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NHA Medical Assisting Cert Study Guide Questions and Critical Answers 2023/2024 €12,81
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NHA Medical Assisting Cert Study Guide Questions and Critical Answers 2023/2024
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NHA Medical Assisting Cert Study Guide Questions and Critical Answers 2023/2024 CC - correct answer Chief Complaint Segment - correct answer Line between two waveforms P Wave - correct answer Arterial Depolarization How many 1mm boxes are in a 6 second rhythm strip? - correct answer 30 on...

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  • 10 februari 2024
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Voorbeeld van de inhoud

(NHA) Medical Assisting Certification
Study Guide
CC - correct answer Chief Complaint

Segment - correct answer Line between two waveforms

P Wave - correct answer Arterial Depolarization

How many 1mm boxes are in a 6 second rhythm strip? - correct answer 30 one
millimeter boxes

The SA node represents which waveform on the EKG? - correct answer Only the P
wave

What is the reading you can get from the RR interval? - correct answer Ventricular
Pulse

What is the primary stage of Hemolysis? - correct answer Vascular phase and platelet
phase together

What is Electrophoresis? - correct 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? - correct answer
Turns blue on a positive test for occult blood in feces

The stages of Hemostasis - correct answer 1. Vascular, 2. Platelet Phase, 3.
Coagulation Phase,
4. Fibronolysis

Blood vessels - correct answer Aorta, Arteries, Arterioles, Capillaries, Venues, Veins,
Superior and Inferior Vena Cavae

Outer connective tissue layer of a blood vessel - correct answer Tunica Adventitia

Inner endothelial tissue of a blood vessel - correct answer Tunica Intima

The inner smooth layer of a blood vessel - correct answer Tunica tunica media

The standards of right and wrong in a medical setting - correct answer Code of Ethics

What do you find in capillaries? - correct answer A mixture of venous and arterial blood
is found

,The average adult has how many liters of blood? - correct answer 5-6 Liters

What is the percentage of water in the blood? - correct answer 92%

Percentage of plasma in the blood? - correct answer 55%

Percentage of formed elements in the blood? - correct answer 45%

99% of formed elements in the blood - correct answer RBC,s or Erythrocytes

Where do you find hemoglobin? - correct answer RBC,s

Where do all blood cells originate? - correct answer Bone marrow

How many RBC,s per microliter of blood - correct answer 4.2-6.2 million

What is the second most numerous WBC - correct answer Lymphocyte with 20-40%

Their numbers increase in intracellular infections and TB - correct answer Monocytes

Their numbers increase in bacterial infections and are often first on the scene - correct
answer Neutrophils

These WBC,s play an important role in viral infection as well as in immunity - correct
answer Lymphocytes

Number of leukocytes for average adult per microliter - correct answer 5000-10000

Leukopenia - correct answer Decrease in WBC,s seen with viral infection and
leukemia

Comprises 3-8% of WBC or leukocytes - correct answer Monocytes

Largest in size of the leukocytes - correct answer Monocytes

Carries histamine - correct answer Basophil

Injury to a blood vessel that causes it to constrict, slowing the clod of blood. - correct
answer Vascular phase of Hemostasis

Preferred site for a venipuncture - correct answer Antecubital Fossa

Test used to evaluate the intrinsic pathway and monitor heparin therapy - correct
answer APTT also know as PTT

, Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy -
correct answer PT

Fibrinolysis - correct answer Breakdown and removal of a clot

Converts the temporary platelet plug in a stable fibrin clot - correct answer Coagulation
Phase

2nd choice vein for venipuncture and most often the only one palatable in an obese Pt. -
correct answer Cephalic vein

Antiseptics used in Phlebotomy - correct answer 70% isopropyl alcohol pads most
common, provolone - iodine for BC,s and Chlorhexidine gluconate for patients that are
allergic to Betadine/ Iodine

Length of needle commonly used in venipuncture - correct answer 1 inch (up to 1.5")

Average gauge of needle used for drawing blood - correct answer 21-22

Gauge of needle that can cause hemolysis - correct answer smaller than 23 gauge

3 skills of the phlebotomist - correct answer Social, clerical, technical

Analytical errors during collection of blood - correct answer Extended tourniquet time,
hemolysis, wrong order of draw, failure to invert tubes, faulty technique under filling
tubes

Analytical errors before collection of blood - correct answer Patient misidentification,
improper time, wrong tubes, not fasting, exercise (Cortisol levels), Pt. Posture, Poor
coordination with other treatments, improper site prep, medication interference

Analytical errors After collection of blood - correct answer Failure to separate serum
from cell (Glycolisis), improper use of serum separator (Not inverting tubes or not
spinning tubes), delays in processing, exposure to light, improper storage conditions,
dimming clots

Fistula - correct answer Permanent surgical connection between an artery and a vein,
never used for venipuncture

Edima - correct answer Accumulation of fluid in tissue

Thrombophlebitis - correct answer Inflammation of a blood clot formation

Explanation of Hemoconcentration - correct answer The increase in proportion of
formed elements to plasma caused by leaving on the tourniquet for more than two
minutes

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