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(NHA) Medical Assisting Certification Study Guide.

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(NHA) Medical Assisting Certification Study Guide.

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  • February 16, 2024
  • 34
  • 2023/2024
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(NHA) Medical Assisting Certification Study
Guide
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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