SBB ASCP Practice Test Questions and Answers 2023 with
complete solution
b. Reduce the flow rate.
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.
c. Obtain a written request from the patient's physician and send the unit with a
biohazard label and "autologous use only."
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.
a. Male, age 72, Hb 13.5, BP 124/88
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
a. Accept the donor.
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.
b. Have the donor breathe into a paper bag.
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.
b. 1 hour
,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
b. Thawed plasma
FFP thawed but not used can be relabeled to:
a. Liquid plasma
b. Thawed plasma
c. Recovered plasma
d. Source plasma
c. EIA initial testing reactive, and one of the duplicate repeat results is reactive
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
b. 9
With nucleic acid testing, the window period of HIV is approximately how many days?
a. 5
b. 9
C. 16
d. 22
c. Infection is clear
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
b. Chronic infection
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
b. Autosomal recessive inheritance
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
c. Crossing over
A disease is linked to the ABO system. The pedigree demonstrates:
a. Parental haplotye
b. Linkage disequilibrium
c. Crossing over
d. Nondisjunction
c. Fathers to 100% of sons and no daughters
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
C. 50%
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%
b. Cer-Glu-Gal-GlcNac-Gal-Fuc
Which of the following represent the biochemical structure of the H antigen on red cells?
a. Cer-Glu-Gal-GlcNac-GalNac
b. Cer-Glu-Gal-GlcNac-Gal-Fuc
c. Cer-Glu-Gal-GlcNac-Glu-Fuc
d. Cer-Glu-Gal-GlcNac-Gal-Glu
c. A2O, HH, Lele, sese
A man phenotypes A2, Le(a+b-). His saliva shows only Lea. Which of the following best
represents his genotype?
a. A2O, HH, Lele, Sese
b. A2A2, Hh, lele, sese
c. A2O, HH, Lele, sese
d. A2O, Hh, lele, Sese
d. r'r"
The following Rh phenotyping results are obtained. What is the most likely genotype?
D=0, C=+, E=+, c=+, e=+, f=0
a. rr
b. r'r
c. r''r
d. r'r"
d. R0r'
An Rh-negative woman has requested prediction of the Rh genotype of her offspring.
Phenotyping results of her family shows the following results. What is the husband's
most likely Rh genotype?
complete solution
b. Reduce the flow rate.
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.
c. Obtain a written request from the patient's physician and send the unit with a
biohazard label and "autologous use only."
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.
a. Male, age 72, Hb 13.5, BP 124/88
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
a. Accept the donor.
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.
b. Have the donor breathe into a paper bag.
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.
b. 1 hour
,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
b. Thawed plasma
FFP thawed but not used can be relabeled to:
a. Liquid plasma
b. Thawed plasma
c. Recovered plasma
d. Source plasma
c. EIA initial testing reactive, and one of the duplicate repeat results is reactive
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
b. 9
With nucleic acid testing, the window period of HIV is approximately how many days?
a. 5
b. 9
C. 16
d. 22
c. Infection is clear
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
b. Chronic infection
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
b. Autosomal recessive inheritance
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
c. Crossing over
A disease is linked to the ABO system. The pedigree demonstrates:
a. Parental haplotye
b. Linkage disequilibrium
c. Crossing over
d. Nondisjunction
c. Fathers to 100% of sons and no daughters
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
C. 50%
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%
b. Cer-Glu-Gal-GlcNac-Gal-Fuc
Which of the following represent the biochemical structure of the H antigen on red cells?
a. Cer-Glu-Gal-GlcNac-GalNac
b. Cer-Glu-Gal-GlcNac-Gal-Fuc
c. Cer-Glu-Gal-GlcNac-Glu-Fuc
d. Cer-Glu-Gal-GlcNac-Gal-Glu
c. A2O, HH, Lele, sese
A man phenotypes A2, Le(a+b-). His saliva shows only Lea. Which of the following best
represents his genotype?
a. A2O, HH, Lele, Sese
b. A2A2, Hh, lele, sese
c. A2O, HH, Lele, sese
d. A2O, Hh, lele, Sese
d. r'r"
The following Rh phenotyping results are obtained. What is the most likely genotype?
D=0, C=+, E=+, c=+, e=+, f=0
a. rr
b. r'r
c. r''r
d. r'r"
d. R0r'
An Rh-negative woman has requested prediction of the Rh genotype of her offspring.
Phenotyping results of her family shows the following results. What is the husband's
most likely Rh genotype?
