While Studying in the Crowded Library,Arlene Hears a Crashing Noise

question 34

Multiple Choice

While studying in the crowded library,Arlene hears a crashing noise and then someone moaning.The commotion appears to have come from behind closed doors marked "Staff Only." Nobody near Arlene seems concerned,so Arlene goes back to her studying.This example best illustrates

• A) the bystander effect.
• B) social exchange theory.
• C) altruism.
• D) the reciprocity norm.

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Definitions:

External Jugular Vein

A vein located on the outside of the neck that drains blood from the head, neck, and upper chest into the superior vena cava.

Radial Vein

A vein that accompanies the radial artery and drains blood from the lateral portion of the forearm.

Forelimb

The front limbs of an animal that in humans refer to the arms, including structures from the shoulder to the fingers.

Saphenous Vein

A large vein running along the length of the leg, commonly used for grafts in coronary artery bypass surgery.