A. It is innervated by the sympathetic division of the ANS
B. It is innervated by the postganglionic neuron
C. It produces the hormone norepinephrine
D. It produces the hormone epinephrine
Answer: B. It is innervated by the postganglionic neuron
A. require the actions of the brain.
B. do not utilize somatic motor nerves.
C. generally rely on the actions of the hypothalamus.
D. may have a single synapse.
If the dorsal root of a spinal nerve were to be cut, the individual would
A. have no motor responses for that nerve.
B. have no sensory perception from that nerve.
C. have no reflexes involving that nerve.
D. Both have no sensory perception from that nerve and have no reflexes involving that nerve are correct.
Answer: Both have no sensory perception from that nerve and have no reflexes involving that nerve are correct
A. arise in the cerebral cortex.
B. always cross in the spinal cord.
C. originate in the brainstem.
D. are responsible for reflex generation ofa Babinski sign.
A. are located in the anterior hypothalamus.
B. controls melatonin secretion from the pineal gland.
C. contains "clock cells" that have patterns which repeat about every twenty-four hours.
D. All apply.
Interpretation of auditory inputs would be most affected by
A. ablation of the intralaminar nuclei of the thalamus.
B. ablation of the hypothalamus.
C. ablation to the medial geniculate nuclei of the thalamus.
D. ablation of the lateral geniculate nuclei of the thalamus.
Answer: ablation to the medial geniculate nuclei of the thalamus
A. opens Ca2+ channels
B. addition of AMPA receptors
C. draws more glutamate into the neuron
D. activates genes to make proteins such as dendritic spines
Answer: activates genes to make proteins such as dendritic spines
A. recognizing a threatening picture.
B. remembering the last hockey game you attended.
C. looking up an address and addressing an envelop.
D. playing a song on the piano you learned as a child.
Answer: looking up an address and addressing an envelop
The famous patient "H.M." could not remember events that occurred after his memory was damaged after he had brain surgery to treat his epilepsy. He retained his perceptual and motor skills, but lost his memory of new facts and events. Thus, H.M.'s deficit was in
A. nondeclarative or implicit memory
B. declarative or implicit memory
C. declarative or explicit memory
D. nondeclarative or explicit memory
Which of the following is NOT a characteristic of Alzheimer's disease?
A. an accumulation of intracellular proteins that form neurofibrillar tangles
B. loss of neurons in the hippocampus and cerebral cortex
C. an accumulation of extracellular proteins that form senile plaques
D. most cases are inherited
_________ is an enzyme that catalyzes the formation of a particular damaging amyloid -peptide that is implicated in inherited forms of early-onset Alzheimer's disease.
A. -secretase
B. -secretase
C. -secretase
D. -secretase
Ablation of the amygdala and limbic system would primarily result in
A. loss of voluntary muscle contraction.
B. attenuation of aggressive behaviors.
C. loss of ability to detect olfactory inputs.
D. no noticeable effects.
Damage to the Papez circuit prevents communication between
A. the limbic system and olfactory bulbs.
B. the limbic system and hippocampus.
C. the limbic system and the diencephalon.
D. the limbic system and the cerebrum.
A. often have damage to spinal nerves.
B. may not be able to write if the angular gyrus is damaged.
C. often speak slowly if Wernicke's area is damaged.
D. often form nonsensical sentences if Broca's area is
damaged.
Answer: may not be able to write if the angular gyrus is damaged
Cerebral lateralization, in which the _____ cerebral hemisphere is specialized for language and analytical ability and the right for visuospatial ability, is true for 97% of all people.
Impaired motor coordination in Parkinson's disease is often due to
A. degeneration of the red nucleus.
B. degeneration of the substantia nigra.
C. lack of regulation of the cerebral peduncles.
D. degeneration of the mesolimbic system.
Which of the following statements is true of the cerebral cortex?
A. Sensations from the feet would be on the most inferior
area of the somatesthetic cortex.
B. Areas of the body with the greatest density of receptors
will have larger areas on the somatesthetic cortex.
C. The hands have a very small area on the motor cortex.
D. The left side of the motor cortex controls muscles on the
left side of the body.
Answer: Areas of the body with the greatest density of receptors will have larger areas on the somesthetic cortex