ASCP MLS Blood Bank 2025/2026 Exam
Questions and Verified Answers |
Already Graded A+
The minimum hemoglobin concentration in a fingerstick from a male blood
donor is:
a. 12.0 g/dL (120 g/L)
b. 12.5 g/dL (125 g/L)
c. 13.5 g/dL (135 g/L)
d. 15.0 g/dL (150 g/L) - 🧠ANSWER ✔✔b. All donors, regardless of sex,
require a minimum hemoglobin of 12.5 g/dL (125 g/L). The value must not
be performed on an earlobe stick.
A cause for permanent deferral of blood donation is:
,a. diabetes
b. residence in an endemic malaria region
c. history of jaundice of uncertain cause
d. history of therapeutic rabies vaccine - 🧠ANSWER ✔✔c. Jaundice is a
sign of liver impairment, which might be due to HBV or HCV. Infection with
HBV and HCV is a cause for indefinite deferral.
Which of the following prospective donors would be accepted for donation?
a. 32-year-old woman who received a transfusion in a complicated delivery
5 months previously
b. 19-year-old sailor who has been stateside for 9 months and stopped
taking his anti-malarial medication 9 months previously
c. 22-year-old college student who has a temperature of 99.2F (37.3C) and
states that he feels well, but is nervous about donating
,d. 45-year-old woman who has just recovered from a bladder infection and
is still taking antibiotics - 🧠ANSWER ✔✔c. The receipt of blood products is
a
6-month deferral, the deferral for travel to areas endemic for malaria is 12
months regardless of
antimalarial prophylaxis, and a person taking antibiotics may have
bacteremia. The requirement for temperature is not over 37.5°C or 99.5°F.
Which one of the following constitutes permanent rejection status of a
donor?
a. a tattoo 5 months previously
b. recent close contact with a patient with viral hepatitis
c. 2 units of blood transfused 4 months previously
d. confirmed positive test for HBsAg 10 years previously - 🧠ANSWER ✔✔d.
A positive test for HbsAg at any time is an indefinite deferral.
According to AABB standards, which of the following donors may be
accepted as a blood donor?
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, a. traveled to an area endemic for malaria 9 months previously
b. spontaneous abortion at 2 months of pregnancy, 3 months previously
c. resides with a known hepatitis patient
d. received a blood transfusion 22 weeks previously - 🧠ANSWER ✔✔b. A
woman who had a spontaneous abortion at 2 months of pregnancy, 3
months previously would be acceptable. A donor is acceptable if she has
not been pregnant in the previous 6 weeks.
Below are the results of the history obtained from a prospective female
blood donor:
Age: 16
Temperature: 99.0"F (37.2°C)
Hct: 36%
History: tetanus toxoid immunization 1 week previously
Questions and Verified Answers |
Already Graded A+
The minimum hemoglobin concentration in a fingerstick from a male blood
donor is:
a. 12.0 g/dL (120 g/L)
b. 12.5 g/dL (125 g/L)
c. 13.5 g/dL (135 g/L)
d. 15.0 g/dL (150 g/L) - 🧠ANSWER ✔✔b. All donors, regardless of sex,
require a minimum hemoglobin of 12.5 g/dL (125 g/L). The value must not
be performed on an earlobe stick.
A cause for permanent deferral of blood donation is:
,a. diabetes
b. residence in an endemic malaria region
c. history of jaundice of uncertain cause
d. history of therapeutic rabies vaccine - 🧠ANSWER ✔✔c. Jaundice is a
sign of liver impairment, which might be due to HBV or HCV. Infection with
HBV and HCV is a cause for indefinite deferral.
Which of the following prospective donors would be accepted for donation?
a. 32-year-old woman who received a transfusion in a complicated delivery
5 months previously
b. 19-year-old sailor who has been stateside for 9 months and stopped
taking his anti-malarial medication 9 months previously
c. 22-year-old college student who has a temperature of 99.2F (37.3C) and
states that he feels well, but is nervous about donating
,d. 45-year-old woman who has just recovered from a bladder infection and
is still taking antibiotics - 🧠ANSWER ✔✔c. The receipt of blood products is
a
6-month deferral, the deferral for travel to areas endemic for malaria is 12
months regardless of
antimalarial prophylaxis, and a person taking antibiotics may have
bacteremia. The requirement for temperature is not over 37.5°C or 99.5°F.
Which one of the following constitutes permanent rejection status of a
donor?
a. a tattoo 5 months previously
b. recent close contact with a patient with viral hepatitis
c. 2 units of blood transfused 4 months previously
d. confirmed positive test for HBsAg 10 years previously - 🧠ANSWER ✔✔d.
A positive test for HbsAg at any time is an indefinite deferral.
According to AABB standards, which of the following donors may be
accepted as a blood donor?
3
COPYRIGHT©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025. COMPANY REGISTRATION NUMBER: 619652435. TERMS OF USE. PRIVACY
STATEMENT. ALL RIGHTS RESERVED
, a. traveled to an area endemic for malaria 9 months previously
b. spontaneous abortion at 2 months of pregnancy, 3 months previously
c. resides with a known hepatitis patient
d. received a blood transfusion 22 weeks previously - 🧠ANSWER ✔✔b. A
woman who had a spontaneous abortion at 2 months of pregnancy, 3
months previously would be acceptable. A donor is acceptable if she has
not been pregnant in the previous 6 weeks.
Below are the results of the history obtained from a prospective female
blood donor:
Age: 16
Temperature: 99.0"F (37.2°C)
Hct: 36%
History: tetanus toxoid immunization 1 week previously
