Description : On the third day of onset of acute myocardial infarction the enzyme elevated is (A) Serum AST (B) Serum CK (C) Serum LDH (D) Serum ALT
Last Answer : Answer : C
Description : On which day following acute myocardial infarction the estimation of serum AST will be of greatest significance? (A) First day (B) Second day (C) Third day (D) Fourth day
Last Answer : Answer : B
Description : Which enzyme estimation will be helpful in differentiating the elevated serum ALP found in obstructive jaundice as well as bone disorders? (A) Serum AST (B) Serum ALT (C) Serum LDH (D) Serum γ-GT
Last Answer : Answer : D
Description : What is the advantage of CK estimation over LDH estimation to identify myocardial infarction?
Last Answer : The CK level starts to rise within three hours of infarction. Therefore, CK estimation is very useful to detect early cases, where ECG changes may be ambiguous. The CK level is not increased in hemolysis or in congestive cardiac failure; and therefore CK has an advantage over LDH.
Description : If results of the serum bilirubin, serum ALP, LDH and AST determinations suggest obstructive jaundice, the best confirmatory test would be the estimation of (A) Serum ALT (B) Serum 5’ nucleotidase (C) Serum Pseudo cholinesterase (D) None of these
Description : From the following myocardial infarction, the earliest serum enzyme to rise is (A) Creatine Kinase (B) GOT (C) GPT (D) LDH
Last Answer : Answer : A
Description : Which of the following serum enzyme rises in myocardial infarction: (A) Creatine kinase (B) GOT (C) LDH (D) All of these
Description : Serum AST activity is not characteristically elevated as the result of (A) Myocardial infarction (B) Passive congestion of liver (C) Muscular dystrophies (D) Peptic ulcer
Description : The slow moving fraction of LDH is typically increased in pancreas with (A) Cerebrovascular accidents (B) Acute myocardial infarction (C) Acute pancreatitis (D) Acute viral hepatits
Description : Serum gamma glutamyl transpeptidase is raised in (A) Haemolytic jaundice (B) Myocardial infarction (C) Alcoholic hepatitis (D) Acute cholecystitis
Description : Increased serum ornithine carabamoyl transferase activity is diagnostic of (A) Myocardial infarction (B) Hemolytic jaundice (C) Bone disease (D) Acute viral hepatitis
Description : In order to be effective, Percutaneous Transluminal Coronary Angioplasty (PTCA) must be performed within what time frame, beginning with arrival at the emergency department after diagnosis of myocardial ... during which streptokinase will not be used again in the same patient for acute MI.
Last Answer : a) 60 minutes The sixty minute interval is known as “door to balloon time” for performance of PTCA on a diagnosed MI patient.
Description : Thrombolytic therapy instituted within 3-6 hours of onset of acute myocardial infarction affords the following benefit(s): A. Reduces mortality B. Reduces area of myocardial necrosis C. Preserves ventricular function D. All of the above
Last Answer : D. All of the above
Description : A patient of acute myocardial infarction has been brought to the ICU. What is the time lapse since symptom onset beyond which you will not consider instituting thrombolytic therapy: A. 3 hours B. 6 hours C. 16 hours D. 24 hours
Last Answer : C. 16 hours
Description : Patients with hepatocellular jaundice, as compared to those with purely obstructive jaundice tend to have (A) Lower serum ALP, LDH and AST activity (B) Lower serum ALP, Higher LDH and AST activity (C) Higher serum ALP, LDH and AST activity (D) Higher serum ALP, Lower LDH and AST activity
Description : The isozyme CK-MB is specifically increased in the blood of patients who had (A) Skeletal muscle disease (B) Recent myocardial infarction (C) Infective hepatitis (D) Myxoedema
Description : Hepatocellular jaundice as compared to pure obstructive type of jaundice is characterized by (A) Increased serum alkaline phosphate, LDH and ALT (B) Decreased serum alkaline phosphatase, LDH and ALT (C ... levels of LDH and ALT (D) Decreased serum alkaline phosphatase and increased serum LDH and ALT
Description : Which of the following isoenzyme of lactate dehydrogenase is raised in serum in myocardial infarction: (A) LD1 (B) LD2 (C) LD1 and LD2 (D) LD5
Description : Serum lactate dehydrogenase rises in (A) Viral hepatitis (B) Myocardial infarction (C) Carcinomatosis (D) All of these
Description : Serum acid phosphatase level increases in (A) Metastatic carcinoma of prostate (B) Myocardial infarction (C) Wilson’s disease (D) Liver diseases
Description : What are the serum enzymes helpful in the diagnosis of myocardial infarction?
Last Answer : Lactate dehydrogenase (LDH) H4 iso-enzyme, creatine kinase (CK) CK MB iso-enzyme and aspartyl transaminase (AST).
Description : A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route/ ... (a) Sublingual (b) Oral (c) Intravenous bolus injection (d) Slow intravenous infusion
Last Answer : Ans: D
Description : Lidocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because (a) It has a rapidly developing and titratable antiarrhythmic action (b) It casues ... efficacy in atrial as well as ventricular arrhythmias (d) Both (a) and (b)
Description : If a fibrinolytic drug is used for treatment of acute myocardial infarction, the adverse drug effect that is most likely to occur is (a) Acute renal failure (b) Development of antiplatelet antibodies (c) Encephalitis secondary to liver dysfunction (d) Hemorrhagic stroke (e) Neutropenia
Description : Which of the following statements are true of coronary artery anatomy? A. Right bundle branch block in acute anterior myocardial infarction suggests obstruction prior to the first septal branch of the left ... the left anterior descending coronary artery. E. The left main stem is about 4 cm long
Last Answer : Ans: A
Description : Streptokinase is a substance used in the treatment of acute myocardial infarction. How does this substance act?
Last Answer : Substances known as fibrinolytics, like streptokinase and urokinase, can destroy thrombi (clots formed inside blood vessels, capillaries or within the heart chambers) and are used in the treatment ... comes after the bacteria that produce it, the streptococci. Learn the Concept of Homeostasis Here
Description : A patient has developed a sever chest pain and difficulties in breathing while in the dental chair. Your initial response is: a. Administer glycerine trinitrate and monitor patient in upright ... required until confirmed as MI by ECG d. Patient has myocardial infarction as confirmed by ECG
Last Answer : a. Administer glycerine trinitrate and monitor patient in upright position.
Description : A patient has developed a sever chest pain and difficulties in breathing while in the dental chair. Your initial response is: A. Administer glycerine trinitrate and monitor patient in upright ... required until confirmed as MI by ECG D. Patient has myocardial infarction as confirmed by ECG
Last Answer : A. Administer glycerine trinitrate and monitor patient in upright position
Description : The preferred route of administration of streptokinase in acute myocardial infarction is: A. Intravenous B. Subcutaneous C. Intracoronary
Last Answer : A. Intravenous
Description : Thrombolytic therapy is indicated in the following conditions except: A. Acute myocardial infarction B. Stroke due to cerebral thrombosis C. Deep vein thrombosis D. Large pulmonary embolism
Last Answer : B. Stroke due to cerebral thrombosis
Description : Use of anticoagulants in acute myocardial infarction affords the following benefit(s): A. Reduces short-term mortality B. Prevents thrombus extension and subsequent attack C. Prevents venous thromboembolism D. All of the above
Last Answer : C. Prevents venous thromboembolism
Description : Low dose subcutaneous heparin therapy is indicated for: A. Prevention of leg vein thrombosis in elderly patients undergoing abdominal surgery B. Ischaemic stroke C. Patients undergoing neurosurgery D. Prevention of extention of coronary artery thrombus in acute myocardial infarction
Last Answer : A. Prevention of leg vein thrombosis in eld
Description : A patient of acute myocardial infarction being treated in intensive care unit developed left ventricular failure with raised central venous pressure. It was decided to use glyceryl trinitrate. Which route ... suitable: A. Sublingual B. Oral C. Intravenous bolus injection D. Slow intravenous infusion
Last Answer : D. Slow intravenous infusion
Description : Lignocaine is the preferred antiarrhythmic for emergency control of cardiac arrhythmias following acute myocardial infarction because: A. It has a rapidly developing and titratable antiarrhythmic action B. It causes ... atrial as well as ventricular arrhythmias D. Both A' and B' are correct
Last Answer : D. Both ‘A’ and ‘B’ are correct
Description : Vasodilators are used to treat: A. Acute heart failure attending myocardial infarction B. Chronic heart failure due to diastolic dysfunction C. Chronic heart failure due to both systolic as well as diastolic dysfunction D. All of the above
Description : An increase in LDH-5 enzyme is seen in the following except (A) Acute hepatitis (B) Muscular distrophies (C) Breast carcinoma (D) Pulmonary embolism
Description : In early stages of myocardial ischemia the most sensitive indicator is the measurement of the activity of (A) CPK (B) SGPT (C) SGOT (D) LDH
Description : Creatine kinase (CK) level in serum is increased in which conditions?
Last Answer : Myocardial infarction, muscular dystrophies.
Description : Creatine phosphokinase isoenzyme is a marker for (A) Kidney disease (B) Liver disease (C) Myocardial infarction (D) None of these
Description : LDH1 and LDH2 are elevated in (A) Myocardial infarction (B) Liver disease (C) Kidney disease (D) Brain disease
Description : The isoenzymes LDH5 is elevated in (A) Myocardial infarction (B) Peptic ulcer (C) Liver disease (D) Infectious diseases
Description : What is the advantage of cardiac troponin I over other parameters to identify the myocardial infarction?
Last Answer : Cardiac Troponin I is released into the blood within four hours after the onset of cardiac symptoms, peaks at 12-16 hours and remains elevated for 5-9 days post-infarction. Therefore, CTI is ... marker at any time interval after the heart attack. It is 75% sensitive index for myocardial infarction.
Description : How do you further investigate for myocardial infarction?
Last Answer : LDH-1 (H4) iso-enzyme is increased.
Description : In acute pancreatitis, the enzyme raised in first five days is (A) Serum amylase (B) Serum lactic dehydrogenase (C) Urinary lipase (D) Urinary amylase
Description : A 16 year old male with a day history of malaise, weakness and vomiting. He was diagnosed with Insulin dependent diabetes mellitus 3 years prviously. Which ONE of the following supports a diagnosis of ... serum glucose 14 mmol/l 4) Decreased appetite in the past few days 5) Shallow respirations
Last Answer : Answers-2 a-An unusual but recognised feature particularly in children. However does not support a diagnosis of DKA. b-Suggests metabolic acidosis. c-'Normoglycaemic DKA' can occur and a glucose ... anorexia. e-Respiratory compensation leads to rapid deep (Kussmaul's) breathing. (Dr Mike Mulcahy)
Description : When do you estimate total CK and the iso-enzyme?
Last Answer : Estimation of total CK is employed in muscular dystrophies and CK-MB iso-enzyme is estimated to identify myocardial infarction.
Description : Assertion `:` Myocardial infarction oftern results from a sudden decrease in coronary blood supply resulting in decreased oxygen supply. Reason `:` Th
Last Answer : Assertion `:` Myocardial infarction oftern results from a sudden decrease in coronary blood supply ... If both Assertion & Reason are false.
Description : Most fatal thrombosis leading to myocardial infarction is of
Last Answer : Most fatal thrombosis leading to myocardial infarction is of A. Right circumflex coronary ... descending artery D. Left circumflex coronary artery
Description : Higher incidence of myocardial infarction and increased mortality has been noted with the use of the following antihypertensive drug (a) Nifedipine (b) Verapamil (c) Diltiazem (d) Lisinopril
Description : What drug is used to prevent embolism in the lung and during myocardial infarction? (a) Alteplase (b) Human growth hormone (c) Granulocyte–macrophage colony – stimulating factor (GM–CSF) (d) EPOGEN (EPO) (e) None of the above