A&P 1: General Sensation

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Which letter indicates the common site of referred stomach pain?

A

Match the letter with the type of receptor shown in the image.

A - free nerve ending B - root hair plexus C - tactile disc

Match the letter with the common site of referred pain.

A - liver & gallbladder B - appendix C - ureter D - heart

Match the letter with the encapsulated receptor type pictured.

A - tactile corpuscle B - lamellated corpuscle C - end bulb D - bulbous corpuscle

Letter ______ is the lamellated corpuscle.

C

Receptors of the human body convert stimulus energy into ______.

an electrical signal

Which is a type of tonic receptor that detects both continuous deep pressure and distortion of the skin?

bulbous corpuscles

Receptors that detect chemicals are called

chemoreceptor

Receptors in blood vessels that monitor the concentration of carbon dioxide in our blood are called ______.

chemoreceptors

Free nerve endings are terminal branches of ______.

dendrites

Where are mechanoreceptors found?

ear, skin

Cutaneous receptors are a type of ______.

exteroceptors

What type of receptor is found in the mucous membranes?

exterorecptors

Interoceptors detect stimuli from the body's ______ environment.

internal

Specific types of receptors called ___ detect stimuli in the internal organs.

interoceptor

Pacinian corpuscles are also called ______.

lamellated corpuscles

What type of receptors detects deep pressure and vibration?

lamellated corpuscles

Tactile receptors are a type of ______.

mechanoreceptor

Free nerve endings are usually found in the ______.

papillary layer of the dermis

What type of receptor can undergo adaptation?

phasic

Receptors that exhibit rapid adaption to a constant stimulus are receptors.

phasic or adapting

What type of receptor detects changes in light?

photoreceptors

What type of receptor monitors changes in body position?

proprioception

The types of the receptor that include only the somatic sensory receptors within joints, muscles, and tendons are called

proprioceptors

Some individuals experience pain in their left shoulder during a heart attack. This is an example of ______.

referred pain

______ occurs when impulses from an organ are perceived as originating from the skin.

referred pain

Root hair plexuses are usually found in the ______.

reticular layer of the dermis

Specialized free nerve endings that surround hair follicles are called ___ hair plexuses.

root

Receptors for general senses are usually ______.

simple in structure

Receptors for general senses are distributed throughout the ______ and viscera.

skin

Tactile cells associated with tactile discs are located in the ______.

stratum basale

What type of phasic receptors detects light touch, shapes, textures?

tactile corpuscles

A flattened dendritic disc is a type of unencapsulated receptor called a ______.

tactile disc

Tactile cells are associated with ______.

tactile discs

What is the most numerous type of receptor?

tactile receptors

A feature common to all receptors is ______.

the ability to respond to a stimulus

Somatic receptors are found within ______.

the body wall

Which would stimulate somatic nociceptors?

touching a hot pan, sprained ankle, exposure to acid on the skin

The two types of nociceptors are somatic nociceptors and ___ nociceptors.

visceral

Stretch receptors in the stomach would be classified as what type?

visceral sensory


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