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61. In the context of the neuron structure, the tiny

Question : 61. In the context of the neuron structure, the tiny : 1411867

 

61. In the context of the neuron structure, the tiny space between two neurons is called the _____.

A. node of Ranvier

B. cell body

C. synapse

D. interneuron

62. In the context of the neuron structure, neurotransmitters are stored in the _____.

A. dendrites

B. cell bodies

C. terminal buttons

D. nuclei

63. Chemical substances that are stored in very tiny sacs within the terminal buttons and are involved in transmitting information across a synaptic gap to the next neuron are known as _____.

A. synaptic vesicles

B. glial cells

C. neurotransmitters

D. ions

64. After delivering its message, some of the neurotransmitter is used up in the production of energy, and some of it is reabsorbed by the axon that released it to await the next neural impulse. In the context of synaptic transmission, this reabsorption is called _____.

A. reuptake

B. revision

C. inhibition

D. depolarization

65. In the nervous system, which of the following is true of neurons and the neurotransmitters they secrete?

A. Most neurons secrete many neurotransmitters at the same time.

B. At any given time, a neuron is receiving a mixture of messages from the neurotransmitters.

C. Neurotransmitters in neurons cannot be both excitatory and inhibitory.

D. Neurotransmitters are located in the nuclei of the neurons.

66. In the context of neurotransmitters, individuals with Alzheimer’s disease, a degenerative brain disorder that gradually destroys memory, most likely have a(n) _____.

A. acetylcholine deficiency

B. serotonin deficiency

C. excess of norepinephrine

D. excess of dopamine

67. Martin’s father is experiencing memory loss related to Alzheimer disease. In the context of neurotransmitters, this is most likely due to the insufficient production of _____ in his brain.

A. serotonin

B. gamma aminobutyric acid

C. acetylcholine

D. dopamine

68. Which of the following is true of the neurotransmitter acetylcholine?

A. It is produced in excess in Alzheimer disease.

B. It is responsible for the degenerative disorder called multiple sclerosis (MS).

C. It is found only in the peripheral nervous system.

D. It is involved in muscle action, learning, and memory.

69. The neurotransmitter that is specifically involved in muscle action, learning, and memory is _____.

A. serotonin

B. gamma aminobutyric acid

C. acetylcholine

D. dopamine

70. The neurotransmitter gamma aminobutyric acid (GABA) is found _____.

A. throughout the central nervous system

B. throughout the peripheral nervous system

C. in the least number of brain synapses

D. in the autonomic nervous system only

 

 

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