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(NHA) Medical Assisting Certification Study Guide.
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(NHA) Medical Assisting Certification StudyGuide
CC -
Chief Complaint
Segment -
Line between two waveforms
P Wave -
Arterial Depolarization
How many 1mm boxes are in a 6 second rhythm strip? -
30 one millimeter boxes
The SA node represents which waveform on the EKG? -
Only the P wave
What is the reading you can get from the RR interval? -
Ventricular Pulse
What is the primary stage of Hemolysis? -
Vascular phase and platelet phase together
What is Electrophoresis? -
Analyzation of the chemical components of blood, e.g. hemoglobin, serum, urine, cerebrospinal
fluid based on electrical charge.
,Positive testing for occult blood in a stool sample turns which color? -
Turns blue on a positive test for occult blood in feces
The stages of Hemostasis -
1. Vascular, 2. Platelet Phase, 3. Coagulation Phase,
4. Fibronolysis
Blood vessels -
Aorta, Arteries, Arterioles, Capillaries, Venues, Veins, Superior and Inferior Vena Cavae
Outer connective tissue layer of a blood vessel -
Tunica Adventitia
Inner endothelial tissue of a blood vessel -
Tunica Intima
The inner smooth layer of a blood vessel -
Tunica tunica media
The standards of right and wrong in a medical setting -
Code of Ethics
What do you find in capillaries? -
A mixture of venous and arterial blood is found
The average adult has how many liters of blood? -
5-6 Liters
What is the percentage of water in the blood? -
, 92%
Percentage of plasma in the blood? -
55%
Percentage of formed elements in the blood? -
45%
99% of formed elements in the blood -
RBC,s or Erythrocytes
Where do you find hemoglobin? -
RBC,s
Where do all blood cells originate? -
Bone marrow
How many RBC,s per microliter of blood -
4.2-6.2 million
What is the second most numerous WBC -
Lymphocyte with 20-40%
Their numbers increase in intracellular infections and TB -
Monocytes
Their numbers increase in bacterial infections and are often first on the scene -
Neutrophils
, These WBC,s play an important role in viral infection as well as in immunity -
Lymphocytes
Number of leukocytes for average adult per microliter -
5000-10000
Leukopenia -
Decrease in WBC,s seen with viral infection and leukemia
Comprises 3-8% of WBC or leukocytes -
Monocytes
Largest in size of the leukocytes -
Monocytes
Carries histamine -
Basophil
Injury to a blood vessel that causes it to constrict, slowing the clod of blood. -
Vascular phase of Hemostasis
Preferred site for a venipuncture -
Antecubital Fossa
Test used to evaluate the intrinsic pathway and monitor heparin therapy -
APTT also know as PTT
Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy -
PT
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