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NHA CCMA EXAM/251 QUESTIONS AND ANSWERS (Certification Study Guide)
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NHA CCMA EXAM/251 QUESTIONS AND ANSWERS(Certification Study Guide)
CC - -Chief Complaint
-Segment - -Line between two wave forms
-P-wave - -Atrial Depolarization
-How many 1mm boxes are in a 6 second Rythm 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 Hemolisis? - -Vascular phase and platelet
phase together
-What is Electophoresis? - -Analyzation of the chemical components of
blood e.g. hemoglobin, serum, urinem cerebrospinal fluid based on electrical
charge.
-Positive testing for occult blood in a stool sample turn 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 layer of a blood vessel - -Tunica Intima
-The inner smooth layer of a blood vessel - -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 blood? - -92%
-Percentage of plasma in blood - -55%
-Percentage of Formed Elements in the blood - -45%
-99% of formed elements in blood - -RBC's or Erythrocytes
-Where 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 often are first on 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 micrometer - -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 clot of blood -
-Cascular phase of hemostasis
-Preferred site for 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
-Fibrinolysis - -Breakdown and removal of a clot
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