PhysioEx Lab Report
Exercise 11: Blood Analysis
Activity 4: Blood Typing
Name: Naja Crothers
Date: 24 January 2021
Session ID: session-ba8015a7-9fee-af23-79c5-2daa1c24e2b7
Pre-lab Quiz Results
You scored 100% by answering 4 out of 4 questions correctly.
1 Red blood cell membranes have
You correctly answered: agglutinogens that specify that individual's
blood type.
2 ABO and Rh antigens
You correctly answered: All of these answers are correct.
3 Which of the following statements about blood types is correct?
You correctly answered: A person with type O blood has two
recessive alleles and has neither the type A nor type B antigen.
4 Antibodies to the A and B antigens are
You correctly answered: found preformed in the blood plasma.
Experiment Results
Predict Question
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, 1/24/2021 PhysioEx Exercise 11 Activity 4
1 Predict Question: If the patient's blood type is AB -, what would be
the appearance of the A, B, and Rh samples?
Your answer: A, clumped; B, unclumped; Rh, clumped.
Stop & Think Question
1 Why are individuals with the AB + blood type known as universal
recipients for blood transfusions?
You correctly answered: They have both A and B antigens on the
surface of their RBCs, and their blood serum does not contain
antibodies against A, B, or Rh antigens.
Experiment Data
Blood AgglutinationAgglutinationAgglutination Blood Rh
sample with with with Type factor
Anti-A Anti-B Anti-Rh
Serum Serum Serum
1 positive negative positive A +
2 negative positive positive B +
3 positive positive negative AB -
4 negative negative negative O -
5 positive positive positive AB +
6 negative positive negative B -
Sample 2
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