In an Experiment with Hamsters in Which the Lights Are

question 120

Multiple Choice

In an experiment with hamsters in which the lights are switched on and off 6 hours earlier each day, the animals will show

• A) period adjustment.
• B) phase shift.
• C) zeitgeber.
• D) arrhythmia.

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Definitions:

Tuberosity

A large rounded projection on a bone, often serving as a site for muscle or ligament attachment.

Clavicle

A long bone that serves as a strut between the shoulder blade and the sternum or breastbone, commonly known as the collarbone.

Scapula

The Scapula, commonly known as the shoulder blade, is a flat, triangular bone located on the back of the shoulder, connecting the humerus with the clavicle.

Sternum

A long flat bone located in the center of the chest, connected to the ribs via cartilage and forming part of the rib cage.