Exam (elaborations)
NHA B exam with solved questions and answers
- Course
- Institution
Exam of 18 pages for the course nha at nha (NHA B exam)
[Show more]
Seller
Follow
DESTINYGRACE
Content preview
(NHA) Medical Assisting CertificationStudy Guide
CC - ANSWERChief Complaint
Segment - ANSWERLine between two waveforms
P Wave - ANSWERArterial Depolarization
How many 1mm boxes are in a 6 second rhythm strip? - ANSWER30 one millimeter
boxes
The SA node represents which waveform on the EKG? - ANSWEROnly the P wave
What is the reading you can get from the RR interval? - ANSWERVentricular Pulse
What is the primary stage of Hemolysis? - ANSWERVascular phase and platelet phase
together
What is Electrophoresis? - ANSWERAnalyzation 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? - ANSWERTurns
blue on a positive test for occult blood in feces
The stages of Hemostasis - ANSWER1. Vascular, 2. Platelet Phase, 3. Coagulation
Phase,
4. Fibronolysis
Blood vessels - ANSWERAorta, Arteries, Arterioles, Capillaries, Venues, Veins,
Superior and Inferior Vena Cavae
Outer connective tissue layer of a blood vessel - ANSWERTunica Adventitia
Inner endothelial tissue of a blood vessel - ANSWERTunica Intima
The inner smooth layer of a blood vessel - ANSWERTunica tunica media
,The standards of right and wrong in a medical setting - ANSWERCode of Ethics
What do you find in capillaries? - ANSWERA mixture of venous and arterial blood is
found
The average adult has how many liters of blood? - ANSWER5-6 Liters
What is the percentage of water in the blood? - ANSWER92%
Percentage of plasma in the blood? - ANSWER55%
Percentage of formed elements in the blood? - ANSWER45%
99% of formed elements in the blood - ANSWERRBC,s or Erythrocytes
Where do you find hemoglobin? - ANSWERRBC,s
Where do all blood cells originate? - ANSWERBone marrow
How many RBC,s per microliter of blood - ANSWER4.2-6.2 million
What is the second most numerous WBC - ANSWERLymphocyte with 20-40%
Their numbers increase in intracellular infections and TB - ANSWERMonocytes
Their numbers increase in bacterial infections and are often first on the scene -
ANSWERNeutrophils
These WBC,s play an important role in viral infection as well as in immunity -
ANSWERLymphocytes
Number of leukocytes for average adult per microliter - ANSWER5000-10000
Leukopenia - ANSWERDecrease in WBC,s seen with viral infection and leukemia
Comprises 3-8% of WBC or leukocytes - ANSWERMonocytes
Largest in size of the leukocytes - ANSWERMonocytes
Carries histamine - ANSWERBasophil
Injury to a blood vessel that causes it to constrict, slowing the clod of blood. -
ANSWERVascular phase of Hemostasis
Preferred site for a venipuncture - ANSWERAntecubital Fossa
, Test used to evaluate the intrinsic pathway and monitor heparin therapy -
ANSWERAPTT also know as PTT
Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy -
ANSWERPT
Fibrinolysis - ANSWERBreakdown and removal of a clot
Converts the temporary platelet plug in a stable fibrin clot - ANSWERCoagulation Phase
2nd choice vein for venipuncture and most often the only one palatable in an obese Pt. -
ANSWERCephalic vein
Antiseptics used in Phlebotomy - ANSWER70% 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 - ANSWER1 inch (up to 1.5")
Average gauge of needle used for drawing blood - ANSWER21-22
Gauge of needle that can cause hemolysis - ANSWERsmaller than 23 gauge
3 skills of the phlebotomist - ANSWERSocial, clerical, technical
Analytical errors during collection of blood - ANSWERExtended tourniquet time,
hemolysis, wrong order of draw, failure to invert tubes, faulty technique under filling
tubes
Analytical errors before collection of blood - ANSWERPatient 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 - ANSWERFailure 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 - ANSWERPermanent surgical connection between an artery and a vein, never
used for venipuncture
Edima - ANSWERAccumulation of fluid in tissue
Thrombophlebitis - ANSWERInflammation of a blood clot formation
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller DESTINYGRACE. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
81531 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now