Immunity that results from exposure to an antigen in the environment is called ________ immunity.
A) naturally acquired active
B) naturally acquired passive
C) artificially acquired active
D) artificially acquired passive
E) innate
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Question 2) We can localize sensations that originate in different areas of the body because
A) sensory neurons carry only one modality.
B) sensory neurons from specific body regions project to specific cortical regions.
C) incoming sensory information is first processed by the thalamus.
D) different types of sensory receptors produce action potentials of different sizes and shapes.
E) of the many types of tactile receptors.
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Question 3) Defense of the body against a particular pathogen is provided by
A) innate immunity.
B) adaptive immunity.
C) immunological surveillance.
D) skin defenses.
E) fever.
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Question 4) Which neuron delivers sensations to the CNS?
A) first-order
B) second-order
C) third-order
D) fourth-order
E) sensory receptor
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Question 5) All of the following are characteristics of adaptive defenses except
A) versatility.
B) tolerance.
C) memory.
D) specificity.
E) present at birth.
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Question 6) Thalamic neurons that project to the primary sensory cortex are ________ neurons.
A) receptor
B) first-order
C) second-order
D) third-order
E) fourth-order
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Question 7) Cytotoxic T cells can attack target cells with which of the following chemical weapons?
A) secrete strong acid
B) secrete organic solvent
C) secrete free radicals
D) secrete a cytokine that triggers apoptosis
E) secrete mutant proteins that get incorporated into the target's DNA
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Question 8) What loss would result from cutting through the medial lemniscus on the right side?
A) loss of pain sensation on the left side of the body
B) loss of pain sensation on the right side of the body
C) loss of fine touch sensation on the left side of the body
D) loss of fine touch sensation on the right side of the body
E) complete hemiplegia (paralysis) on the left side of the body
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Question 9) Immunity that is genetically determined and present at birth is called ________ immunity.
A) active
B) natural passive
C) passive
D) auto
E) innate
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Question 10) The afferent neuron that carries the sensation and enters the CNS is a ________ neuron.
A) receptor
B) first-order
C) second-order
D) third-order
E) fourth-order
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