FREE Certified Phlebotomy Technician(CPT): Basic Questions and Answers

Question 1

Which blood cell is in charge of carrying carbon dioxide and oxygen:

Accepted Answer

Erythrocyte

Answer

Erythrocytes, commonly known as red blood cells, are specialized blood cells primarily responsible for transporting oxygen from the lungs to the body's tissues. They also carry carbon dioxide from the tissues back to the lungs for exhalation. This crucial function is facilitated by the hemoglobin protein contained within the erythrocytes.

Question 2

The blood veins that carry oxygen-rich blood from the heart to the body's tissues and have smooth muscle on their walls.

Accepted Answer

Capillary blood vessels

Answer

Capillary blood vessels are the smallest and most numerous blood vessels, forming a network that connects arterioles and venules. They are the primary site where oxygen and nutrients are exchanged from the blood into the body's tissues, effectively delivering oxygen-rich blood to individual cells. While arteries carry blood from the heart and possess smooth muscle walls, capillaries are the critical interface for the final diffusion of oxygen to the body's tissues.

Question 3

The three arm veins that phlebotomists typically use:

Accepted Answer

Cephalic, median cubital and basilic veins

Answer

The median cubital, cephalic, and basilic veins are the three primary veins phlebotomists typically use for venipuncture in the antecubital fossa. The median cubital vein is generally preferred due to its superficial location, size, and stability. The cephalic and basilic veins serve as alternative sites, with the cephalic often being more accessible on the thumb side and the basilic on the pinky side.

Question 4

Where the antecubital fossa is located?

Accepted Answer

The bend of the elbow, the front of the arm

Answer

The antecubital fossa is the triangular depression located on the anterior (front) aspect of the elbow joint. This area is crucial for phlebotomy because it contains the most commonly used veins for venipuncture. Its accessibility and the superficial nature of these veins make it an ideal site for blood collection.

Question 5

The correct name of the blood cell type that protects the body from pathogens, parasites, bacteria, and allergens:

Accepted Answer

Basophils

Answer

Basophils are a type of white blood cell that plays a crucial role in the body's immune response, particularly in allergic reactions and inflammation. They release histamine and other chemical mediators, which contribute to the inflammatory process. This response helps to recruit other immune cells to combat various threats, including pathogens, parasites, and bacteria, while also directly mediating reactions to allergens.

Certified Phlebotomy Technician Exam Practice Test

Certified Phlebotomy Technician Exam Practice Test

FREE Certified Phlebotomy Technician(CPT): Basic Questions and Answers