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NHA CCMA questions and answers 2022/23
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NHA CCMA questions and answers 2022/23 NHA CCMA questions and answers 2022/23 NHA CCMA questions and answers 2022/23
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1NHA CCMA questions and answers
2022/23
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
, 2
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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