Microbiology MCQs Mock Test – Chapter 47

Which of the following is true about direct ion selective electrode is falsely decreased by:

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

Increaseed serum lactic dehydrogenase activity due to elevation of fast fraction (1 and 2) on elctrophoretic seperation is caused by:

Creatinine clearance is used to estimate the:

Kernicterus is an abnormal accumulation of bilirubin in:

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

Hemoglobin S can be separated from hemoglobin D by:

TSH is prouced by the:

Regan isoenzyme has the same properties as alkaline phosphatase that orginates in the

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

Calcium concentration in the serum is regulated by:

90% of the copper present in the blood is bound to:

Urobilinogen is formed in the:

Which is the following is most likely to be ordered in addition to serum calcium to determine the cause of tetany?

The most sensitive enzymatic indicator for liver damage from ethanol intake is:

Which of the following enzymes are used in the diagnosis of acute pancreatitis?

The presence of increased CKMB activity on a CK electrophoresis pattern is most likely found in a patient suffering from:

The most heat labile fraction of alkaline phosphatase is obtained from:

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

In which of the following conditions would a normal level of creatine kinase be found?

Fasting serum phosphate concentration is controlled primarily by the:

The enzyme present in almost all tissues that may be separated by electrophoresis into 5 components is:

Of the following diseases, the one most often associated with elevations of lactate dehydrogenase isoenzymes 4 and 5 on electrophoresis is:

The first step in the quantitation of serum iron is:

The protein portion of an enzyme complec is called the:

Sodium determination by indirect ion selective electrode is falsely decreased by:

A reciprocal relationship exists between:

Aspartate amino transferase (AST) is characteristically elevated in diseases of the:

The majority if thyroxine (T4) is converted into the more biologically active hormone:

Which percentage of total serum calcium is nondiffusible protein bound?

Isoenzyme assays are performed to improve:

The first step in analyzing a 24-hour urine specimen for quantitative urine protein is:

The solute that contributes the most to the total serum osmolality is:

The most specific enzyme test for acute pancreatitis is:

In respiratory acidosis, a compensatory mechanism is the increase in :

Which of the following chemical determinations may be of help in establishing the presence of seminal fluid?

Turbidity in serum siggest elevation of:

Chylomicrons are present in which of the following dylipidemias?

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

A stool specimen that appears black and tarry should be tested for the presence of:

A serum sample demonstrates an elevated result when tested with the Jaffe reaction. This indicates:

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

A low concentration of serum phosphorus is commonly found in:

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

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

A common cause of falsely increased LD1 fraction of lactic dehydrogenase is:

In the immunoinhibition phase of the CKMB procedure:

Which of the following clinical disorders is associated with the greatest elevation of lactate dehydrogenase isoenzyme 1?

On electrophoresis at alkaline pH, which of the following is the slowest migrating hemoglobin?

The primary function serum albumin in the peripheral blood is to: