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A sense is a specialized function or mechanism by which an animal does what?
Grows bigger and stronger
Thinks about complex problems
Receives and responds to external or internal stimuli
Moves from one place to another
Receives and responds to external or internal stimuli
Which of the following are considered the 5 traditional senses?
Sight, hearing, smell, taste, and balance
Sight, hearing, temperature, pain, and touch
Sight, hearing, smell, touch, and pressure
Sight, hearing, smell, taste, and touch
Sight, hearing, smell, taste, and touch
The semicircular canals are fluid-filled areas that help the body do what?
Convert vibrations into electrical signals
Maintain balance
Transmit signals to the brain
Amplify sound
Maintain balance
What is the role of the pupil?
It is a nerve that carries signals to the brain.
It is a clear structure that helps focus light.
It is the main, central part of vision.
It is an opening that allows light into the eye
It is an opening that allows light into the eye
What is a neuron?
A specialized cell that transmits information via electrical and chemical signals
A cell that helps provide shape to taste buds
A part of the brain that connects odors to emotions
A bundle of axons
A specialized cell that transmits information via electrical and chemical signals
What do Pacinian corpuscles detect?
Deep pressure and high-frequency vibration
Steady pressure and fine details
Light touch and low-frequency vibration
Skin stretch and sustained pressure
Deep pressure and high-frequency vibration
The bone that separates the nasal cavity from the brain is called the...?
Olfactory bulb
Cribriform plate
Olfactory epithelium
Olfactory cortex
Cribriform plate
Which part of the brain connects odors to emotions and memory?
Olfactory bulb
Olfactory epithelium
Cribriform plate
Olfactory cortex
Olfactory cortex
Which cells in a taste bud are responsible for detecting chemicals in the mouth?
Supporting cells
Sensory cells
Epithelial cells
Basal cells
Sensory cells
What are microvilli in the context of taste?
Microscopic hair-like projections that interact with tastants.
Cells that eventually become sensory cells.
Cells that provide shape to the taste bud
A nerve that carries taste information to the brain.
Microscopic hair-like projections that interact with tastants.
Touch receptors in the skin, such as Merkel discs and Meissner's corpuscles, are all types of...?
Chemoreceptors
Thermoreceptors
Photoreceptors
Mechanoreceptors
Mechanoreceptors
What is the olfactory epithelium?
The bone that separates the nasal cavity from the brain.
Tissue in the nasal cavity containing special smell receptor neurons.
A part of the brain that does deeper processing of smell.
A part of the brain that does initial processing of smell.
Tissue in the nasal cavity containing special smell receptor neurons.
What is the function of supporting cells in a taste bud?
To help provide the shape of the taste bud.
To eventually become sensory cells.
To detect chemicals in the mouth.
To carry taste information to the brain.
To help provide the shape of the taste bud.
What is the macula?
The clear part of the eye's focusing system.
The most sensitive part of the retina and the central part of vision.
The opening that allows light into the eye.
The colored part of the eye that regulates light.
The most sensitive part of the retina and the central part of vision.
What is another name for the eardrum, and what is its function?
The tympanic membrane; it helps with balance.
The tympanic membrane; it receives vibrations and amplifies sound.
The cochlea; it converts vibrations to signals.
The auditory nerve; it sends signals to the brain.
The tympanic membrane; it receives vibrations and amplifies sound.
Receptors that detect chemical stimuli, like those for taste and smell, are called...?
Photoreceptors
Nocireceptors
Chemoreceptors
Thermoreceptors
Chemoreceptors
What kind of stimulus do thermoreceptors detect?
Pressure
Pain
Light
Temperature
Temperature
Where are the main locations for mechanoreceptors in the body?
Retina and skin
Nose and tongue
Skin and organs
Skin and ears
Skin and ears
What is the main job of the axon in a neuron?
To cover and insulate the neuron
To receive signals from other cells
To send signals to neighboring neurons
To transfer impulse signals from the cell body to the synapses
To transfer impulse signals from the cell body to the synapses
Which part of the eye is a clear, colorless mass that fills most of the eyeball?
Vitreous gel
Lens
Cornea
Macula
Vitreous gel
Which type of receptor is responsible for detecting light?
Chemoreceptors
Nocireceptors
Mechanoreceptors
Photoreceptors
Photoreceptors
A bundle of axons that carries signals to and from the brain and spinal cord is called a...?
Dendrite
Receptor
Nerve
Synapse
Nerve
What part of the neuron receives electrical impulses from neighboring cells?
Myelin sheaths
Dendrites
Axon
Synapses
Dendrites
Which part of the eye is made of photoreceptors (rods and cones) that convert images into electrical impulses?
Retina
Pupil
Vitreous gel
Cornea
Retina
What is the function of the iris?
It is the clear outer part of the eye's focusing system
It is the opening that allows light into the eye.
It is the colored part that regulates how much light enters the eye.
It is the biggest sensory nerve in the eye.
It is the colored part that regulates how much light enters the eye.