1. Aldose determination is highly significant in the differentation of muscle conditions involving differentation of neuromuscular atrophy fro, myopathy

2. The assay reaction involves oxidation of NADH

Among the ff enzymes exhibits the least tissue specificity?

Among the ff enzymes, which one is identified as the only clinically analyzed enzyme using urine sample?

Among the ff electrolytes, which one has the lowest conc in the sera of healthy patients?

1. In the deter. Of enzyme activity using a purified enzyme as the reagent, the enzyme must be in excess conc.

2. This will allow the reaction to follow first-order kinetics

Which among the ff enzyme classification is characterized by the reaction involving the coenzyme NAD/ NADH?

The highest elevation of ALP occurs in which of the following conditions?

Which among the following pairs of electrolytes and the color of flame produce is correct?

Which electrolyte is significantly involved in the transmission of nerve impulses?

Which among the following condition/s will result to an increased activity of Creatine Kinase?

1. Uremic myopathy

2. Myasthenia gravis

3. Muscular dystrophy

4. Poliomyelitis

1. Samples for lactate determination should be collected preferably without the use of tourniquet.

2. Prolonged application if tourniquet decrease lactate concentration due to venous stasis.

Which of the following statements is true of Calcitonin?

1. It inhibits osteoclastic bone resorption.

2. It is secreted.

3. It lowers both Calcium and

phosphorus.

4. Increased calcium secretion the

parafollicular cells of the thyroid gland

Which among the following enzymes will be increased in relation to skeletal muscle disease?

Which among the following can cause an elevation in the concentration of phosphates?

1. Overmedication with vitamin D

2. Excessive intake of laxatives

3. Decrease in renal excretion.

4. Patients with lymphoblastic leukemia

What is the expected potassium concentration in serum sample compared to a plasma sample?

Which among the following PATHOLOGIC condition/s will result to amylase activity? an increased

1. Acute pancreatitis

2. Diabetic ketoacidosis 3. Renal insufficiency

4. Macroamylasemia

Identification of hepatocellular damage can be best assessed using which among the following enzymes?

Fill in the blanks:

In the different enzyme assay, the kinetic method measures enzyme______while an endpoint assay measures enzyme________.

Which among the following statements about enzyme is NOT TRUE?

Given the following data, what will be the expected osmolality of the patient? Sodium: 150 mEq/L

Glucose: 80 mg/dl

BUN: 18 mg/dl

Which among the following conditions will result to an elevation of gamma-glutamyl transferase?

1. Liver damage due to chronic alcoholism

2. Drug hepatotoxicity

3. Cholestasis

4. Sclerosing cholangitis

What is the most common cause

Of hyperkalemia in hospitalized patients?

This enzyme catalyzes the reaction which is significant in protecting the cell against damage from products of oxidative phosphorylation. It is can also be determined in conjunction with other acute phase Reactants

Which among the following enzyme/s is/are considered to be the most sensitive enzyme index of primary muscle involvement?

Which among the following statements is/are true about Macro CK 1?

What will be the effect of Vitamin D in the calcium metabolism?

1. Increased absorption from the intestine

2. Increased reabsorption from the kidney tubule

3. Increased sorption from bone

4. Increased uptake by the osteocytes

Which among the ff compounds act as the activator for Amylase

Which among the following is considered to be the major lactate dehydrogenase isoenzyme in serum sample of healthy individuals?

Sarah, 25-year-old patient, was experiencing diarrhea and excretion of fatty stool due to pancreatic insufficiency. What will be the expected result if Sarah has undergone determination of Lipase activity?

The Regan isoenzyme is analogous with the alkaline phosphatase that originates in which of the following tissue/organ?

Which among the following is the recommended method for Cholinesterase determination?

Mane Juan, a 35-year-old farmer, was rushed to the hospital due to pesticide poisoning. One of the tests requested by the physician is determination of cholinesterase activity. What will be the expected result?

Which among the following conditions will result to physiological elevation of serum alkaline phosphatase activity?

1. Osteitis deformans

2. Hyperparathyroidism

3. Diabetes

4. Third trimester of pregnancy

A hospitalized patient who is experiencing neuromuscular irritability should be tested for which among the following compound?

1. Calcium

2. Sodium

3. Potassium

4. Chloride

All of the following compounds are considered as a coenzyme, EXCEPT:

1. NADH

2. Pyridoxal Phosphate

3. NADPH

4. Magnesium

1)Ornithine carbamoyl transferase is a specific marker of liver function that is routinely beingn measured in the laboratory.

2) It catalyzes the relation related to the Krebs-Henseleit cycle.

Which among the following is NOT true about the regulation of potassium?

The following are all conditions associated with hypochloremia with sodium depletion.

EXCEPT:

1. Prolonged vomiting

2. Addison's disease

3. Salt-losing nephritis

4. Increased gastric juice secretion

A 30-year-old male patient was tested for GGT and ALP activity. The result has shown a Normal GGT level with an increased ALP level. Which among the following condition should be considered?

Which among the following methods of determination for Calcium concentration is considered to be the reference method?

Among the following enzymes, which will be significantly affected by hemolysis?

Which of the ff has an effect on plasma calcium levels?

A reciprocal relationship exists between which of the ff electrolytes?

All of the following body fluids can be used to measure chloride, EXCEPT:

A blood sample from a patient who has thrombocytosis was sent to the laboratory for potassium determination, the potassium level would expected to be:

The Fiske-Subbarrow method for inorganic phosphorus is based upon its reaction with what substance?

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

Factors which influence the distribution of potassium within cells, EXCEPT:

Which of the ff would be consistent with primary hypoparathyroidism?

Which of the ff statements is NOT TRUE about chloride?

Patients who excessively clench their first before venipuncture would have an increased level of which of the following electrolytes?

What specimen preparation is commonly used to perform the alkaline phosphatase isoenzyme determination?

All of the ff are causes of hypokalemia, EXCEPT

Which percentage of total serum calcium is non-diffusible protein bound?

In the ortho-cresol phthalein complex one method for calcium determination, what substance is added in order to prevent interference with magnesium?

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

Percentage of the ionized calcium in the blood

Quantitation of Na" and K" by ion- selective is the standard method because:

A patient with the following test result is seen in

1. Serum Calcium-Increased

2. Serum Phosphate-Decreased

3. Parathyroid Hormone Increased