(NHA) Medical Assisting Certification
Study Guide
Analytical errors After collection of blood - Answer-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 - Answer-Patient misidentification, improper
time, wrong tubes, not fasting, exercise (Cortisol levels), Pt. Posture, Poor coordination
with other treatments, improper site prep, medication interference
2 methods of medical asepsis - Answer-Standard and transmission-based precautions
2nd choice vein for venipuncture and most often the only one palatable in an obese Pt. -
Answer-Cephalic vein
3 skills of the phlebotomist - Answer-Social, clerical, technical
99% of formed elements in the blood - Answer-RBC,s or Erythrocytes
A low power microscope has a magnifying power of - Answer-100X
A muscular hollow organ located in the thoracic cavity between lungs - Answer-
Epicardium
A positive holter is one that recorded at least one or more of these abnormalities -
Answer-Tachy, bradycardia, ST segment elevation or depression, and pauses
A positive urine nitrate test is an indication for - Answer-A significant number of bacteria
are present
A urine pH of what is considered neutral? - Answer-7.0 pH
Abbreviation for decimeter - Answer-dm
Abbreviation of microliter - Answer-ul
ABG, ammonia, lactic acid, pyruvate, parathyroid test handling - Answer-Chilled in
crushed ice and water mixture
Acts a pacemaker when higher level pacemakers fail - Answer-Purkinjie fibers
,Additives in a green top tube - Answer-Heparin, sodium, lithium, ammonium
Agents are - Answer-Any infective microorganisms, viruses, fungi, bacteria, and
parasites
0.1mV on EKG paper measures - Answer-1mm
0.3 meter of tubing is how many inches - Answer-12 inches
1000 meter are equal to - Answer-1km
1kg is how many pounds - Answer-2.2 pounds
1mm to inches - Answer-0.04
Analytical errors during collection of blood - Answer-Extended tourniquet time,
hemolysis, wrong order of draw, failure to invert tubes, faulty technique under filling
tubes
Anthropometric measurements - Answer-BMI and growth development in infants,
children, and adults
Arteries supplying the heart - Answer-Right and left coronary from the aorta
Automaticity - Answer-Ability of the cardiac cells to initiate own electrical impulses
without outside stimulation
Average gauge of needle used for drawing blood - Answer-21-22
Axillary temperature range in Celsius - Answer-35.9-37.0 C
Bacteria that are decolorized completely by ethanol and take safrin counterstain -
Answer-Gram negative bacteria, appear red
Bacteria that take up and retain the crystal violet and resist alcohol discoloration -
Answer-Gram positive bacteria, appear blue to black
bid - Answer-Twice a day
Bili - Answer-Bile
Blood vessels - Answer-Aorta, Arteries, Arterioles, Capillaries, Venues, Veins, Superior
and Inferior Vena Cavae
, Boiling water in today's medical environment is limited to items that - Answer-Will not be
used in invasive procedures, will not be interested inside the body nor in sterile
procedures
BP cuffs too short and narrow can give a false reading of what? - Answer-Hypertension
Butterfly - Answer-Winged infusion set
Carries histamine - Answer-Basophil
Caused by diseases of the valves or other structural abnormalities - Answer-Murmurs
CC - Answer-Chief Complaint
Cold agglutinins - Answer-Antibodies produced in response to atypical pneumonia, must
be kept at 37 C
Common test for the red topped tube - Answer-Serum Chemistry tests, serology tests,
blood bank (Glass only)
Common tests for the lavender EDTA tube - Answer-CBC, differential or diff, ESR,
sickle cell screening
Common tests for this color tube are Chemistry tests performed on plasma such as
ammonia, carboxyhemoglobin and STAT electrolytes - Answer-Green top tube
(Heparin) tests
Comprises 3-8% of WBC or leukocytes - Answer-Monocytes
Conduction block - Answer-Electrical impulses of the heart bypass the normal pathway
and instead go down an accessory shortcut
Consequence of insufficient pressure applied after withdrawal of a needle - Answer-
Thrombus
Consists of anterior, middle and posterior divisions that distribute electrical impulses by
SA to Av node - Answer-Internodal pathway
Consists of injury to another person's reputation, name, or character through spoken
(Slander) or written (Libel) - Answer-Defamation of character
Continuous fever - Answer-Remains constant above baseline, does not fluctuate
Contractibility - Answer-Ability of cardiac cells to shorten (Muscles contraction) in
response to electrical stimulus
