A Patient Presents with a Swelling on the External Aspect

question 16

Multiple Choice

A patient presents with a swelling on the external aspect of his cheek just anterior to the pinna of his ear. The region is tender, and upon examination it is evident that there is a blockage of salivary flow into the vestibule near the second maxillary molar, indicating a possible blockage of the duct (Stensen duct) of the parotid gland. Which of the following is a correct statement about the parotid? It is a

• A) simple serous gland
• B) simple mucous gland
• C) compound serous gland
• D) compound mucous gland
• E) compound mixed gland

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Definitions:

Fitness Payoffs

The benefits in terms of survival and reproduction that an organism gains from a particular behavior or trait.

Selfishness

The act of placing one's own needs or desires above the welfare of others.

Lions Hunt

The cooperative behavior displayed by lions when pursuing and capturing prey to ensure survival of the pride.

Cooperative Breeding

A reproductive strategy where more than two individuals contribute care to the offspring, often observed in birds and mammals.