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WorksheetsPrelim Review Questions
Total questions: 30
Worksheet time: 16mins
Which ions play a major role in contraction and relaxation of muscles?
Calcium and Magnesium
Sodium and Potassium
Sodium and Chloride
Phosphate and Magnesium
What is the electrode used for sodium determination using ISE method?
Valinomycin
Electric cellophane membrane
Clark
Glass membrane
Which among the following is/are cause/s of hypomagnesemia due to conditions involving the endocrine system?
Use of diuretics
Pyelonephritis
Hyperaldosteronism
All of the given choices
Which among the following is the main cause of hypercalcemia?
Primary hyperparathyroidism
Hyperthyroidism
Hypocalciuria
Use of thiazides (diuretics)
Pseudohyponatremia
Hyperlipidemia
Hyperproteinemia
Released by the cardiac muscles that increases sodium concentration in the blood
ANF
Vasopressin
Aldosterone
None of the given choices
Organs involved in the maintenance of normal osmolality:
Brain
Heart
Lungs
Kidney
Mercurimetric Titration method for chloride determination
Cotlove Chloridometer
Fiske-Subbarrow Method
Albanese-Lein Method
None of the given choices
Refers to the difference between the sums of the concentration of the principal cations and of the principal anions
Anion Gap
Osmolality
Osmotic pressure
Released during periods of hypercalcemia
PTH
Vitamin D
Calcitonin
Thyroxine
True about sodium determination
Yellow color of flame in FES
Preferred method is AAS
Use of Titan Yellow Dye
End color of colorimetric reaction is reddish-purple
Increased renal excretion of magnesium
Vitamin D
Thyroxine
PTH
Aldosterone
Dehydration due to pure water loss
Hyponatremia
Hypernatremia
Which of the following may activate the hypothalamic thirst response?
Increased osmolality
Decreased osmolality
Factors affecting enzyme reactions:
pH
Temperature
Substrate Concentration
Enzyme Concentration
The properties of enzymes are correctly described by which of the following statement/s:
Enzymes are stable proteins
Enzymes are protein catalysts of biological origin
Enzymes affect the rate of a chemical reaction by raising the activation energy needed for the reaction to take place
Enzyme activity is not altered by heat denaturation
Creatine kinase is a:
Transferase
Isomerase
Oxidoreductase
Lyase
Method of Determination for AST
Wacker Method
Karmen Method
Oliver-Rosalki Method
Ellman Method
Tartrate Inhibited ACP
Prostatic ACP
RBC ACP
Bone ACP
All of the given choices
Enzymes present it an individual with similar enzymatic activity but differ in their physical biochemical and immunologic characteristics
Isoenzymes
Proenzymes
Zymogen
None of the given choices
Which among the following is a significant cofactor for AST
Zinc
Magnesium
Calcium
None of the given choices
Enzyme/s that could be used as specific marker of pancreatic function:
OCT
Aldolase
5-nucleotidase
None of the given choices
Markers of cardiac function:
CK-MB
LDH 4 and 5
AST
ALT
Important substrate for determination of activity of phosphatases according to IFCC
p-nitrophenylphosphate
Pyridoxal phosphate
Inorganic phosphate
Pyruvate
Enzyme marker of liver damage due to organophosphate poisoning:
GGT
LDH 4 and 5
ALP
Pseudocholinesterase
Atypical Isoenzyme
Regan ALP
LD6
CK-Mi
Prostatic ACP
Causes increased urine amylase
Acute pancreatitis
Macroamylasemia
The 1st number in the EC nomenclature of G6PD is:
1
2
3
None of the given choices
Flipped LDH pattern in SPE
Myocardial infarction
Hepatitis
Pernicious anemia
Paget's Disease
