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Anticoagulation Theory, Preanalytical Sources of Error
Homework 6
35
Health Care
Undergraduate 1
02/24/2011

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Cards

Term
"Hemo" in the word Hemostasis means what?
Definition
Blood
Term

What are the steps in which the body stops leakage of blood from the body in order?

1. Platelet plug formation.

2. Fibrin clot formation

3. Vasoconstriction

4. Fibrinolysis

Definition
3, 1, 2, 4
Term
To ensure Hemostasis, blood vessles, platelets and plasma factors must be in wokring order and/or adequate supply?
Definition
True
Term
Phase one of the coagulation process is
Definition
Vasoconstriction
Term
What is the purpose of bleeding time test?
Definition
Check for vascular abnormalities
Term
Coagulation is initiated by what within the blood vessles?
Definition
Events
Term
APTT is the abbreviation for what?
Definition
Activated Partial Thromboplastin Time
Term
Which phase does clot destruction take place in?
Definition
Phase 5
Term
What is the role of the liver in hemostasis?
Definition

It secrets bile salt necessary for absorption of vitamin K.

Synthesis of coagulation factors such as Fibrinogen.

Synthesis of coagulation factors such as prothrombin.

ALL OF THE ABOVE

Term
Deep Vein Thrombosis (DVT) is
Definition
A blood clot that is in the legs.
Term
The definition of "intrinsic pathway" is:
Definition
Coagulation that is initiated by events within the blood vessels.
Term
The definition of extrinsic pathway is:
Definition
Coagulation responding initiated in response to external vessle injury.
Term
APTT is the abbreviation for:
Definition
Activated Partial Thromboplastin Time
Term
APTT is used to monitor
Definition

Heparin therapy

 

(To measure/monitor heparin therapy)

Term
PT is the abbreviation for
Definition
Prothrombin Time
Term
PT is used to monitor:
Definition
Coumadin Therapy
Term
Specimen rejection is caused by what?
Definition

Hemolysis and partially filled tubes.

Draw at the wrong time.

Patient identifivation / labeling wrong.

ALL OF THE ABOVE

Term
Blood collected in Thrombin tubes generally clots within:
Definition
5 minutes
Term
Syncope means
Definition
fainting
Term
A short draw can cause:
Definition
A sample to be redrawn.
Term
CLIA stands for
Definition
Clinical Laboratory Improvement Amendment
Term
The three categories of testing withing CLIA are
Definition
Waived, moderate, high
Term
Military time for 3:47 PM is
Definition
1547
Term
Military time for 3:08am is
Definition
0308
Term
How soon are specimens verified by a laboratory scientist?
Definition
Within 45 minutes
Term
The definition of "deposition" is:
Definition

A person is sworn under oath to tell the truth

One party questions another under oath

A court reporter records every word

ALL OF THE ABOVE

Term
What is the greatest risk for damage during vein puncture?
Definition
Nerve
Term
If a patient experiences great pain during blood draw you should
Definition
Terminate the procedure
Term
How is compression nerve injury caused?
Definition
Uncontrolled hemorrhage
Term
What are the signs and symptoms of syncope?
Definition

Pallor / Paleness

Hyperventilation

Perspiration

ALL OF THE ABOVE

Term
After arriving in the lab, all specimens are immediately
Definition
Logged or accessioned
Term
The machine used to separate the serum or plasma from blood cells in the sample is called a
Definition
Centrifuge
Term
Which of the following specimens would most likely be accepted for testing?
Definition
CBC collected in a lavender tube top
Term
According to CLSI guidelines, serum for most tests should be removed from the cells within
Definition
120 minutes
Term
The blood specimen for this test is placed in circles on special paper
Definition
PKU
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