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Frequently Tested Questions With ELABORATED
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1. The liquid portion of a blood specimen (without an anticoagulant) is called:
Select one:
a. Serum
b. Oxygenated blood
c. Cellular components
d. Plasma - Correct Answer: Rationale - Plasma is the liquid portion of blood
The correct answer is: Serum
2. This is the scrubbing of instruments with special brushes and detergents to remove
blood, mucous, etc.
Select one:
a. Sanitization
b. Sterilization
c. Disinfection
d. Distillation - Correct Answer: Rationale - Sanitization is the scrubbing of
instruments with special brushes and detergents to remove blood, mucous, etc
The correct answer is: Sanitization
3. This is the process that involves a soaking or wiping process and inhibits the activity of
disease-causing organisms.
Select one:
a. Disinfection
b. Treated with antiseptics
c. Sanitizing
, d. Sterilization - Correct Answer: Rationale - Disinfecting is the process that
destroys microorganisms
The correct answer is: Disinfection
4. The process used for supplies that would come in contact with internal body tissue or an
open wound. It involves the use of heat (steam) and an autoclave.
Select one:
a. Sanitization
b. Disinfection
c. Surgical asepsis
d. Sterilization - Correct Answer: Rationale - Sterilization is the process that
destroys microorganisms and includes either heat or cold water
The correct answer is: Sterilization
5. Which blood test includes WBC and RBS counts, hemoglobin and hematocrit?
Select one:
a. Hgb, Hct
b. PTT
c. CBC
d. Blood typing - Correct Answer: Rationale - A CBC includes a WBC, RBC's,
platelets, hemoglobin and hematocrit
The correct answer is: CBC
6. The most common blood type is:
Select one:
a. A
b. B
c. AB
d. O - Correct Answer: Rationale - 45% of the population have type O blood
The correct answer is: O
7. Small red spots on a patient's skin due to a blood clotting abnormality is referred to as:
Select one:
a. Petechiae
, b. Hemolysis
c. Syncope
d. Hemoconentration - Correct Answer: Rationale - Petechiae is small, red,
smooth hemorrhagic spots appearing on a patient's skin
The correct answer is: Petechiae
8. A decrease in the plasma volume with an increased concentration of cells and larger
molecules is referred to as:
Select one:
a. Hemoconcentration
b. Hemotherapy
c. Hemolysis
d. Scleroses - Correct Answer: Rationale - Hemoconcentration is a decrease in
plasma volume, with an increased concentration of cells and larger molecules -
could be caused by squeezing, probing or prolonged tourniquet application.
The correct answer is: Hemoconcentration
9. If the tourniquet is applied for longer than three minutes, which of the following
analytes will most likely become falsely elevated?
Select one:
a. Parathyroid hormone
b. Bilirubin
c. Potassium
d. GGT - Correct Answer: Rationale - Plasma, cholesterol, iron, lipid protein and
potassium levels will be falsely elevated if tourniquet is too tight or prolonged
The correct answer is: Potassium
A hospitalized patient may not be identified by which of the following means?