MCQs Mock Test for Lab Technicians and Technologists: Chapter 23

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

Metabolic acidosis is described as a(n)?

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

A reciprocal relationship exists between?

The nanometer is used as a measure of?

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

The most widely employed screening technique for drug abuse is?

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

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

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

Phenobarbital is a metabolite of?

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

In the Jaffe reaction, creatinine reacts with?

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

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

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

Major actions of angiotensin II include?

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

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

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

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

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

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

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 represents the end product of purine metabolism in humans?

A common cause of respiratory alkalosis is?

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

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

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

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

The cyclic antidepressants are classified as?

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

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

The principle excretory form of nitrogen is?

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

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

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

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

The biological most active, naturally occurring androgen 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:

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

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

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

Respiratory acidosis is described as a(n)?

Bile acid concentrations are useful to asses?

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

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

Bioavailability of a drug refers to the?

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