Clinical Biochemistry: Calcium, Parathyroid Hormone, Vitamin D Quiz

What is the main effect of vitamin D2 (ergocalciferol) on the body?

Which of the following can interfere with the analytic method for phosphate determination?

Which of the following is a potential cause of an elevated anion gap?

What is the primary purpose of calculating the anion gap?

What is the primary effect of excessive secretion or administration of growth hormone?

Which of the following is the most accurate method for determining phosphate levels?

Which of the following is the most important function of the Na*-K*-ATPase pumps?

What is the primary cause of hyponatremia?

What is the primary cause of hyperchloremia?

Which method is considered the most accurate for the determination of chloride levels?

What is the primary function of bicarbonate in the extracellular fluid (ECF)?

Which of the following is the most accurate method for the determination of total carbon dioxide (CO2) in plasma?

What is the primary function of magnesium in the body?

Which hormone is primarily responsible for the regulation of magnesium levels in the body?

What is the recommended specimen for the determination of magnesium levels?

Which of the following is the primary cause of an increased anion gap?

Which hormone is responsible for regulating blood calcium levels?

What is the typical range for normal plasma osmolality?

Which element is not involved in the blood coagulation process?

What is used to calculate the Osmolal Gap?

Which cation is the most abundant in the extracellular fluid?

Which hormone stimulates the sensation of thirst in response to increased blood osmolality?

What enzymatic activity does Aspartate Aminotransferase (AST) have?

Which tissue has the highest concentration of Alanine Aminotransferase (ALT)?

What is the diagnostic significance of Aspartate Aminotransferase (AST) in hepatic disorders?

Which enzymatic activity does Alanine Aminotransferase (ALT) share with Aspartate Aminotransferase (AST)?

What makes Alanine Aminotransferase (ALT) a more sensitive and specific screening test for posttransfusion hepatitis?

Which of the following is the primary organ affected by elevated levels of Aspartate Aminotransferase (AST)?

What is the primary role of the coupled enzymatic reaction in the measurement of Alanine Aminotransferase (ALT) activity?

What is the primary function of the 2,4-DNPH reagent in the Reitman and Frankel method for measuring AST and ALT activities?

Which of the following is the EARLIEST marker for the diagnosis of acute pancreatitis?

What is the primary reason for the increased urinary excretion of amylase in acute pancreatitis?

Which of the following is the most predominant pancreatic amylase isoenzyme in acute pancreatitis?

Where is Gamma Glutamyl Transamine Peptidase/Transferase (GGT) primarily located?

What is the diagnostic significance of Gamma Glutamyl Transamine Peptidase/Transferase (GGT)?

Which enzyme is secreted by the liver and reflects synthetic function rather than hepatocyte injury?

What is the primary function of Aspartate Aminotransferase (AST)?

What is the diagnostic significance of Alanine Aminotransferase (ALT) among hepatobiliary disorders?

What is the primary effect of elevated levels of Aspartate Aminotransferase (AST) and Alanine Aminotransferase (ALT)?

What is the primary characteristic that defines enzymes?

What happens to the reaction rate when the substrate concentration reaches a maximal value?

Which factor affects enzyme reactions by being nonprotein entities that must bind to particular enzymes before a reaction occurs?

In enzyme kinetics, what is the role of coenzymes?

What is the primary outcome of increasing enzyme concentration in a reaction?

Which term describes the situation when substrate concentration surpasses enzyme availability, resulting in a constant reaction rate?

What happens when an uncompetitive inhibitor binds to the enzyme-substrate complex?

At what temperature is the denaturation of enzymes usually significant?

What is the effect of extreme pH levels on enzymes?

What does fractionating isoenzymes help in enhancing?

What is the significance of the temperature coefficient (Q10) in enzyme activity?

In which pH range do most physiological reactions occur?

According to the Lock and Key Theory proposed by Emil Fisher, what is the key analogy referring to?

Which type of enzymatic reaction follows a rate that is directly proportional to the substrate concentration?

What is the primary advantage of using a continuous monitoring/kinetic assay method over a fixed-time method for measuring enzyme activity?

Which type of enzyme specificity is exhibited when an enzyme reacts with specific chemical bonds?

According to the Induced Fit Theory proposed by Daniel Koshland, what happens when a substrate binds to an enzyme?

Which of the following methods of measuring enzyme activity involves determining the change in coenzyme concentration?