FREE Certified Phlebotomy Technician (CPT) General Questions and Answers

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Which tube is occasionally referred to as a serum separator tube?

Correct! Wrong!

A tube that is sometimes called a serum separator tube is Red/Gray. This tube contains a gel at the bottom that separates serum from the blood clot during centrifugation, allowing for easy extraction of the serum.

Which fluid a lumbar puncture can extract.

Correct! Wrong!

The fluid obtained by lumbar puncture is cerebrospinal fluid.

The foundation of _________ is treating every specimen as though it were dangerous and infected.

Correct! Wrong!

Treating all specimens as if they are hazardous and infectious is the basis for Universal Precautions.

What unique handling is needed for an ABG?

Correct! Wrong!

Arterial blood gas (ABG) samples require special handling to prevent changes in pH and other blood gas values. The sample should be placed on ice immediately after collection and transported to the laboratory as soon as possible.

The pressure is highest when the heart is contracting. The term for this pressure is the ______.

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When the heart is contracting and pumping blood into the arteries, the pressure exerted on the arterial walls is at its highest. This highest pressure is called the systolic pressure.
Systolic pressure is the top number in a blood pressure reading and represents the force exerted on the arterial walls during each heartbeat. It is typically measured in millimeters of mercury (mmHg). For example, a blood pressure reading of 120/80 mmHg indicates a systolic pressure of 120 mmHg.

You should _________ when you enter a room that has isolation signs.

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When entering a room marked with isolation signs, it is essential to read the isolation signs to determine what personal protective equipment (PPE) is appropriate for entering the room.
Isolation signs are typically posted on the door or outside the room to indicate the specific type of isolation precautions in place. These precautions are implemented to prevent the transmission of infectious agents and protect both healthcare workers and other individuals from potential exposure.

It is essential to _________ when collecting blood using evacuated tubes.

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Those are all correct points to remember when using evacuated tubes for blood collection. It is important to adhere to proper blood collection techniques and the instructions provided by the tube manufacturer and the laboratory where the samples will be analyzed.

For PTT, which tube is utilized?

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PTT (Partial Thromboplastin Time) is performed using a blue top tube, also known as sodium citrate tube, which contains a 3.2% sodium citrate solution. The anticoagulant property of citrate prevents blood from clotting by binding to calcium in the blood, making it the ideal tube for coagulation studies.

It is known as _________ to utilize a chemical process to destroy all microbiological life, including extremely resistant bacterial endospores.

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The use of a chemical procedure to destroy all microbial life, including highly resistant bacterial endospores, is called sterilization. Sterilization is a critical process used in various settings, such as healthcare facilities, laboratories, and industrial applications, to eliminate or inactivate all forms of microorganisms, including bacteria, viruses, fungi, and spores.

A pink tube of additive contains:

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The additive in a pink tube is indeed EDTA (Ethylenediaminetetraacetic acid).

The proper place to dispose of a tube adapter that has been clearly tainted with blood is _________.

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A tube adapter that has been visibly contaminated with blood or other potentially infectious materials should be disposed of in a biohazardous waste container.
Biohazardous waste containers are specifically designed to safely collect and contain materials that may pose a biological risk, such as blood, bodily fluids, or items contaminated with blood. These containers are labeled with biohazard symbols and are usually red or prominently colored to indicate their purpose.

All healthcare professionals should maintain sterility when handling _________ since germs and other microbes can be found anywhere.

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In many routine healthcare activities, maintaining a clean and disinfected environment is sufficient to prevent the spread of infections. This involves proper hand hygiene, cleaning and disinfection of equipment, using appropriate barriers (such as gloves) when necessary, and following standard precautions.

When manually labeling a blood collection tube from an outpatient, what information must be written on it?

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When manually labeling a blood collection tube from an outpatient, all of the following information should typically be included:
Date and time of draw
Patients full name and phlebotomist initials
Date of patients birth and/or social security number

Being unfit, either physically or mentally, is _________.

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In the context of professional roles or responsibilities, lack of physical or mental fitness can indeed be considered as a form of incompetence. Incompetence generally refers to an individual's inability to perform their duties or responsibilities at the expected level of skill, knowledge, or capability due to various factors, including physical or mental limitations.

Compared to arteries, veins are placed deeper.

Correct! Wrong!

False. Arteries are typically located deeper than veins.

Which one would be a pre-analytical mistake?

Correct! Wrong!

Improper time of collection would be considered a pre-analytical error.

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