(NHA) Medical Assisting Certification Study Guide
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Update 2024
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
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