With a Broken Bone, Pain Can Be Caused If the Damaged

question 1

Multiple Choice

With a broken bone, pain can be caused if the damaged area is touched or moved. How would bumping an area of skin nearby a broken bone affect the stimulation of the nociceptors in this area?

• A) stimulation will be adapted to and pain will no longer be felt
• B) stimulation will increase the strength of the action potentials fired
• C) stimulation will decrease the intensity of pain felt
• D) stimulation will increase the intensity of pain felt

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Definitions:

Epidermis

The outermost layer of cells covering an organism, notably the skin of animals or outer layer of leaves in plants.

Endodermis

The innermost layer of cells in the cortex of a plant root, serving as a selective barrier that regulates the passage of substances from the soil into the vascular cylinder.

Sieve Tube

Sugar-conducting tube of phloem; consists of stacked sieve elements.