Microbiology MCQs Mock Test – Chapter 42

The buffering capacity of blood is maintained by a reversible exchange process between bicarbonate and?

The parent substance in the biosynthesis of androgens and estrogens is:

The conversion of glucose or other hexoses into lactate or pyruvate is called?

A cardiac glycoside that is used in the treatment of congenital heart failure and arrhythmias by increasing the force and velocity of myocardial contraction is?

Which of the following amino acids is associated with sulfhydryl group?

The principle excretory form of nitrogen is?

Pellagra is associated with deficiency of which of the following vitamins?

Which of the following enzymes catalyzes the conversion of starch to glucose and maltose?

Maple syrup urine disease is characterized by an increase in which of the following urinary amino acids?

Measurement of total T4 by competitive protein binding or displacement is based on the specific binding properties of?

Metabolic acidosis is described as a(n)?

Major actions of angiotensin II include?

Rickets is associated with deficiency in which of the following vitamins?

Phenobarbital is a metabolite of?

The extent to which measurements agree with the true value of the quantity being measured is known as?

The nanometer is used as a measure of?

Which of the following is secreted by the placenta and used for the early detection of pregnancy?

Acidosis and alkalosis are best defined as fluctuations in blood pH and CO2 content due to changes in?

Respiratory acidosis is described as a(n)?

The different water content of erythrocytes and plasma makes true glucose concentrations in whole blood a function of the?

Which of the following electrolytes is the chief plasma cation whose main function is maintaining osmotic pressure?

Increased serum albumin concentrations are seen in which of the following conditions?

Night blindness is associated with deficiency of which of the following vitamins?

Hydrogen ion concentration (pH) in blood is usually determined by means of which of the following electrodes?

The biological most active, naturally occurring androgen is?

Decreased serum iron associated with increased TIBC is compatible with which of the following disease states?

In the Jaffe reaction, creatinine reacts with?

Bile acid concentrations are useful to asses?

Scurvy is associated with deficiency of which of the following vitamins?

The most widely employed screening technique for drug abuse is?

A drug that relaxes the smooth muscles of the bronchial passages is?

The regulation of calcium and phosphorus metabolism is accomplished by which of the following glands?

What is the molarity of a solution that contains 18.7 g of KCI (MW=74.5) in 500 ml of water?

Which of the following methods employs a highly specific antibody to thyroxine?

A hospitalized patient is experiencing increased neuromuscular irritability (tetany). Which of the following tests should be ordered immediately?

Bioavailability of a drug refers to the?

Which of the following is the formula for coefficient of variation?

When myocardial infarction occurs, the first enzyme to become elevated is?

Which of the following represents the end product of purine metabolism in humans?

A common cause of respiratory alkalosis is?

In the Malloy and Evelyn method for the determination of bilirubin, the reagent that is reacted with bilirubin to form a purple azobilirubin is:

Which of the following is the formula for calculating the unknown concentration based on Beer’s Law (A= absorbance, C= Concentration)?

A reciprocal relationship exists between?

The greatest activities of serum AST and ALT are seen in?

Which of the following hemoglobins has glucose-6-phosphate on the amino-terminal valine of the beta chain?

The cyclic antidepressants are classified as?

Sixty to seventy-five percent of the plasma cholesterol is transported by?

The normal range for the pH of arterial blood measured at 37 degrees Celsius is?

The anion gap is useful for QC of laboratory results for?

The function of the major lipid components of the very low density lipoproteins (VLDL) is to transport?