Aorta, arteries, arterioles, capillaries, venues, veins, superior and inferior vena cavae.
12
New cards
Outer connective tissue layer of a blood vessel
Tunica adventitia
13
New cards
Inner endothelial tissue layer of a blood vessel
Tunica Intima
14
New cards
The inner smooth layer of a blood vessel
Tunica media
15
New cards
The standards of right and wrong in a medical setting
Code of Ethics
16
New cards
What do you find in capillaries?
A mixture of venous and arterial blood is found
17
New cards
The average adult has how many liters of blood?
5
18
New cards
What is the percentage of water in blood?
92%
19
New cards
Percentage of plasma in blood
55%
20
New cards
Percentage of Formed Elements in the blood
45%
21
New cards
99% of formed elements in blood
RBC's or Erythrocytes
22
New cards
Where you find Hemoglobin
RBC's
23
New cards
Where do all blood cells originate?
Bone Marrow
24
New cards
How many RBC's per microliter of blood
4.2
25
New cards
What is the second most numerous WBC?
Lymphocyte with 20
26
New cards
Their numbers increase in intracellular infections and TB
Monocytes
27
New cards
Their numbers increase in bacterial infections and often are first on scene
Neutrophils
28
New cards
These WBC's play an important role in viral infection as well as in immunity.
Lymphocytes
29
New cards
Number of leukocytes for average adult per micrometer
5000
30
New cards
Leukopenia
Decrease in WBC's seen with viral infection and leukemia
31
New cards
Comprises 3
8% of wbc or leukocytes
32
New cards
Largest in size of the leukocytes
Monocytes
33
New cards
Carries Histamine
Basophil
34
New cards
Injury to a blood vessel that causes it to constrict, slowing the clot of blood
Cascular phase of hemostasis
35
New cards
Preferred site for venipuncture
Antecubital fossa
36
New cards
Test used to evaluate the intrinsic pathway and monitor heparin therapy
APTT also know as PTT
37
New cards
Test used to evaluate the extrinsic pathway and also used to monitor warfarin therapy
PT
38
New cards
Fibrinolysis
Breakdown and removal of a clot
39
New cards
Converts the temorary platelet plug into a stable fibrin clot
Coagulation phase
40
New cards
2nd choice vein for venipuncture most often the only one palpatable in an obese pt
Cephalic vein
41
New cards
Antiseptics used in Phlebodtomy
70% isopropyl alcohol pads most common, provolone iodine for bc, s and chlorhexidine gluconate for patients that are allergic to betadine/ iodine
42
New cards
Length of needle commonly used in venipuncture
1 ince (up to 1.5")
43
New cards
Guage of needle that can cause hemolysis
Smaller than 23 guage
44
New cards
Average gauge of needle used for drawing blood
21
45
New cards
3 skills of the phlebotomist
social, clerical, technical
46
New cards
Analytical errors during collection of blood
extended tourniquet time, hemolysis, wrong order of draw, failure to invert tubes, faulty technique under filling tubes
47
New cards
Analytical errors before collection of blood
Patient misidentification, improper time, wrong tube, not fasting, exercise (cortisol levels), PT posture, poor coordination with other treatments, improper side prep, medication interference
48
New cards
Analytical errors after blood collection
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
49
New cards
Fistula
Permanent surgical connection between an artery and a vein, never used for venipuncture
50
New cards
Edima
Accumulation of fluid in tissue
51
New cards
Thrombophlebitis
Inflammation of a vein with a clot formation
52
New cards
Explanation of Hemoconcentration
The increase in proportion of formed elements to plasma caused by leaving on the tourniquet for more than two minutes
53
New cards
Consequence of insufficient pressure applied after withdrawal of needle
Thrombus
54
New cards
additives in green top tube
heparin, sodium, litium, ammonium
55
New cards
Why is the green top tube never used for hematology
Green tops additive heparin interferes with the Wright's stained blood test
56
New cards
Common tests for the lifht blue sodium citrate tube
Coagulation studies, PT (extrinsic, warfarin) APTT, PTT (intrinsic, heparin) TT, BT, FDP
57
New cards
Common tests for the lavendar edta tube
CBC, differential or diff., ESR, sickle cell screening
58
New cards
Common tests for this color tube are chemistry tests performed on plasuma such as Ammonia, carboxyhemoglobin and STAT electrolytes
Green top tube (heparin) Tests
59
New cards
How long does it take for blood to clot by normal coagulation process in the red top tube?
30
60
New cards
The primary purpose is to provide reliable data about a patients health status by ensuring the accuracy of a test while detecting and eliminating error
What is quality control
61
New cards
Common test for the red topped tube
Serum chemistry tests, serology tests, blood bank (glass only)
62
New cards
Order of draw for cappilary specimens
lavender first, then tubes with other additives, then tubes with out additives
63
New cards
Antiseptic not used on a dermal puncture site
Betadine (because it interferes with several tests like bilirubin, uric acid, phosphorus and potassium
64
New cards
For which procedure would you warm the site for a minimum of 3
4 minutes to increase blood flow?
65
New cards
Which are the preferred sites for dermal punctures
the distal segment of the third or fourth finger of the non
66
New cards
heel sticks are performed on which patients?
infants less than 1 year old
67
New cards
Where on the foot is the dermal puncture made on patients less than a year old
the medial and lateral areas of the plantar surface of the foot
68
New cards
dermal puncture is made in
the fleshy portion of the finger slightly to the side of the center perpendicular to the lines of the fingerprints
69
New cards
What will occur if you puncture the heel too deep? more than 2 mm
osteomyalitis
70
New cards
What are the identification requirements for blood bank
Pt's full name and DOB, hospital id \# or ssn for outpatient, date and time of collection as well as the phlebotomist's initials
71
New cards
This section of the lab uses serum to analyze the presence
Serology (immunology) Section
72
New cards
When checking for hormones in urine when do you collect the urine sample
first voiding in the morning
73
New cards
Which urine specimen provides the clearest, most accurate results?
Clean catch midstream specimen
74
New cards
Which urine sample requires aseptic technique?
Clean catch specimen
75
New cards
Examination of urine consists of
physical, chemical, microscopic
76
New cards
Physical examination of urine consists of
colume (adequate for testing, observing color and appearance, odor, specific gravity
77
New cards
What amount of urine must you have to be sufficient for analysis?
25ml
78
New cards
What is the normal range of specific gravity of random collection
1.005
79
New cards
normal range of specific gravity of urine in adults with normal diet and fluid intake
1.015
80
New cards
Microscopic examination of urine requires this amount
10
81
New cards
Urine Specific gravity
The ratio of weight of a given colume of urine to the weight of the same volume of distilled water at a constant temperature
82
New cards
Glycosuria
presence of glucose in the urine
83
New cards
Symptoms of patients with diabetes mellitus
glycosuria, polyuria, and thirst
84
New cards
A urine pH of what is considered neutral?
7.0 pH
85
New cards
the copper reaction test is used for what?
screening for glucose in urine
86
New cards
The presence of leukocytes in urine is an indicator for what?
bacteruria or UTI
87
New cards
Urine Screening for UCG or HCG
Pregnancy Test
88
New cards
HIPPA is for?
Patient Confidentiality
89
New cards
The four elements of Negligence
Duty, duty of care, derelict\= breach of duty of care, direct cause, damage
90
New cards
Tort
Wrongful act that results in injury to one person to another
91
New cards
Examples of Tort
Battery, invasion of privacy, defamation of character
92
New cards
Defamation of character by written statement is considered
libel
93
New cards
Consists of injury to another person's reputation , name or character through spoken (slander) or written (libel)
Defamation of character
94
New cards
unpriveleged touching
Battery
95
New cards
The release of medical records with out the patient's knowledge or permission
Invasion of privacy
96
New cards
Good Samaritan Law
Rendering first aid within the scope of knowledge by a health care worker with out fear of being sued for negligence
97
New cards
Hypothalamus
regulates and maintains body temperature
98
New cards
Functions necessary for life
heart function, blood pressure, respiration, temperature