BIO 141 Unit 6 Quiz

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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


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