Whole blood mostly consist of ____________. correct answers water
Rationale - whole blood is composed of water, solutes, and cells. Whole blood is 55-60% plasma
and 40-45% cells. Plasma is about 92% wate
Which type of blood cells are responsible for gas exchange in circulating blood? correct answers
Red blood cells
Rationale - Red blood cells (erythrocytes) transport oxygen and help transport Carbon Dioxide.
Professional negligence is also called: correct answers malpractice
Which of the following is the most important for phlebotomists to keep in mind during their
daily routine in medical settings? correct answers Confidentiality
Rationale - Patient confidentiality is the most important part of the health care industry.
Which department performs chemical screening tests on urine specimens? correct answers
Urinanalysis
Rationale - The urinalysis department performs chemical screening on urine specimens as part of
a urinalysis test
Which department monitors warfarin therapy? correct answers coagulation
Rationale - Warfarin is an anticoagulant and is monitored closely by the prothrombin time test
which is performed in the coagulation department
Which type of blood cell is responsible for defense and immunity? correct answers WBC
Rationale - Leukocytes (white blood cells) are responsible for defense and immunity
The liquid portion of a blood specimen (without an anticoagulant) is called: correct answers
Serum
What is the scrubbing of instruments with special brushes and detergents to remove blood,
mucous, etc. called? correct answers Sanitization
Rationale - Sanitization is the scrubbing of instruments with special brushes and detergents to
remove blood, mucous, etc
________________ involves a soaking or wiping process and inhibits the activity of disease-
causing organisms. correct answers Disinfection
, Rationale - Disinfecting is the process that destroys microorganisms
What is the process used for supplies that will come in contact with internal body tissue or an
open wound? It involves the use of heat (steam) and an autoclave. correct answers Sterilization
Rationale - Sterilization is the process that destroys microorganisms and includes either heat or
cold water
Which blood test includes WBC, RBS, hemoglobin, and hematocrit? correct answers CBC
Rationale - A CBC includes a WBC, RBC's, platelets, hemoglobin and hematocrit
The most common blood type is: correct answers O
Rationale - 45% of the population have type O blood
What are small red spots on a patient's skin due to a blood clotting abnormalities referred to as?
correct answers Petechiae
A decrease in the plasma volume with an increased concentration of cells and larger molecules is
referred to as: correct answers hemoconcentration
If the tourniquet is applied for longer than three minutes, which of the following analytes will
most likely become falsely elevated? correct answers potassium
A hospitalized patient may not be identified by which of the following means? correct answers
Patient's Chart
The most common sites for venipuncture are in which of the following areas?The most common
sites for venipuncture are in which of the following areas? correct answers The antecubital area
of the arm
Using a butterfly needle is beneficial for: correct answers Geriatric patients
What effect does warming the site have on venipuncture? correct answers Increases localized
blood flow
Diagnosis and treatment of diseases characterized by joint inflammation is part of which medical
specialty? correct answers Rheumatology
The total amount of blood pumped out of the heart in one minute is known as the: correct
answers Cardiac Output
Rationale - the amount of blood ejected by either ventricle per minute is the cardiac output