Quiz 2 (chapter 6 and 7)neuroscience

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The three main classes of neurotransmitters are ______, amines, and ______.

Amino acids, peptides, and amine

DA is converted into NE via the enzyme

DBH

Ionotropic glutamate receptors are selective for Cl-.

FALSE, ionotropic glutamate receptors are selective for Na and K

An example of an amine NT is GABA

False, GABA is an amino acid NT that plays an important role in behavior, cognition, and the body's response to stress.

Of these human brain structures, the most rostral is the... A) occipital lobe B) brain stem C) hypothalamus D) frontal lobe

Frontal lobe

Gray matter is composed mostly of ______, whereas white matter is composed mostly of ______.

Gray matter is soma (cell bodies) White matter is axons

A non-competitive agonist binds to a different receptor binding site than the endogenous ligand and activates the receptor.

TRUE

Taking a selective serotonin reuptake inhibitor results in longer-lasting 5-HT signals.

TRUE

The ventral roots of nerves leaving the spinal cord carry motor information and the dorsal roots of nerves entering the spinal cord carry sensory information.

TRUE

In the central nervous system, bundles of axons are called tracts and in the peripheral nervous system, bundles of axons are called nerves.

TRUE. CNS is tracts PNS is nerves

The final neurotransmitter in sympathetic nervous system pathways is most often NE, and the final neurotransmitter in parasympathetic nervous system pathways is most often ACh.

True

The nicotinic and muscarinic receptors are receptors for the neurotransmitter ______.

acetylcholine

Acetylcholine is degraded in the synaptic cleft by ______.

acetylcholinesterase

The autonomic nervous system is made up of...

the sympathetic nervous system and parasympathetic nervous system


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