A Return-Rate Graph

question 16

Multiple Choice

A return-rate graph:

• A)begins on the day the questionnaires were mailed.
• B)begins on the day the first response is received.
• C)begins on the day when at least ten responses are received.
• D)begins on the day the second mailing is planned.
• E)varies as to when it should begin depending on the nature of the project.

---

Definitions:

Smell Receptors

Specialized nerve cells located in the nose that detect chemical molecules in the air and transmit signals to the brain, resulting in the perception of odors.

Chemoreceptors

Sensory receptors that respond to chemical stimuli, found in various locations in the body, crucial for detecting changes in chemical composition.

Thermoreceptors

Specialized nerve cells that are able to detect changes in temperature, sending signals to the brain about the body’s external and internal temperature.

Mechanoreceptors

Sensory receptors that respond to mechanical pressure or distortion, involved in sensations such as touch, pressure, and sound.