Chapter 13 and 14 – Flashcards
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Innervates the superior oblique muscle A) Oculomotor Nerve B) Trochlear Nerve C) Vestibubcochlear Nerve D) Vagus Nerve E) Hypoglossal Nerve
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B) Trochlear Nerve
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Longest cranial nerve A) Oculomotor Nerve B) Trochlear Nerve C) Vestibubcochlear Nerve D) Vagus Nerve E) Hypoglossal Nerve
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D) Vagus Nerve
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Damage to this nerve would cause dizziness, nausea, and loss of balance A) Oculomotor Nerve B) Trochlear Nerve C) Vestibubcochlear Nerve D) Vagus Nerve E) Hypoglossal Nerve
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C) Vestibubcochlear Nerve
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Involved in movement of the digestive tract A) Oculomotor Nerve B) Trochlear Nerve C) Vestibubcochlear Nerve D) Vagus Nerve E) Hypoglossal Nerve
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D) Vagus Nerve
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Damage to this nerve would cause difficulty in speech and swallowing, but no effect on visceral organs A) Oculomotor Nerve B) Trochlear Nerve C) Vestibubcochlear Nerve D) Vagus Nerve E) Hypoglossal Nerve
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E) Hypoglossal Nerve
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Damage to this nerve would keep the eye from rotating inferolaterally A) Oculomotor Nerve B) Trochlear Nerve C) Vestibubcochlear Nerve D) Vagus Nerve E) Hypoglossal Nerve
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B) Trochlear Nerve
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Formed by the union of a cranial and spinal cord A) Abducens B) Vestibulocochlear C) Olfactory D) Vagus E) Accessory
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E) Accessory
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Receptors located in epithelium of the nasal cavity A) Abducens B) Vestibulocochlear C) Olfactory D) Vagus E) Accessory
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C) Olfactory
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Serves the senses of hearing and equilibrium A) Abducens B) Vestibulocochlear C) Olfactory D) Vagus E) Accessory
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B) Vestibulocochlear
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Helps to regulate blood pressure and digestion A) Abducens B) Vestibulocochlear C) Olfactory D) Vagus E) Accessory
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D) Vagus
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Turns the eyeball laterally A) Abducens B) Vestibulocochlear C) Olfactory D) Vagus E) Accessory
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A) Abducens
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Tests both upper and lower pathways. The sole of the foot is stimulated with a dull instrument A) Tendon B) Stretch C) Crossed-extensor D) Flexor E) Plantar
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E) Plantar
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Consists of an ipsilateral withdrawal reflex and a contralateral extensor reflex; important in maintaining balance A) Tendon B) Stretch C) Crossed-extensor D) Flexor E) Plantar
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C) Crossed-extensor
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Produces a rapid withdrawal of the body part from a painful stimulus; ipsilateral A) Tendon B) Stretch C) Crossed-extensor D) Flexor E) Plantar
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D) Flexor
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Prevents muscle overstretching and maintains muscle tone A) Tendon B) Stretch C) Crossed-extensor D) Flexor E) Plantar
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B) Stretch
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Produces muscle relaxation and lengthening in response to tension; the contracting muscle relaxes as it is antagonist is activated A) Tendon B) Stretch C) Crossed-extensor D) Flexor E) Plantar
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A) Tendon
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Which of the following does not describe the ANS A) a system of motor neurons that innervates smooth and cardiac muscle and glands B) a system of motor neurons that innervates all muscle cells C) involuntary nervous system D) general visceral motor system
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B) a system of motor neurons that innervates all muscle cells
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Preparing the body for the "flight-or-flight" response is the role of the A) sympathetic nervous system B) cerebrum C) parasympathetic nervous system D) somatic nervous system
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A) sympathetic nervous system
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The somatic and autonomic nervous systems differ in all the following except A) their effectors B) their efferent pathways C) to some degree in target responses to their neurotransmitters D) all of the neurotransmitters
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D) all the neurotransmitters
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Where would you not find a cholinergeric nicotinic receptor A) all parasympathetic target organs B) all postganglionic neurons C) adrenal medulla hormone producing cells D) skeletal muscle motor end plates
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A) all parasympathetic target organs
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The parasympathetic ganglion that serves the eye is the A) ciliary ganglion B) pterygopalatine ganglion C) submandibular ganglion D) otic ganglion
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A) ciliary ganglion
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Cardiovascular effects of the sympathetic division include all except A) constriction of most blood vessels B) dilation of the vessels serving the skeletal muscles C) increase of heart rate and force D) dilation of the blood vessels serving the skin and digestive viscera
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D) dilation of the blood vessels serving the skin and digestive viscera
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Over 90% of all parasympathetic fibers are derived from the cranial nerve number A) V B) VII C) X D) XII
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C) X
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The "resting and digesting" division of the autonomic nervous system is the A) parasympathetic division B) sympathetic division C) somatic division D) peripheral nervous system
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A) parasympathetic division
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Control of temperature endocrine activity, and thirst are functions associated with the A) medulla B) cerebellum C) hypothalamus D) thalamus
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C) hypothalamus
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Which of these effectors is not directly controlled by the automonic nervous system A) smooth muscle B) cardiac muscle C) skeletal muscle D) most glands
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C) skeletal muscle
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Which of the following is not a result of parasympathetic stimulation A) salivation B) dilation of the pupils C) increased peristalsis of the digestive viscera D) elimination of urine
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B) dilation of the pupils
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Which of the following statements is not true A) sympathetic origin is craniosacral; parasympathetic is thoracolumbar B) sympathetic ganglia are within a few centimeters of the CNS; parasympathetic are close to visceral organs served C) sympathetic division has short preganglionic and long postganglionic fibers; parasympathetic has long preganglionic and short postganglionic fibers D) sympathetic has extensive branching of preganglionic fibers; parasympathetic has minimal branching of preganglionic fibers
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A) sympathetic origin is craniosacral; parasympathetic is thoracolumbar
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Sympathetic responses generally are widespread because A) inactivation of ACh is fairly slow B) NE and epinephrine are secreted into the blood as part of the sympathetic response C) preganglionic fibers are short D) preganglionic fibers are long
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B) NE and epinephrine are secreted into the blood as part of the sympathetic response
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Sympathetic nerves may leave the spinal cord at which vertebra A) second cervical B) third lumbar C) first coccyx D) first thoracic
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D) first thoracic
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Autonomic ganglia contain A) and outer connective tissue capsule around the cell bodies of preganglionic motor neurons B) synapses between postganglionic fibers and their effectors C) the cell bodies of motor neurons D) both somatic afferent and efferent neurons
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C) the cells bodies of motor neurons
