The Next Questions Refer to the Following Data on Blood

question 8

Multiple Choice

The next questions refer to the following data on blood types.
$$\begin{array} { l l l l } & \text { Case 1 } & \text { Case 2 } & \text { Case 3 } \\\hline \text { Mother } & \mathrm { A } , \mathrm { Rh } ^ { - } & \mathrm { O } , \mathrm { Rh } ^ { - } & \mathrm { AB } , \mathrm { Rh } ^ { + } \\\text {Fetus } & \mathrm { A } , \mathrm { Rh } ^ { + } & \mathrm { A } , \mathrm { Rh } ^ { - } & \mathrm { A } , \mathrm { Rh } ^ { - }\end{array}$$ Figure 43.2
-An immune response to a tissue graft will differ from an immune response to a bacterium because

• A)MHC molecules of the donor may stimulate rejection of the graft tissue.
• B)the tissue graft, unlike the bacterium, is isolated from the circulation and will not enter into an immune response.
• C)a response to the graft will involve T cells and a response to the bacterium will not.
• D)a bacterium cannot escape the immune system by replicating inside normal body cells.
• E)the graft will stimulate an autoimmune response in the recipient.

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Definitions:

Deadband

The range in which an input signal can change without eliciting any response in the output of a system or device, commonly used in control systems.

Activation-Deactivation Cycles

Refers to the repeated process of turning a system or device on (activation) and then off (deactivation).

Western African Emperor

Refers to historical rulers of empires in West Africa, such as Mansa Musa of the Mali Empire, noted for their wealth, power, and influence.

Cairo

The capital city of Egypt, known for its ancient monuments, including the Pyramids of Giza and the Great Sphinx, as well as its rich cultural history.