(NHA) MEDICAL ASSISTING
CERTIFICATION STUDY GUIDE
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
CC - ANSWER Chief Complaint
Segment - ANSWER Line between two waveforms
P Wave - ANSWER Arterial Depolarization
How many 1mm boxes are in a 6 second rhythm strip? - ANSWER 30 one millimeter boxes
The SA node represents which waveform on the EKG? - ANSWER Only the P wave
What is the reading you can get from the RR interval? - ANSWER Ventricular Pulse
What is the primary stage of Hemolysis? - ANSWER Vascular phase and platelet phase together
What is Electrophoresis? - ANSWER 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? - ANSWER Turns blue on a positive
test for occult blood in feces
The stages of Hemostasis - ANSWER 1. Vascular, 2. Platelet Phase, 3. Coagulation Phase,
4. Fibronolysis
Blood vessels - ANSWER Aorta, Arteries, Arterioles, Capillaries, Venues, Veins, Superior and Inferior Vena
Cavae
,Outer connective tissue layer of a blood vessel - ANSWER Tunica Adventitia
Inner endothelial tissue of a blood vessel - ANSWER Tunica Intima
The inner smooth layer of a blood vessel - ANSWER Tunica tunica media
The standards of right and wrong in a medical setting - ANSWER Code of Ethics
What do you find in capillaries? - ANSWER A mixture of venous and arterial blood is found
The average adult has how many liters of blood? - ANSWER 5-6 Liters
What is the percentage of water in the blood? - ANSWER 92%
Percentage of plasma in the blood? - ANSWER 55%
Percentage of formed elements in the blood? - ANSWER 45%
99% of formed elements in the blood - ANSWER RBC,s or Erythrocytes
Where do you find hemoglobin? - ANSWER RBC,s
Where do all blood cells originate? - ANSWER Bone marrow
How many RBC,s per microliter of blood - ANSWER 4.2-6.2 million
What is the second most numerous WBC - ANSWER Lymphocyte with 20-40%
, Their numbers increase in intracellular infections and TB - ANSWER Monocytes
Their numbers increase in bacterial infections and are often first on the scene - ANSWER Neutrophils
These WBC,s play an important role in viral infection as well as in immunity - ANSWER Lymphocytes
Number of leukocytes for average adult per microliter - ANSWER 5000-10000
Leukopenia - ANSWER Decrease in WBC,s seen with viral infection and leukemia
Comprises 3-8% of WBC or leukocytes - ANSWER Monocytes
Largest in size of the leukocytes - ANSWER Monocytes
Carries histamine - ANSWER Basophil
Injury to a blood vessel that causes it to constrict, slowing the clod of blood. - ANSWER Vascular phase of
Hemostasis
Preferred site for a venipuncture - ANSWER Antecubital Fossa
Test used to evaluate the intrinsic pathway and monitor heparin therapy - ANSWER APTT also know as
PTT
Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy - ANSWER PT
Fibrinolysis - ANSWER Breakdown and removal of a clot
Converts the temporary platelet plug in a stable fibrin clot - ANSWER Coagulation Phase
CERTIFICATION STUDY GUIDE
QUESTIONS AND ANSWERS WITH
SOLUTIONS 2024
CC - ANSWER Chief Complaint
Segment - ANSWER Line between two waveforms
P Wave - ANSWER Arterial Depolarization
How many 1mm boxes are in a 6 second rhythm strip? - ANSWER 30 one millimeter boxes
The SA node represents which waveform on the EKG? - ANSWER Only the P wave
What is the reading you can get from the RR interval? - ANSWER Ventricular Pulse
What is the primary stage of Hemolysis? - ANSWER Vascular phase and platelet phase together
What is Electrophoresis? - ANSWER 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? - ANSWER Turns blue on a positive
test for occult blood in feces
The stages of Hemostasis - ANSWER 1. Vascular, 2. Platelet Phase, 3. Coagulation Phase,
4. Fibronolysis
Blood vessels - ANSWER Aorta, Arteries, Arterioles, Capillaries, Venues, Veins, Superior and Inferior Vena
Cavae
,Outer connective tissue layer of a blood vessel - ANSWER Tunica Adventitia
Inner endothelial tissue of a blood vessel - ANSWER Tunica Intima
The inner smooth layer of a blood vessel - ANSWER Tunica tunica media
The standards of right and wrong in a medical setting - ANSWER Code of Ethics
What do you find in capillaries? - ANSWER A mixture of venous and arterial blood is found
The average adult has how many liters of blood? - ANSWER 5-6 Liters
What is the percentage of water in the blood? - ANSWER 92%
Percentage of plasma in the blood? - ANSWER 55%
Percentage of formed elements in the blood? - ANSWER 45%
99% of formed elements in the blood - ANSWER RBC,s or Erythrocytes
Where do you find hemoglobin? - ANSWER RBC,s
Where do all blood cells originate? - ANSWER Bone marrow
How many RBC,s per microliter of blood - ANSWER 4.2-6.2 million
What is the second most numerous WBC - ANSWER Lymphocyte with 20-40%
, Their numbers increase in intracellular infections and TB - ANSWER Monocytes
Their numbers increase in bacterial infections and are often first on the scene - ANSWER Neutrophils
These WBC,s play an important role in viral infection as well as in immunity - ANSWER Lymphocytes
Number of leukocytes for average adult per microliter - ANSWER 5000-10000
Leukopenia - ANSWER Decrease in WBC,s seen with viral infection and leukemia
Comprises 3-8% of WBC or leukocytes - ANSWER Monocytes
Largest in size of the leukocytes - ANSWER Monocytes
Carries histamine - ANSWER Basophil
Injury to a blood vessel that causes it to constrict, slowing the clod of blood. - ANSWER Vascular phase of
Hemostasis
Preferred site for a venipuncture - ANSWER Antecubital Fossa
Test used to evaluate the intrinsic pathway and monitor heparin therapy - ANSWER APTT also know as
PTT
Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy - ANSWER PT
Fibrinolysis - ANSWER Breakdown and removal of a clot
Converts the temporary platelet plug in a stable fibrin clot - ANSWER Coagulation Phase
