donor screening Flashcards
For donor blood collection, Scrub the site (2 × 2 inches) for _________ using an aqueous iodophor scrub solution (0.7%).
A. 30 SECS
B. 40 SECS
C. 60 SECS
D. 10 SECS
For donor blood collection, Scrub the site (2 × 2 inches) for 30 seconds using an aqueous iodophor scrub solution (0.7%).
Donations of whole blood where the bleed time exceeded 15 minutes are not suitable for the production of what
a. plasma components
b. platelet products
c. cryoprecipitate
d. aota
answer : aota
Donations of whole blood where the bleed time exceeded 15 minutes are not suitable for the production of PLASMA COMPONENTS, PLATELET PRODUCTION AND CRYOPRECIPITATE for direct clinical use.
what is the standard gauge for blood donation
a. 23 gauge
b. 18 gauge
c. 21 gauge
d. 24 gauge
Standard needle used: 16 gauge
For blood collection, most blood centers use an iodine compound such as PVP-iodine or polymer iodine complex. Using a tourniquet or blood pressure cuff, the venipuncture site is identified, and the area is scrubbed at least________ in all directions from the site for a minimum of seconds
a. 8 cm
b. 4 cm
c. 10cm
d. 2 cm
For blood collection, most blood centers use an iodine compound such as PVP-iodine or polymer iodine complex. Using a tourniquet or blood pressure cuff, the venipuncture site is identified, and the area is scrubbed at least 4 cm in all directions from the site for a minimum of seconds
how many anticoagulant is in a standard blood bag
a. 63mL
b. 25ml
c. 50 ml
d. 100 ml
standard blood bag
450ml = whole blood
63 ml - anticoagulant
maximum allowable blood bag collected from a donor
= 525 ml
what should be the temperature of the donor
a. 35.5
b. 36.5
c. 37.5
d. 34.5
Temperature Do not exceed 37.5 C or 99.5 F
what is the systolic in blood pressure for donor
a. not greater than 100 mmhg
b. less than 100mmhg
c. not greater than 180 mmhg
d. less than 180mmhg
Blood pressure Systolic: not greater than 180 mm Hg, Diastolic: not greater than 100 mmHg
what is the hematocrit for acceptable blood donor for allogenic
a. 12.5 g/dl
b. 38%
c. 37 g/dl
d. 12.2 g/dl
hematocrit
allogenic = 38%
autologous = 33%
hemoglobin
allogenic = 12.5 g/dl
autologous = 11 g/dl
what is the hemoglobin for acceptable blood donor for allogenic
a. 12.5 g/dl
b. 38%
c. 37 g/dl
d. 12.2 g/dl
hematocrit
allogenic = 38%
autologous = 33%
hemoglobin
allogenic = 12.5 g/dl
autologous = 11 g/dl
which of the following is / are not universal req. in screening of blood
a. anti-HCV-2
b. hcv and htlv-2
c. cmv and anti hiv -2
d. malaria and anti htlv-1
answer: Malaria and anti htlv - 1
Screening of donation for other infections, such as those causing malaria, chaga disease, or HTLV, should be based on local epidemiological evidence - WHO
Autologous units also generally have a distinct ______ label and tag
a. white
b. pink
c. green
d. blue
Autologous units also generally have a distinct green label and tag
Blood that is withdrawn before (72 hours) an anticipated transfusion and stored until use
a. pre operative collection
b. acute normovolemic hemodilution
c. intra operative collection
d. postoperative blood salvage
pre operative collection
what is the ratio of replacement of crystalloids
a. 1:1
b. 2:1
c. 3:1
d. 1:3
The ratio of replacement is 3:1 for crystalloids and 1:1 for colloids.
Results in the collection of whole blood with the concurrent infusion of crystalloid or colloid solutions, thus maintaining a normal blood volume but decreasing the patient’s hematocrit
a. pre operative collection
b. acute normovolemic hemodilution
c. intra operative collection
d. postoperative blood salvage
acute normovolemic hemodilution
- cystalloid or coloid solutions
- maintain a normal blood volume but decreasing patients hematocrit
involves collecting shed blood from the surgical site
a. pre operative collection
b. acute normovolemic hemodilution
c. intra operative collection
d. postoperative blood salvage
intra operative collection
- involves collecting shed blood from the surgical site
- reinfusing those cells immediately
