Which of the Following Is True of Host Factors When

question 48

Multiple Choice

Which of the following is true of host factors when studying epidemiology?

• A) The host must be a person or animal; it cannot be a plant.
• B) The vector is the host.
• C) Host factors relate primarily to susceptibility and resistance to disease.
• D) Host factors are the biologic or mechanical means of causing disease.

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Definitions:

Hair Follicle Receptors

Sensory nerve fibers that surround each hair follicle and are sensitive to the movement of the hair, providing tactile feedback.

Mechanoreceptors

Sensory receptors that respond to mechanical pressure or distortion, involved in detecting touch, pressure, sound, and proprioception.

Brainstem

The brainstem is the structure located at the base of the brain that connects the cerebrum with the spinal cord, and is responsible for controlling vital life functions such as breathing, heart rate, and blood pressure.

Optic Nerve

The cranial nerve that transmits visual information from the retina to the brain.