SBB ASCP Practice Test: Questions&
Answers
A donor experiences perioral paresthesia during an apheresis procedure.
Which of the following should be performed?
a. Increase the flow rate.
b. Reduce the flow rate.
c. Elevate the donor’s feet.
d. Have the donor breathe into a paper bag.
(Ans- b. Reduce the flow rate.
A unit of autologous blood tested repeatedly reactive for HBsAg. The
patient is scheduled for surgery in three days. What action should be
taken?
a. Discard the unit.
b. Send the unit with a biohazard label and “autologous use only.”
c. Obtain a written request from the patient’s physician and send the unit
with a biohazard label and
“autologous use only.”
d. Wait for confirmatory testing before contacting physician to see what he
wants to do.
(Ans- c. Obtain a written request from the patient’s physician and send the
unit with a biohazard label and “autologous use only.”
Which of the following individuals can be accepted for allogeneic blood
donation?
a. Male, age 72, Hb 13.5, BP 124/88
b. Female, age 22, Hb 14.0, spontaneous abortion 5 weeks ago
C. Female, age 37, Hb 12.2, BP 160/116
d. Male, age 61, Hb 12, cardiac bypass surgery 4 years ago
e. Female, age 61, Hb 13.5, breast cancer 5 years ago
(Ans- a. Male, age 72, Hb 13.5, BP 124/88
A 64-year-old male prospective donor states that he had a positive TB skin
test one year ago. When further questioned, he states that the x-ray was
done and was negative with no other abnormal
findings. You should:
a. Accept the donor.
b. Defer the donor for 6 months.
c. Defer the donor for 1 year.
d. Defer the donor indefinitely.
(Ans- a. Accept the donor.
A 27-year old truck driver has just finished donating blood and complained
of tingling in his fingers and toes, and his fingers are in a strange rigid
position. What should be done?
a. Give the donor a beverage and cookies.
b. Have the donor breathe into a paper bag.
c. Ask the donor to lie down and elevate his feet.
d. Administer oxygen immediately.
(Ans- b. Have the donor breathe into a paper bag.
When preparing cryoprecipitate from plasma, the cryoprecipitate must be
placed in the freezer within
_ after removal from the refrigerated centrifuge.
a. 15 minutes
b. 1 hour
c. 6 hours
d. 24 hours
(Ans- b. 1 hour
FFP thawed but not used can be relabeled to:
a. Liquid plasma
b. Thawed plasma
c. Recovered plasma
d. Source plasma
(Ans- b. Thawed plasma
Donated blood may NOT be used for allogeneic transfusion when HCV
testing shows:
a. EIA initial testing reactive
b. EIA initial testing reactive and RNA testing nonreactive
c. EIA initial testing reactive, and one of the duplicate repeat results is
reactive
d. EIA initial tesling is reactive, and both of the duplicate repeat results are
nonreactive
(Ans- c. EIA initial testing reactive, and one of the duplicate repeat results
is reactive
With nucleic acid testing, the window period of HIV is approximately how
many days?
a. 5
b. 9
C. 16
d. 22
(Ans- b. 9
The following hepatitis B testing results indicates:
HBsAG=Non-reactive, Anti-HBc=Reactive, Anti-HBs=Reactive, HBV
DNA=Non-reactive
a. Acute infection
b. Chronic infection
c. Infection is clear
d. Recurring infection
e. The person has received hepatitis B vaccination
(Ans- c. Infection is clear
The following hepatitis C testing results indicates:
HCV RNA=Reactive, Anti-HCV (IgM)=Nonreactive,
Anti-HCV (lgG)=Reactive
a. Acute infection
b. Chronic infection
c. Infection resolved
d. Recurring infection
(Ans- b. Chronic infection
A family study consists of 4 daughters, 4 sons, and 12 grandchildren. One
son and one daughter have an inherited genetic disorder that is not present
in any of the grandchildren. This is an example of:
a. Sex-linked dominant inheritance
b. Autosomal recessive inheritance
c. Autosomal dominant inheritance
d. Non-paternity
(Ans- b. Autosomal recessive inheritance
A disease is linked to the ABO system. The pedigree demonstrates:
a. Parental haplotye
b. Linkage disequilibrium
c. Crossing over
d. Nondisjunction
(Ans- c. Crossing over
A trait carried on the Y chromosome will be passed from:
a. Fathers to 50% of sons or daughters
b. fathers to 100% of sons and 50% of daughters
c. Fathers to 100% of sons and no daughters
d. Fathers to 100% of daughters and no sons
(Ans- c. Fathers to 100% of sons and no daughters
A man who is genotype AO married a genotype 00 woman. What is the
probability that their first child will be type A?
a. 12.5%
b. 25%
C. 50%
d. 75%
(Ans- C. 50%