Senses- Connect

A structure composed of nervous tissue along with other tissues that enhance its response to a certain type of stimulus is called a(n) __________.

• sense organ

• receptor

• transducer

• activator

What is a sensation?

• • Detection of a stimulus resulting in a transducer potential

• • Detection of a stimulus resulting in a conducting potential

• Detection of a stimulus resulting in a receptor potential

• • Detection of a stimulus resulting in a resting potential

Changes in cerebrospinal fluid pH are detected by _________.

• • thermoreceptors

• chemoreceptors

• • nociceptors

• • mechanoreceptors

Changes in blood pressure are detected by _________ in certain arteries.

• mechanoreceptors

• • chemoreceptors

• • proprioceptors

• • nociceptors

You can smell the fragrance of your deodorant when you just put it on, but after a little while the smell fades. What explains this phenomenon?

• • The sensory projection of olfaction

• • The projection pathway of olfaction

• • The tonic nature of olfaction

• The phasic nature of olfaction

Which organ does not have nociceptors?

• Brain

• Heart

• Kidney

• Stomach

Pain, heat, and cold are detected by ________.

• • tactile discs

• • tactile corpuscles

• • lamellar corpuscles

• free nerve endings

Where do most second-order somatosensory neurons synapse with third-order neurons?

• Midbrain

• Thalamus

• • Spinothalamic tract

• • Hypothalamus

Which taste is produced by amino acids such as aspartic acid and glutamic acid?

• • Salty

• Umami

• • Bitter

• Sweet

What is the only sense in which signals can reach the cerebral cortex without passing first through the thalamus?

• • Touch

• Olfaction

• • Gustation

• • Vision