Exhibit 15.1 The Following Questions Employ the AON Network and Partial Spreadsheet

question 7

Multiple Choice

Exhibit 15.1
The following questions employ the AON network and partial spreadsheet below.
-Activity-on-Arc (AOA) networks do not allow multiple arcs with common start and finish nodes. If this must be represented, how is an AOA network modified?

• A) The network is redrawn into an Activity-on-Node network.
• B) Connect the arcs to the node using an IFERROR() function.
• C) Phantom (dummy) activity arcs are added.
• D) Zero duration activity arcs are added.

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Definitions:

Tympany

A drum-like sound produced during percussion of a body cavity with significant air content, often heard in the abdomen.

Xiphoid Process

The small, cartilaginous projection at the lower end of the sternum, which can become ossified in adults.

Aortic Pulsations

The rhythmic expansion and contraction felt over the aorta, reflecting the heartbeat and blood flow.

Peristalsis

The coordinated, rhythmic contractions of smooth muscle that occur in the digestive tract to move food and waste products through the body.