You Had a Cold Last Month and You Caught Another

question 34

Multiple Choice

You had a cold last month and you caught another one this month from your brother. What is the most likely reason for this happening?

• A) Memory cells were not formed as a response to the first cold.
• B) The antibodies formed as a response to the first cold were degraded.
• C) The two cold viruses are different.
• D) Your macrophages are unable to perform phagocytosis.
• E) Your antigen-presenting cells do not recognize the second cold virus.

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Definitions:

Trapezoid

In geometry, a four-sided figure with at least one pair of parallel sides.

Distal Part

The portion of a limb or structure that is farthest from the point of attachment or origin; opposite of proximal.

Ulna

A long bone in the forearm that runs parallel to the radius, forming the elbow joint at its larger end.

Olecranon Process

is the pointed bone at the tip of the elbow, part of the ulna, which forms the elbow joint together with the humerus.