The biuret reaction for the analysis of serum protein depends on the number of?

Calcium concentration in the serum is regulated by?

In the liver, bilirubin is converted to:

The osmolality of a urine or serum specimen is measured by a change in the?

Which of the following steroids is an adrenal cortical hormone?

Which two conditions can “physiologically” elevate serum alkaline phosphatase?

During an elevation of adrenal function, a patient had plasma cortisol determination is the morning after awakening and in the evening. Laboratory results indicated that the morning value was higher than the evening concentration. This is indicative of?

In electrophoretic analysis, buffers?

The T3 resin uptake test is a measure of?

Blood PCO2 may be measured by?

Which of the following serum constituents is unstable if a blood specimen is left standing at room temperature for 8 hours before processing?

Total iron-binding capacity measures the serum iron transporting capacity of?

In a spectrophotometer, light of a specific wavelength can be isolated from white light with a(n?

Absorbance (A of a solution may be converted to percent transmittance (%T using the formula?

A condition in which erythrocyte protoporphyrin is increased is?

The formula for calculating serum osmolaliity that incorporates a correction for the water content of plasma is?

The first step to be taken when attempting to repair a piece of electronic equipment is?

Most of the carbon dioxide present in the blood is in the form of?

The statistical term for the average value is the?

An index of precision is statistically known as the?

The most frequent value in a collection of data is statistically known as the?

The middle value of a data set is statistically known as the?

In a specimen collected for plasma glucose analysis, sodium floride?

The serum that contributes to most serum osmolality is?

Which family of steroid hormones is characterized by an unsaturated A ring?

Which of the following serum protein fractions is most likely to be elevated in patients with nephrotic syndrome?

The following lab results were obtained from arterial blood:
sodium 136 mEq/L
pH 7.32
Potassium 4.4 mEq/L
PCO2 79 mm Hg
Chloride 92 mEq/L
Bicarbonate 40 mEq/L
these results are compatible with?

Which of the following statements about fluorometry are true?

Two standard deviations is the acceptable limit of error in the chemistry laboratory. If you run the normal control 100 times, how many of the values wou;d be out of control due to random error?

Serum anion gap is increased in patients with?

The nanometer is used as a measure of?

A common cause of respiratory alkalosis is?

Major actions of angiotensin II include?

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

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

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

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

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

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

Metabolic acidosis is described as a(n?

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

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

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

A reciprocal relationship exists between?

Respiratory acidosis is described as a(n?

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

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

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

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

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

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

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

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

In the Jaffe reaction, creatinine reacts with?

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

The biological most active, naturally occurring androgen is?

The biological most active, naturally occurring androgen is?

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

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

A 45 year old male of average height and weight was admitted to the hospital for renal function studies. He had the following lab results:
Urine Creatinine 120mg/dL
Serum Creatinine 1.5 mg/dL
Total Urine volume in 24h 1800/mL

Calculate the Creatinine Clearance for this patient in mL/min:

The parent substance in the biosynthesis of androgens and estrogens 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:

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

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

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

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

Bioavailability of a drug refers to the?

The cyclic antidepressants are classified as?

The most widely employed screening technique for drug abuse is?

Phenobarbital is a metabolite of?

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

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

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

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

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?

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

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

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

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

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

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

Lithium therapy is widely used in the treatment of?

An arterial blood specimen submitted for blood gas analysis was obtained at 8:30 am but was not received in the laboratory until 11:00 am. The technologist should?

The anticonvulsant used to control tonic-clonic (grand mal seizures is?

A carbonate salt used to control manic-depressive disorders is?

A potassium level of 6.8 mEq/L is obtained. Before reporting the results, the first step the technologist should take is to?

Specimens for blood gas determination should be drawn into a syringe containing?

The measurement of light scattered by particles in the sample is the principle of?

Coulometry is used to measure?

The measurement The measurement of the amount of electricity passing between two electrodes in an electro-chemical cell is the principle of:of the amount of electricity The measurement of the amount of electricity passing between two electrodes in an electro-chemical cell is the principle of:passing between two electrodes in an electro-chemical cell is the principle of:

Which of the following lipid results would be expected to be falsely elevated on a serum specimen from a nonfasting patient?

Turbidity in serum suggests elevation of?

Enzyme-multiplied immunoassay techniques (EMIT differ from all other types of enzyme immunoassays in that?

The TRH stimulation test is useful in assessing which of the following?

Clinical assays for tumor markers are most important for?

The following results were obtained in a creatinine clearance evaluation:
Urine concentration: 84 mg/dL
Urine volume: 1440 mL/24hr
Serum concentration: 1.4 mg/dL
Body surface area: 1.60 m2 (average = 1.73m2
The creatinine clearance in mL/min is:

TSH is produced by the?

Estrogen and progesterone receptor assays are useful in assessing prognosis in which of the following?

Cerebrospinal fluid for glucose assay should be?

An analgesic that alleviates pain without causing loss of consciousness is?

Aspartate aminotransferase (AST and alanine aminotransferase (ALT are both elevated in which of the following diseases?

Urobilinogen is formed in the?

A patient has the following test results:

Serum Urea Nitrogen (BUN – 42 mg/dL
Serum Creatinine – 0.9 mg/dL

After calculating the BUN/Creatinine ratio, one would suspect the patient has a: