Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
Which of the following shows ABO frequencies from most common to least
common?
a. A > O > AB > B
b. AB > A > B > O
c. B > AB > A > O
d. A > B > AB > O
e. O > A > B > AB
e. O > A > B > AB
What antibody class are ABO antibodies primarily?
a.
IgA
b.
IgE
c.
IgG
d.
IgM
IgM
, Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
All of the following (a-d) would be classified as natural occurring antibodies
(produced from “look alike antigens” in the environment and not from foreign red
blood cell exposure) except:
a.
Anti-A
b.
Anti-B
c.
Anti-A,B
d.
Anti-D
e.
All of the above (a-d) would be classified as natural occurring antibodies
, Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
Anti-D
Which of the following would be considered Codominant?
a.
AO
b.
AB
c.
A1A2
d.
Dd
AB
Which would be considered a heterozygous expression?
a.
OO
b.
ee
c.
cE
, Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
d.
Cc
Cc
Which one of the following is considered recessive?
a.
A1
b.
A2
c.
c
d.
Se
A2
3+ agglutination appears as:
a.
One large solid agglutinate with a clear background
b.
Very fine agglutinates with a red background
c.
Answers | Optician Certification Study Guide,
Exams of Health sciences
Which of the following shows ABO frequencies from most common to least
common?
a. A > O > AB > B
b. AB > A > B > O
c. B > AB > A > O
d. A > B > AB > O
e. O > A > B > AB
e. O > A > B > AB
What antibody class are ABO antibodies primarily?
a.
IgA
b.
IgE
c.
IgG
d.
IgM
IgM
, Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
All of the following (a-d) would be classified as natural occurring antibodies
(produced from “look alike antigens” in the environment and not from foreign red
blood cell exposure) except:
a.
Anti-A
b.
Anti-B
c.
Anti-A,B
d.
Anti-D
e.
All of the above (a-d) would be classified as natural occurring antibodies
, Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
Anti-D
Which of the following would be considered Codominant?
a.
AO
b.
AB
c.
A1A2
d.
Dd
AB
Which would be considered a heterozygous expression?
a.
OO
b.
ee
c.
cE
, Free ABO Practice Exam 2026: Questions with
Answers | Optician Certification Study Guide,
Exams of Health sciences
d.
Cc
Cc
Which one of the following is considered recessive?
a.
A1
b.
A2
c.
c
d.
Se
A2
3+ agglutination appears as:
a.
One large solid agglutinate with a clear background
b.
Very fine agglutinates with a red background
c.
