BIO 141 Unit 6 Quiz
What type of photoreceptor cell perceives color? Rod Cone Hair cell Bipolar cell
Cone
What effect does the parasympathetic nervous system have on heart rate? No effect on heart rate Increases heart rate Decreases heart rate At first decreases, then increases heart rate
Decreases heart rate
What is secreted by the medulla of the highlighted structure? Glucocorticoids Cortisol Aldosterone Epinephrine and norepinephrine
Epinephrine and norepinephrine
Ejaculation is accomplished by the parasympathetic nervous system True False
False
Damage to the hair of the spiral organ (organ of Corti) can result in a loss of equilibrium Hearing Olfaction Vision
Hearing
Which structure is highlighted? Incus Malleus Stapes Tympanic membrane
Incus
Preganglionic neurons of the sympathetic nervous system originate in the Lateral horns of the spinal cord Gray rami communications sympathetic chain ganglion Collateral ganglion
Lateral horns of the spinal cord
Which structure is highlighted? Optic disc Fovea centralis Retina Choroid
Retina
Where are the general senses located? Eyes Nose Tongue Skin
Skin
Olfaction is the sense of Taste Balance Hearing Smell
Smell
What two systems are interfaces by the adrenal medulla? Somatic nervous system and autonomic nervous system Parasympathetic nervous system and endocrine system Parasympathetic nervous system and sympathetic nervous system Sympathetic nervous system and endocrine system
Sympathetic nervous system and endocrine system
What gland secretes oil to prevent the eyelids from sticking together? Sudoriferous gland Lacrimal gland Ceruminous gland Tarsal gland
Tarsal gland
The retina is the only portion of the eye to contain photoreceptor cells True False
True
The axons of parasympathetic postganglionic neurons are: Situated within terminal ganglia Found close to the spinal cord Long Short
short
As Lisa drove home, she was suddenly alerted to the sound of a blaring horn and realized she had drifted off to sleep. Which nervous system division dominated when she was startled awake? Sympathetic nervous system Somatic nervous system Parasympathetic nervous system Sensory nervous system
sympathetic nervous system
What neurotransmitter is released by the axon of a sympathetic preganglionic neuron to communicate with sympathetic postganglionic neuron? Norepinephrine Acetylcholine Adrenaline Epinephrine
Acetylcholine
What structure is highlighted? Undescended testis Left kidney Adrenal gland Pancreas
Adrenal gland
Which structure is highlighted? Helix Lobe External acoustic meatus Auricle
Auricle
What does the vagus nerve (CN X) innervate? Blood vessels Sweat glands Cardiac muscle cells Adipocytes
Cardiac muscle cells
What is NOT a function of cerumen? Cerumen traps debris before us reaches the tympanic membrane Cerumen waterproofs and lubricates the external auditory canal Cerumen enhances sound transmission into the ear canal Cerumen sweeps debris from the external auditory canal
Cerumen enhances sound transmission into the ear canal