A PERT Network Consists of Activities Linked by Arrows

question 113

Multiple Choice

A PERT network consists of activities linked by arrows. Suppose two of the activities on the network are labeled "A" and "B." An arrow from "A" to "B" indicates that

• A) the same resources used to complete "A" are also used to complete "B."
• B) "A" and "B" can be completed at the same time.
• C) "A" takes longer to complete than "B."
• D) "A" must be completed before "B" can begin.

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Definitions:

Dorsal Ramus

A branch of a spinal nerve that innervates muscles and skin of the back.

Peripheral Nerves

Nerves located outside the brain and spinal cord, responsible for relaying information between the central nervous system and the rest of the body.

Stretch Reflex

An involuntary muscle contraction response to the stretching within the muscle, protecting the muscle from over-stretching and maintaining muscle tone.

Crossed-Extensor Reflex

A reflex action in which an extensor muscle in one limb is activated in response to a painful stimulus in another limb, facilitating balance and postural adjustment.