac output ... must overcome to eject blood during systole and is one of the determinants of stroke volume.
Last Answer : a) Stroke volume Stroke volume is determined by preload, afterload, and contractility.
Description : Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during systole of heart.
Last Answer : Assertion `:` Systolic pressure is higher then diastolic pressure. Reason `:` Arteries contract during ... D. If both Assertion & Reason are false.
Description : What would be the heart rate of a person if the cardiac output is 5 L, blood volume in the ventricles at the end of diastole is 100 mL and at the end of ventricular systole is 50 mL ? (a) 125 beats per minute (b) 50 beats per minute (c) 75 beats per minute (d) 100 beats per minute
Last Answer : (d) 100 beats per minute
Description : The sound of lubb is produced during closure of
Last Answer : The sound of lubb is produced during closure of A. Bicuspide valve B. Tricuspid valve C. Semilunar valves D. both (1) and (2)
Description : Assertion `:` During diastole, ventricles receives blood from auricles. Reason `:` During ventricular diastole (stage of rapid inflow) the pressure in
Last Answer : Assertion `:` During diastole, ventricles receives blood from auricles. Reason `:` During ventricular ... . If both Assertion & Reason are false.
Description : During ventricular systole `:-`
Last Answer : During ventricular systole `:-` A. Semilunar valves are closed B. About 30 percent ... Bicuspid valves are closed D. Ventricular pressure declines
Description : Assertion `:` Neural signals through the sympathetic nerves can increase the rate of heart beat, the strength fo ventriculrar contraction and thereby
Last Answer : Assertion `:` Neural signals through the sympathetic nerves can increase the rate of heart beat, the ... D. If both Assertion & Reason are false.
Description : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity of all elements is negative
Last Answer : Assertion :- First electrons affinity fo all element is positive. Reason :- Successive electron affinity ... D. If both Assertion & Reason are false
Description : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these increase internal surface area of small intestine fo
Last Answer : Assertion `:-` Small intestine is very long and has plica circularis & villi Reason `:` All these ... False. D. If both Assertion & Reason are false.
Description : The following are true about cardiac contraction: a. the P wave initiates the atrial contraction b. atrial contribution to ventricular filling is most effective at fast heart rate. c. b wave is generated by atrial contraction d. fourth heart sound occurs during atrial contraction
Last Answer : fourth heart sound occurs during atrial contraction
Description : The mean velocity of blood flow in the aorta during systole is 1.5 × 10–2 m / s. What is the frequency change in an instrument with a signal frequency of 105 Hz (speed of sound in blood, 1570 m / s)?
Last Answer : 1060 kg/m3, very close to pure water's density of 1000 kg/m3. The average adult has a blood volume of roughly 5 litres (11 US pt) or 1.3 gallons, which is composed of plasma ... .4 million (female) erythrocytes: Red blood cells contain the blood's hemoglobin and distribute oxygen. Mature red blood
Description : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical representation of the graphical activity of the heart du
Last Answer : a. SAN generates as action potential which stimulates atrial systole. b. ECG is an electrical ... one of the main symptoms of this disease.
Description : What do you know about heart systole?
Last Answer : this heat function mechanism
Description : In a standard ECG which one of the following alphabets is the correct representation of the respective activity of the human heart? (a) S - start of systole (b) T - end of diastole (c) P - depolarisation of the atria (d) R - repolarisation of ventricles
Last Answer : (c) P - depolarisation of the atria
Description : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum . Reason : Spermatogenesis process requires les
Last Answer : Assertion : During embrynic stage testes descend down and at the time of birth , it comes into scrotum ... . D. If both Assertion & Reason are False.
Description : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of chromatid material between non sister chromati
Last Answer : Assertion : Crossing over take place during pachytene stage. Reason : It is a process of interchange of ... D. If both Assertion & Reason are false.
Description : if you suspect atrial flutter : Consider digoxin if not already in use because it frequently increases the conduction ratio and decreases the ventricular rate. , Avoid adrenergic and ... to the muscle decrease blood supply to the muscle the heart trying to beat fast ______________________________
Last Answer : decrease O2 supply to the muscle
Description : Match the items given in column I with those in column II and select the correct option given below. Column I Column II A. Tricuspid valve (i) Between left atrium and left ventricle B. Bicuspid valve (ii) Between right ventricle and ... (b) (i) (iii) (ii) (c) (i) (ii) (iii) (d) (ii) (i) (iii)
Last Answer : (a) (iii) (i) (ii)
Description : Which of the following guards the opening of hepatopancreatic duct into the duodenum? (a) Pyloric sphincter (b) Sphincter of Oddi (c) Semilunar valve (d) Ileocaecal valve
Last Answer : (b) Sphincter of Oddi
Description : Match the items given in Column I with those in Column II and select the correct option given below: Column I Column II a. Tricuspid valve i. Between left atrium and left ventricle b. Bicuspid valve ii. Between right ventricle and ... a b c (1) iii i ii (2) i iii ii (3) i ii iii (4) ii i iii
Last Answer : (1) iii i ii
Description : The valve between the right ventricle and the pulmonary artery is the: a) mitral valve b) semilunar valve c) bicuspid valve d) tricuspid valve
Last Answer : ANSWER: A -- SEMILUNAR VALVE
Description : Assertion : hCG , hPL and relaxin are produced in women only during pregnancy . Reason : These hormones are produced by placenta .
Last Answer : Assertion : hCG , hPL and relaxin are produced in women only during pregnancy . Reason : These hormones ... . D. If both Assertion & Reason are False.
Description : Is the ventricle lumen larger during systole or during diastole?
Last Answer : Systole is the stage of the cardiac cycle on which the ventricles contract. So the lumen of these chambers is reduced and the pressure upon the blood within them is heightened. During diastole ... fibers of the ventricles relax and the lumen of these chambers enlarges helping the entrance of blood.
Description : Blood pressure in the mammalian aorta is maximum during (a) systole of the left ventricle (b) diastole of the right atrium (c) systole of the left atrium (d) diastole of the right ventricle
Last Answer : (a) systole of the left ventricle
Description : Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis flap covers the glottis during swallowing and pre
Last Answer : Assertion `:-` Larynx is a cartilaginous box which helps in sound production. Reason `:-` Epiglottis ... . D. If both Assertion & Reason are false.
Description : Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis.
Last Answer : Assertion : - Cockorach undergoes many moulting in their development stage. Reason : - Cockroach exhibits gradual metamorphosis. A. A B. B C. C D. D
Description : Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is mainly found in enbryonic stage .
Last Answer : Assertion : Mucoid connective tissue is called as embryonic tissue. Reason : Mucoid connective tissue is ... D. If both Assertion & Reason are false.
Description : Which of the following are not determinants of a postoperative cardiac complication? A. Myocardial infarct 4 months previously. B. Clinical evidence of congestive heart failure in a patient with 8.5 gm ... on electrocardiogram. D. A harsh aortic systolic murmur. E. Age over 70 years.
Last Answer : Answer: B DISCUSSION: Clinical evidence of congestive heart failure in a patient with 8.5 gm. per dl. hemoglobin concentration is a misleading sign. Evidence of congestive ... or ventricular contractions on the electrocardiogram are less strong determinants of a postoperative cardiac complication
Description : The antianginal effect of propranolol may be attributed to which one of the following (a) Block of exercise – induced tachycardia (b) Decreased end – diastolic ventricular volume (c) Dilation of consticted coronary vessels (d) Increased cardiac force (e) Increased resting heart rate
Last Answer : Ans: A
Description : Heart failure cells, i.e.. macrophages loaded with haemosiderin, are most likely found in C A. Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricular myocardium following infarction and reperfusion D. None of these
Last Answer : Ascites fluid in congestive heart failure B. Pulmonary alveoli in mitral stenosis C. Left ventricul
Description : The pacesetter in the heart is called (a) sino-atrial node (SAN) (b) atrio-ventricular node (AVN) (c) Purkinje fibres (d) papillary muscle.
Last Answer : (b) atrio-ventricular node (AVN)
Description : Central venous pressure is measured in which of the following heart chambers? a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return ... d) Right ventricle The right ventricle is not the central collecting chamber of venous circulation.
Last Answer : a) Right atrium The pressure in the right atrium is used to assess right ventricular function and venous blood return to the heart.
Description : Choose the antiarrhythmic drug which prolongs action potential, can aggravate atrioventricular block but not heart failure, and has broad spectrum utility in acute as well as chronic, and ventricular as well as supraventricular arrhythmias: A. Quinidine B. Amiodarone C. Mexiletine D. Diltiazem
Last Answer : B. Amiodarone
Description : Quinidine has the following action on electrophysiological properties of the heart except: A. Decreases automaticity of Purkinje fibres B. Abolishes after depolarizations C. Prolongs refractory period of atrial fibres D. Decreases membrane responsiveness of atrial and ventricular fibres
Last Answer : B. Abolishes after depolarizations
Description : Glyceryl trinitrate is used in CHF for: A. Routine treatment of mild to moderate chronic heart failure B. Rapid symptom relief in acute left ventricular failure C. Arresting disease progression D. Both 'A' and 'B'
Last Answer : D. Both 'A' and 'B
Description : A patient of CHF was treated with furosemide and digoxin. He became symptom-free and is stable for the last 3 months with resting heart rate 68/min in sinus rhythm but left ventricular ... medication as before C. Continue the diuretic but stop digoxin D. Continue digoxin but stop the diuretic
Last Answer : A. Stop above medication and start an ACE inhibitor
Description : Digoxin is contraindicated in: A. Angina pectoris patients B. Ventricular tachycardia C. Hypertensive patients D. Complete heart-block
Last Answer : B. Ventricular tachycardia
Description : Infusion of potassium chloride is indicated in digitalis toxicity when the manifestation(s) is/are: A. Vomiting, hyperapnoea and visual disturbance B. Pulsus bigeminus with heart rate 110/min ... accidentally ingested 10 digoxin tablets D. 2:1 A-V block with occasional ventricular extrasystoles
Last Answer : B. Pulsus bigeminus with heart rate 110/min in a patient on maintenance digoxin therapy
Description : n a failing heart therapeutic dose of digoxin has no effect on the following parameter: A. Cardiac output B. Heart rate C. Tone of ventricular fibres D. Cardiac vagal tone
Last Answer : C. Tone of ventricular fibres
Description : The following drug has been demonstrated to retard progression of left ventricular dysfunction and prolong survival of congestive heart failure patients: A. Digoxin B. Furosemide C. Enalapril D. Amrinone
Last Answer : C. Enalapril
Description : Angiotensin II plays a key role in the following risk factor for ischaemic heart disease: A. Hypercholesterolemia B. Ventricular hypertrophy C. Carbohydrate intolerance D. Cardiac arrhythmia
Last Answer : B. Ventricular hypertrophy
Description : Which of the following is not correct about initial phase of a project? a. The cost associated at the beginning of the project is highest. b. Stakeholders have maximum influence during this phase c. The highest uncertainty is at this stage of the project. d. All the above statements are correct.
Last Answer : a. The cost associated at the beginning of the project is highest.
Description : Sales usually start to decline __________ of the product life cycle. A)at the beginning of the termination stage B)at the end of the growth stage C)at the beginning of the decline stage D)during the maturity stage
Last Answer : D)during the maturity stage
Description : Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside the host are introduced into a host. Reason
Last Answer : Assertion : Artificially acquired passive immunity results when antibodies or lymphocytes produced outside ... both the assertion and reason are false