FREE National Certified Phlebotomy Technician (CPT) Questions and Answers


What is the term for an increase in red blood cells brought on by a reduction in plasma volume?

Correct! Wrong!

An increase in red blood cells due to a decrease in plasma volume is referred to as hemoconcentration. Hemoconcentration occurs when there is a decrease in the liquid component of blood (plasma) relative to the cellular components, particularly red blood cells (RBCs).

Which one of the following is collected by capillary tubes?

Correct! Wrong!

Capillary tubes are indeed used for collecting blood in certain situations. Capillary tubes are thin, cylindrical tubes made of glass or plastic that are specifically designed for the collection of capillary blood samples. Capillary blood samples are obtained through procedures such as finger sticks or heel sticks.

What are the stages of the infection chain?

Correct! Wrong!

The terms "source," "mode of transmission," and "susceptible host" are indeed key components of the chain of infection. The chain of infection is a concept used in epidemiology to describe the process by which infectious diseases spread. It consists of several interconnected steps or links that must be present for an infection to occur and continue its transmission.

What other work relates to systolic and diastolic pressure?

Correct! Wrong!

The terms "contraction" and "relaxation" can be used to describe the phases of the cardiac cycle and can be equated with the terms "systolic" and "diastolic" respectively.

Which of the subsequent claims is accurate?

Please select 2 correct answers

Correct! Wrong!

A lancet is a crucial tool for performing a finger stick, also known as a finger prick or capillary blood sampling. In this procedure, a lancet is used to create a small puncture or incision on the fingertip, allowing for the collection of a small blood sample for testing or monitoring purposes.

Which of the following is true regarding the need for warming babies before a heel puncture?

Correct! Wrong!

The purpose of warming infants prior to a heel puncture (also known as a heel stick or capillary blood sampling) is to increase blood flow to the puncture site. Warming the infant's heel helps dilate the blood vessels in the area, making it easier to obtain an adequate blood sample for testing.

What exactly is contamination?

Correct! Wrong!

Contamination refers to the process by which an area or object becomes unclean or dirty. It involves the introduction of harmful or undesired substances, microorganisms, or pollutants into an environment or onto a surface, compromising its cleanliness or safety.

Which of the following sums up hemodialysis the best?

Correct! Wrong!

The process of purifying the blood of a person whose kidneys aren't functioning normally is best defined as hemodialysis. Hemodialysis is a medical procedure used to treat individuals with end-stage renal disease (ESRD) or acute kidney injury (AKI) by removing waste products, excess fluids, and toxins from the bloodstream.

What exactly are antiseptics?

Correct! Wrong!

Antiseptics are chemical substances used to clean and disinfect human skin by inhibiting the growth of microorganisms. They are applied to the skin or mucous membranes to reduce the number of bacteria, fungi, viruses, and other microorganisms present. Antiseptics are commonly used in healthcare settings, including hospitals, clinics, and during various medical procedures.

Which of the following will happen if tubes are chilled?

Correct! Wrong!

If tubes are chilled, it can result in slowed gel flow in certain types of tubes used for laboratory testing. Gel tubes are commonly used in blood collection to separate serum or plasma from the cellular components of the blood.

Which of the following best describes the study of blood cells?

Correct! Wrong!

Hematology is the branch of medicine and biology that focuses on the study of cells in the blood and their related disorders. It encompasses the examination, diagnosis, treatment, and prevention of various conditions affecting blood cells, including red blood cells, white blood cells, and platelets.

Which of the following is most crucial for a peak and trough sample to be successful and effective?

Correct! Wrong!

Timing is crucial for an effective and successful peak and trough sample collection. Peak and trough levels are measurements of the highest and lowest concentrations of a drug in the bloodstream, respectively. These samples are typically collected to monitor the therapeutic drug levels and ensure optimal dosing and patient safety.

How much time should a phlebotomist spend washing their hands?

Correct! Wrong!

Proper handwashing is essential for infection control in healthcare settings, including phlebotomy procedures. It helps reduce the risk of spreading pathogens between patients and healthcare workers.

The most typical method of transmission of ______ is by blood.

Correct! Wrong!

Blood is indeed the most common source of transmission for Hepatitis B (HBV), Hepatitis C (HCV), and Human Immunodeficiency Virus (HIV). These bloodborne pathogens can be transmitted through contact with infected blood or blood products.

The human body is always covered in?

Correct! Wrong!

It is true that human skin is always covered with bacteria. The human skin is home to a diverse microbial community known as the skin microbiota or skin microbiome. This microbial community consists of various types of bacteria, fungi, viruses, and other microorganisms.

Which of the following is the best approach to take when evaluating a venipuncture site?

Correct! Wrong!

When assessing a venipuncture site, the use of the sense of touch (palpation) is indeed most appropriate and commonly employed by healthcare professionals. Palpation allows the healthcare provider to assess the condition of the veins and determine their suitability for venipuncture.

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