Chapter 30

The pain of a stomachache is an example of a ______. a. somatic sensation b. visceral sensation c. sensory adaptation d. spinal reflex

_________ is a decrease in the response to an ongoing stimulus. a. Perception b. Visual accommodation c. Sensory adaptation d. Somatic sensation

Which is a somatic sensation? a. taste b. smell c. touch d. hearing e. a through \(c\) f. all of the above

Chemoreceptors play a role in the sense of __________. a. taste b. smell c. touch d. hearing e. both a and b f. all of the above

In the ____________\(,\) neurons are arranged like maps that correspond to different parts of the body surface. a. visual cortex b. retina c. organ of Corti d. somatosensory cortex

Mechanoreceptors in the _________ send signals to the brain about the body's position and motion. a. eye b. ear c. tongue d. nose

The middle ear functions in _____. a. detecting shifts in body position b. amplifying and transmitting sound waves c. sorting sound waves out by frequency

Substance \(\underline{\mathrm{P}}\) __________. a. increases pain-related signals b. is a natural painkiller c. is the active ingredient in aspirin

The organ of Corti contains receptors that signal in response to ______________. a. heat b. sound c. light d. pheromones

Color vision begins with stimulation of __________. a. hair cells b. rod cells c. cone cells d. neuroglia

Visual accommodation involves adjustment to the shape of the ____________. a. conjunctiva b. retina c. orbit d. lens

When you view a close object, your lens gets _______. a. flatter b. rounder c. darker d. cloudier

___________ in the vestibular apparatus function in balance. a. Hair cells b. Rod cells c. Cone cells d. Neuroglia

______________ are chemical signals released by one individual that affect the behavior of another individual. a. Hormones b. Neurotransmitters c. Pheromones d. Endorphins

Match each structure with its description. _______ rod cell _______ cochlea _______ lens _______ sclera _______ cone cell _______ taste bud _______ semicircular canals _______ pinna _______ vomeronasal organ a. protects eyeball b. detect head movements c. detects pheromones d. detects dim light e. contains chemoreceptors f. focuses rays of light g. sorts out sound waves h. detects color i. collects sound waves