Exam 4: The Peripheral Nervous System: Sensory, Autonomic, Somatic

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Match the part of the autonomic nervous system, labelled a. through d., with its description(s). (Options may be used more than once or not at all.) -postganglionic fibre that secretes norepinephrine

(Multiple Choice)
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What is the sequence of retinal processing

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Photoreceptors, bipolar cells, and ganglion cells all display action potentials.

(True/False)
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Match the ear parts, labelled a. through e., with their characteristics. (Options may be used more than once or not at all.) -contains the ossicular system, which contributes to the amplification of the sound wave

(Multiple Choice)
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Which statement describes rods

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An incoming pathway for subconscious information derived from the internal viscera is called a(n) ____________________, whereas an incoming pathway for information propagated to the conscious levels of the brain is called a(n) ____________________.

(Short Answer)
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Match the part of the autonomic nervous system, labelled a. through d., with its description(s). (Options may be used more than once or not at all.) -innervates smooth muscle, cardiac muscle, and exocrine glands

(Multiple Choice)
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Under which of these conditions does natural analgesia occur

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Where is the optic chiasm located

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Match the ear parts, labelled a. through e., with their characteristics. (Options may be used more than once or not at all.) -contains the tympanic membrane, which vibrates in synchrony with sound waves

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It is possible through the use of drugs to activate the receptors found in bronchiolar smooth muscle without influencing the receptors in the heart.

(True/False)
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Match the eye disorders, labelled a. through i., with their descriptions. (Options may be used more than once or not at all.) -corrected by concave lens

(Multiple Choice)
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Match the rods and cones, labelled a. through c., with their properties. (Options may be used more than once or not at all.) -little convergence in pathways

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Prostaglandins suppress the sensitivity of nociceptors.

(True/False)
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The intensity of a stimulus is coded by the ____________________ of the action potentials sent along the related afferent neuron.

(Short Answer)
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Which of these systems suppress the digestive organs during times of greater physical activity

(Multiple Choice)
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Unmyelinated C fibres send impulses for slow pain pathways.

(True/False)
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The incus is a structure of the middle ear.

(True/False)
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Which of these structures is NOT involved in sending a vibrational signal to the inner ear

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Match the rods and cones, labelled a. through c., with their properties. (Options may be used more than once or not at all.) -used for night vision

(Multiple Choice)
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