What antigen is present on the surface of B+ erythrocyte?
A) No ABO antigens and a +Rh antigen
B) B antigen and +Rh antigen
C) Anti-A antigen and an anti-Rh antigen
D) A antigen and +Rh antigen
Answer: B
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If an object of constant mass travels with a constant velocity, which statement is true?
A. momentum is constant B. acceleration is 0 C. both A & B D. none of the above
Select the correct statement about the function of antibodies.
A) Antibodies may directly destroy "invaders." B) Neutralization is the process by which antibodies cause invading cells to clump together. C) Complement fixation is the main mechanism by which antibodies provide protection. D) The most potent agglutinating agent is IgG.
Arrange the following in the sequence in which releasing hormones travel through them.(1) Secondary capillary network(2) Primary capillary network(3) Hypothalamohypophysial portal vessels
A. 3, 2, 1 B. 1, 2, 3 C. 3, 1, 2 D. 2, 1, 3 E. 2, 3, 1
The esophagus is ________ to the thyroid gland
A) anterior B) lateral C) medial D) deep