AMCA Practice Test 1
Whole blood mostly consist of ____________. - correct answer-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
answer-Red blood cells
Rationale - Red blood cells (erythrocytes) transport oxygen and help transport Carbon
Dioxide.
Professional negligence is also called: - correct answer-malpractice
Which of the following is the most important for phlebotomists to keep in mind during their
daily routine in medical settings? - correct answer-Confidentiality
Rationale - Patient confidentiality is the most important part of the health care industry.
Which department performs chemical screening tests on urine specimens? - correct
answer-Urinanalysis
Rationale - The urinalysis department performs chemical screening on urine specimens as
part of a urinalysis test
Which department monitors warfarin therapy? - correct answer-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 answer-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
answer-Serum
What is the scrubbing of instruments with special brushes and detergents to remove blood,
mucous, etc. called? - correct answer-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 answer-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
answer-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 answer-CBC
Rationale - A CBC includes a WBC, RBC's, platelets, hemoglobin and hematocrit
The most common blood type is: - correct answer-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 answer-Petechiae
A decrease in the plasma volume with an increased concentration of cells and larger
molecules is referred to as: - correct answer-hemoconcentration
If the tourniquet is applied for longer than three minutes, which of the following analytes will
most likely become falsely elevated? - correct answer-potassium
A hospitalized patient may not be identified by which of the following means? - correct
answer-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 answer-The
antecubital area of the arm
Using a butterfly needle is beneficial for: - correct answer-Geriatric patients
What effect does warming the site have on venipuncture? - correct answer-Increases
localized blood flow
Diagnosis and treatment of diseases characterized by joint inflammation is part of which
medical specialty? - correct answer-Rheumatology
The total amount of blood pumped out of the heart in one minute is known as the: - correct
answer-Cardiac Output
Rationale - the amount of blood ejected by either ventricle per minute is the cardiac output
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