Exhibit 2-8

question 68

Multiple Choice

Exhibit 2-8.Consider the following frequency distribution. Refer to Exhibit 2-8.How many observations are at least 15 but less than 18?

• A)3
• B)4
• C)5

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Definitions:

Ruffini End Organ

Receptor located deep in the dermis and responding to continuous touch or pressure. Named for Italian histologist Angelo Ruffini (1864–1929).

Pacinian Corpuscle

A type of mechanoreceptor found in the skin and various internal organs that detects pressure and vibration.

Sensory Receptors

Specialized cells or structures in organisms that respond to external stimuli and send signals to the nervous system.

Meissner Corpuscles

Specialized nerve endings in the skin that are sensitive to touch and vibration, especially in hairless areas.