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NHA Medical Assisting Certification| Exam Review with Verified Solutions| Updated

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NHA Medical Assisting Certification| Exam Review with Verified Solutions| Updated When performing a venipuncture, what is the appropriate angle to insert the needle? 15 to 30 degrees. What should a medical assistant do if they encounter a patient who is nervous about having their blood d...

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  • October 16, 2024
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  • 2024/2025
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NHA Medical Assisting Certification|
Exam Review with Verified Solutions|
Updated 2025-2026

When performing a venipuncture, what is the appropriate angle to insert the needle?

15 to 30 degrees.



What should a medical assistant do if they encounter a patient who is nervous about having their

blood drawn?

Reassure the patient, explain the procedure clearly, and ensure they are comfortable.



Which federal law protects patients’ medical records and personal health information?

The Health Insurance Portability and Accountability Act (HIPAA).



What is the primary function of red blood cells?

To transport oxygen from the lungs to the body tissues and carbon dioxide from the tissues

back to the lungs.



During an EKG, what does the P wave represent?

Atrial depolarization.



What is the best practice for preventing hematoma during a venipuncture?

1

, Apply pressure to the site after needle withdrawal and ensure the needle is properly inserted.



What anatomical structure is responsible for filtering blood and producing urine?

The kidneys.



In the event of a needlestick injury, what is the first action a medical assistant should take?

Wash the area thoroughly with soap and water.



What is the term for the study of the structure and function of the body's organs and systems?

Anatomy and physiology.



When performing a capillary blood draw, where is the most common site?

The fingertip or the heel in infants.



What is the correct order of draw for blood collection tubes?

Blood culture, coagulation (light blue), serum (red), and EDTA (lavender).



In EKG terminology, what does the term "arrhythmia" refer to?

An abnormal heart rhythm.



Which federal law regulates the quality of laboratory testing in the United States?

The Clinical Laboratory Improvement Amendments (CLIA).


2

,What is the purpose of the tourniquet during a venipuncture?

To engorge the veins with blood and make them more visible and easier to puncture.



What is the anatomical position?

The standard position of the body, standing upright with arms at the sides and palms facing

forward.



Which part of the heart is responsible for pumping oxygenated blood to the body?

The left ventricle.



When performing an EKG, what should the medical assistant do to prepare the skin?

Clean the area with an alcohol wipe and ensure it is dry before placing electrodes.



What is the significance of the QRS complex on an EKG?

It represents ventricular depolarization and the contraction of the ventricles.



What is a common complication of venipuncture?

Phlebitis, which is inflammation of the vein.



Which anatomical term describes the location of structures toward the midline of the body?

Medial.



3

, What does the term "baseline" refer to in an EKG?

The flat line indicating no electrical activity, serving as a reference for comparing heart

rhythms.



What should be documented after performing a phlebotomy procedure?

The date, time, site of the draw, and any complications or patient reactions.



In which phase of the cardiac cycle does the heart muscle relax?

Diastole.



What is the main purpose of using antiseptic wipes before a venipuncture?

To reduce the risk of infection by cleaning the skin.



What is the most effective method for ensuring patient confidentiality in a medical office?

Limiting access to patient information to authorized personnel only.



When analyzing an EKG, what could a prolonged QT interval indicate?

A risk for arrhythmias or other cardiac complications.



What is the term for the amount of blood pumped by the heart with each beat?

Stroke volume.



4

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