Diabetes insipidus results from

Diabetes insipidus results from


A. A decrase in insulin
B. A decrease of ADH
C. A increase of ADH
D. An increase in insulin
E. Two of these


Answer: B. A decrease in ADH

Which is not true regarding the adrenal medulla?

Which is not true regarding the adrenal medulla?



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

Nerves that serve the leg come from the

Nerves that serve the leg come from the 


A. sacral plexus.
B. brachial plexus.
C. lumbar plexus.
D. both the sacral and lumbar plexuses.


Answer: both the sacral and lumbar plexuses

Reflex arcs

Reflex arcs 


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.


Answer: may have a single synapse

If the dorsal root of a spinal nerve were to be cut, the individual would

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

Eye movements would be compromised by

Eye movements would be compromised by 


A. damage to the trochlear nerve.
B. damage to the vestibulocochlear nerve.
C. damage to the vagus nerve.
D. damage to the accessory nerve.


Answer: damage to the trochlear nerve

A cranial nerve with only sensory fibers is the

A cranial nerve with only sensory fibers is the


A. hypoglossal nerve.
B. vestibulocochlear nerve.
C. vagus nerve.
D. trigeminal nerve.


Answer: vestibulocochlear nerve

The extrapyramidal tracts

The extrapyramidal tracts 


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.


Answer: originate in the brainstem

The medulla oblongata

The medulla oblongata 


A. contains numerous vital centers.
B. contains the facial nuclei.
C. acts only as a relay center.
D. is the most advanced region of the brain.


Answer: contains numerous vital centers

Ataxia is often associated with

Ataxia is often associated with 


A. damage to the motor cortex.
B. damage to the cerebellum.
C. damage to the pyramidal tracts.
D. damage to the occipital lobe.


Answer: damage to the cerebellum

The suprachiasmatic nuclei

The suprachiasmatic nuclei 


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.


Answer: All apply

Which of the following is NOT a function of the hypothalamus?

Which of the following is NOT a function of the hypothalamus?


A. controls hunger and thirst
B. controls reactions to odors
C. controls body temperature
D. controls the autonomic nervous system


Answer: controls reactions to odors

Interpretation of auditory inputs would be most affected by

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

What is the function of CREB in long-term memory?

What is the function of CREB in long-term memory?


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

An example of working memory would be

An example of working memory would be


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

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


Answer: declarative or explicit memory

Which of the following is NOT a characteristic of Alzheimer's disease?

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


Answer: most cases are inherited

Which of the following is NOT

Which of the following is NOT 


A. cingulate gyrus
B. angular gyrus
C. amygdala
D. hippocampus


Answer: angular gyrus

Ablation of the amygdala and limbic system would primarily result in

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.


Answer: attenuation of aggressive behaviors

Damage to the Papez circuit prevents communication between

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.


Answer: the limbic system and the diencephalon

A "word salad" speech pattern occurs when

A "word salad" speech pattern occurs when 


A. Wernicke's area is damaged.
B. Broca's area is damaged.
C. the angular gyrus is damaged.
D. spinal nerves are damaged.


Answer: Wernicke's area is damaged

Individuals with aphasia

Individuals with aphasia


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

What is the purpose of the motor circuit?

What is the purpose of the motor circuit?


A. allows intended movements to occur and inhibits
unwanted movements
B. permits REM sleep
C. activates the RAS
D. inhibits language comprehension


Answer: allows intended movements to occur and inhibits unwanted movements

Impaired motor coordination in Parkinson's disease is often due to

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.


Answer: degeneration of the substantia nigra

The basal nuclei contain

The basal nuclei contain


A. the corpus striatum.
B. the supraoptic nucleus.
C. reticular formation.
D. All apply.


Answer: the corpus striatum

Chorea is most likely to result from

Chorea is most likely to result from


A. damage to the caudate nucleus.
B. damage to the spinal ganglia.
C. damage to the occipital lobe.
D. damage to the hypothalamus.


Answer: damage to the caudate nucleus

Brain metabolism may be best studied by

Brain metabolism may be best studied by


A. electroencephalography.
B. computed tomography.
C. magnetic resonance imaging.
D. positron-emission tomography.


Answer: positron-emission tomography

Which of the following statements is true of the cerebral cortex?

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

Which of the following is the correct list of the lobes of the cerebrum?

Which of the following is the correct list of the lobes of the cerebrum? 


A. insula, temporal, parietal, pons, occipital
B. temporal, frontal, insula, cerebellum, occipital
C. frontal, parietal, temporal, insula, occipital
D. cerebrum, midbrain, thalamus, pons, medulla oblongata


Answer: frontal, parietal, temporal, insula, occipital

Neural stem cells in adult mammalian brains are found in the

Neural stem cells in adult mammalian brains are found in the


A. cerebral cortex.
B. subventricular zone.
C. midbrain.
D. subgranular zone.
E. both the subventricular and subgranular zones.


Answer: both the subventricular and subgranular zones

Neural crest cells differentiate into

Neural crest cells differentiate into


A. the telencephalon
B. the red nucleus
C. the basal nuclei
D. peripheral nervous system ganglia


Answer: peripheral nervous system ganglia

Cerebrospinal fluid is found

Cerebrospinal fluid is found 


A. within the central canal.
B. within the ventricles.
C. within the olfactory bulbs.
D. both within the central canal and within the ventricles.


Answer: both within the central canal and within the ventricles

The cerebellum forms from the

The cerebellum forms from the


A. telencephalon.
B. metencephalon.
C. myelencephalon.
D. diencephalon.


Answer: metencephalon

The midbrain forms from the

The midbrain forms from the


A. telencephalon.
B. mesencephalon.
C. myelencephalon.
D. diencephalon.


Answer: mesencephalon

______ innervate muscles and glands.

______ innervate muscles and glands.


A. Sensory neurons
B. Ganglia
C. Motor neurons
D. Association neurons


Answer: Motor neurons