Seton Biology Chapter 6 Test
olfactory receptors
The ____________ are located in the human nasal passage. a. angiotensin receptors b. cannabinoid receptors c. adrenoreceptors d. olfactory receptors e. All of the above
organ of Corti
The ____________ contains sensory neurons that make up the auditory nerve, and is responsible for sending impulses to the brain. a. eardrum b. oval window c. organ of Corti d. tympanic membranes e. semicircular canals
acetylcholinesterase
The neurotransmitter which allows the muscles to relax is: a. dopamine b. gaba c. sorotonin d. acetylcholinesterase e. acetylcholine
acetylcholine
The neurotransmitter which causes the muscles to contract is _____: a. dopamine b. gaba c. acetylcholine d. acetylcholinesterase e. sorotonin
medulla oblongata
The part of the brain controls basic life functions, such as the rate of breathing and the heartbeat is the: a. thalamus b. hyperthalamus c. medulla oblongata d. None of the above e. All of the above
none of the above
The part of the brain that acts like a central processing unit in a computer: a. cerebellum b. hypothalamus c. medulla oblongata d. brain stem e. None of the above
spinal cord
The part of the nervous system that coordinates most simple reflex behavior is the: a. spinal cord b. brain c. peripheral d. Both A and B e. None of the above
meninges
The protective membranes which cover the brain and spinal cord are called: a. vermis b. myelin c. gray matter d. meninges e. white matter
sympathetic nervous system
The ____________ is dominant during times of great stress. a. central nervous system b. sympathetic nervous system c. somatic nervous system d. parasympathetic nervous system e. All of the above
neurotransmitter
A chemical which is released from an axon and causes an impulse in another neuron is a(n): a. synapsor b. neuromolecule c. neurotransmitter d. transmitter ion e. interneuron
semicircular canals
Changes in the position of the head are detected by pressure exerted on receptors in this ear structure. a. semicircular canals b. tympanic membrane c. cochlea d. oval window e. utricle
convolutions
The cerebral cortex is folded into ridges and depressions called: a. cerebrumane b. hemispheres c. curvolutions d. convolutions e. sinuouses
iris
The colored area of the eye that contains smooth muscles to adjust the amount of light which enters the eye. a. iris b. pupil c. cornea d. retina e. choroid
parasympathetic nervous system
After an emergency, the __________________ returns the body to its normal state. a. parasympathetic nervous system b. sympathetic nervous system c. central nervous system d. somatic nervous system e. All of the above
reflex
An automatic, or unthought-out response to a stimulus is called a: a. somatic b. reflex c. impulse d. sympathetic e. catalyst
sclera; choroid; retina; optic disc; optic nerve; lens; cornea; pupil; iris; ciliary body
A. aqueous humor B. cochlea C. cornea D. rods E. choroid F. optic nerve G. pupil H. retina I. lens J. iris K. vitreous humor L. optic disc (blind spot) M. sclera N. ciliary body O. incus