Calculate the mean of the following set of data. 12, 10, 4, 7, 8, 15, 7, 8, 9, 10

What is the final dilution of a 0.2 ml of patient sample mixed with 4.8 ml of water?

Express 350 mg/dl NaCl as MEq/L

The weight of sodium sulfate that is needed to prepare 500 ml of a 23% solution is:

The weight of NaOH required to prepare 3000 ml of a 0.5 M solution is:

The amount of the Ba(OH)2 required to prepare 1 liter of 0.3 N barium hydroxide solution is:

The number of milligrams of Sodium Chloride required to prepare 3 liters of 0.2M solution is:

How many milliliters of concentrated H2So4 (36N) is required to prepare 500 ml of 2/3 N H2SO4 solution?

What is the normality of a solution prepared by diluting 50 ml of 2.5 N NaOH to a final volume of 1 liter?

A microgram is:

A chloride concentration of 355 mg/dl is the same as:

How many ml of 0.1 N HCl will be prepared to neutralize 2 ml of 0.0985 N NaOH?

A serum specimen was diluted 1:10, and this diluted solution was further diluted 1:3. What is the concentration of the final solution if the concentration of the diluted specimen is 20 mg%?

A good analytical balance will have an accuracy to the nearest:

20 ul is equivalent to:

1 nanometer equals:

1 milliliter equals:

A serum sample of 0.5 ml is diluted with 2.0 ml of distilled water. The resulting dilution factor is:

1 gram equals

What weight of sodium chloride is present in a molar solution?

A one molar solution of sulfuric acid contains 98 gm. What would a one normal solution contain?

One equivalent weight per liter equals:

98.6 degree F of body temperature is the same as:

Molarity is equal to:

What is the normality o a solution made with 100 grams of NaCl diluted to 1 liter with distilled water?

How much CuSO4 is needed to make up 1 liter of 2.5 M CuSO4?

If 10 milligrams of CaCl2 is diluted with distilled water to 200 ml, what is the concentration in mg/dl?

What volume of 14N H2SO4 is needed to make 250 ml of 3.2 M H2SO4?

Perform the conversion of 200 ul to ml

Perform the conversion of 50 ml to L:

A 0.9% solution of NaCl contains:

The following equation can be used to convert solutions of one normality to another:

A lavender specimen collection tube contains which additive?

A light blue specimen collection tube contains which additive?

A green specimen collection tube contains which additive?

A gray specimen collection tube contains which additive?

Fasting blood is necessary for some chemistry tests because certain values increase substantially after eating. Which of the following does NOT require a fasting specimen?

Which of the following will happen if serum is allowed to remain on the clot for an extended time?

Blood specimens are not acceptable for lab testing when which of the following is noted?

Which of the following should be collected from an adult for a test requiring 4 ml of serum?

Which of the following is an alternation to the ratio of dissolved chemicals and plasma at a blood collection site as a result of prolonged tourniquet application?

What is the maximum allowable depth for a hell puncture?

At what angle should a venipuncture needle penetrate the skin?

What is the correct order of draw for the following tubes if following the CLSI (formerly NCCLS) standard? EDTA, heparin, citrate, no additive, gray

What information is included on NFPA labels?

Which of the following is not considered a PPE item?

When pipetting concentrated acid or alkali, it should always be done:

If someone spilled concentrated acid on the floor, you would:

Which of the following best provides important safety information to a technician about a chemical being used in the laboratory?

Which of the following is considered a pre-analytical variable?

Which of the following refers to reproducibility?

Which of the following is a gradual change in the mean?

Given the following set of data, calculate the mean, SD and CV. Report each to the tenth’s position. 101, 103, 105, 99, 108, 101, 100, 98, 102

Which of the following is the correct sequence of applying the Westgard Multirule when evaluating QC results?

Reference intervals typically represent what range of values in a group of results fromhealthy individuals?

The ability of a procedure to measure only the analyte it claims to measure is called

As a general rule, what range of values is used as the 95% confidence limits?

In a normal population the mean value plus or minus two standard deviations indicated that a percentage of the population will have a value outside this range and still belong to the normal group. This percentage is:

In a chemical reaction, loss of electrons is:

To prepare a working standard solution from a stock standard, the technician should use which of the following pieces of glassware?

A pipette etched with a ring near the mouth end should be:

A pipette marked TC (to contain) should be:

Volumetric flasks are:

A patient with hemolytic anemia will

A beaker is most commonly used for:

A graduated cylinder is most commonly used for:

Two kinds of volumetric glassware used in the laboratory are:

A brand or type of glassware most commonly used in laboratory work is:

The National Bureau of Standards determines specifications for calibrations of:

The breakdown of red blood cells is termed:

What is the name used to describe the liquid part of the blood containing the clotting factor fibrinogen?

Freezing whole blood must be avoided because:

A solution which tends to maintain a given hydrogen ion concentration is called a/an:

Most chemical anticoagulants prevent coagulation by removal of:

A molar solution is:

Normality is

The equivalent weight, in general, is equal to:

The temperature at which all volumetric pipettes are calibrated is:

The most commonly used oil immersion lens magnifies:

When using a volumetric pipet, the last drop of liquid:

In using a centrifuge:

Which of the following statements about potentiometry are true?

Which of the following statements about fluorometry are true?

Turbidimetry measures

Which colligative property is most commonly used on osmometers in the clinical laboratory?

In chromatography procedures, this is considered the sample chamber

Chromatography procedures are most commonly used to measure what substances in the laboratory?

In ISE analyzers, the sodium electrode is made up of

What wavelength range includes ultraviolet light?

Mathematically, absorbance may be written in all of the following ways except:

The absorbance of a calcium standard containing 9.3 mg/dl of calcium was 0.494. The absorbance of the control sear was 0.504. The procedure follows Beer’s. The concentration of the control is _______.

Optical density is defined as:

White light is:

The Beer-Lambert Law states that “color intensity at a constant depth” is:

A CuSO4 solution looks blue because it

The purpose of the “blank” tube is:

A standard solution is:

The pathway of light in the spectrophotometer is:

An absorbence reading of zero is equivalent to transmittance of:

Carbohydrates are composed primarily of: