(NHA) Medical Assisting Certification
Study Guide
Specifically for students from the MA program in Job Corps. This is a study guide for the NHA
Certification as a Clinical Medical Assistant. Guide covers phlebotomy, EKGs, anatomy and
physiology, clinical skills, federal laws and programs (e.g. HIPPA), and treatment of patients.
0.1mV on EKG paper measures - ✅✅-1mm
0.3 meter of tubing is how many inches - ✅✅-12 inches
1kg is how many pounds - ✅✅-2.2 pounds
1mm to inches - ✅✅-0.04
2 methods of medical asepsis - ✅✅-Standard and transmission-based precautions
2nd choice vein for venipuncture and most often the only one palatable in an obese Pt. - ✅✅-Cephalic
vein
,3 skills of the phlebotomist - ✅✅-Social, clerical, technical
99% of formed elements in the blood - ✅✅-RBC,s or Erythrocytes
1000 meter are equal to - ✅✅-1km
A low power microscope has a magnifying power of - ✅✅-100X
A muscular hollow organ located in the thoracic cavity between lungs - ✅✅-Epicardium
A positive holter is one that recorded at least one or more of these abnormalities - ✅✅-Tachy,
bradycardia, ST segment elevation or depression, and pauses
A positive urine nitrate test is an indication for - ✅✅-A significant number of bacteria are present
A urine pH of what is considered neutral? - ✅✅-7.0 pH
Abbreviation for decimeter - ✅✅-dm
,Abbreviation of microliter - ✅✅-ul
ABG, ammonia, lactic acid, pyruvate, parathyroid test handling - ✅✅-Chilled in crushed ice and water
mixture
Acts a pacemaker when higher level pacemakers fail - ✅✅-Purkinjie fibers
Additives in a green top tube - ✅✅-Heparin, sodium, lithium, ammonium
Agents are - ✅✅-Any infective microorganisms, viruses, fungi, bacteria, and parasites
Analytical errors After collection of blood - ✅✅-Failure to separate serum from cell (Glycolisis),
improper use of serum separator (Not inverting tubes or not spinning tubes), delays in processing,
exposure to light, improper storage conditions, dimming clots
Analytical errors before collection of blood - ✅✅-Patient misidentification, improper time, wrong
tubes, not fasting, exercise (Cortisol levels), Pt. Posture, Poor coordination with other treatments,
improper site prep, medication interference
, Analytical errors during collection of blood - ✅✅-Extended tourniquet time, hemolysis, wrong order of
draw, failure to invert tubes, faulty technique under filling tubes
Anthropometric measurements - ✅✅-BMI and growth development in infants, children, and adults
Antiseptic not used on a dermal puncture site - ✅✅-Betadine (Because it interferes with several tests
like bilirubin, uric acid, phosphorus, and postassim)
Antiseptics used in Phlebotomy - ✅✅-70% isopropyl alcohol pads most common, provolone - iodine for
BC,s and Chlorhexidine gluconate for patients that are allergic to Betadine/ Iodine
Arteries supplying the heart - ✅✅-Right and left coronary from the aorta
Automaticity - ✅✅-Ability of the cardiac cells to initiate own electrical impulses without outside
stimulation
Average gauge of needle used for drawing blood - ✅✅-21-22
