Nurs 6630 week 1 knowledge check answers

Nurs 6630 week 1 knowledge check answers

 

Question 1            1 pts

Question: Which enzyme is responsible for the breakdown of acetylcholine in the synaptic cleft?

Group of answer choices

Monoamine oxidase

Catechol-O-methyltransferase

Acetylcholinesterase

Glutaminase

 

Question 2             1 pts

Question: Which type of receptor undergoes a conformational change upon ligand binding and activates intracellular signaling cascades?

Group of answer choices

 

Ionotropic receptor

 

G-protein-coupled receptor

 

Nuclear receptor

 

Tyrosine kinase receptor

 

Question 3              1 pts

Question: Which part of the nervous system is responsible for the “fight or flight” response?

Group of answer choices

 

Parasympathetic nervous system

 

Sympathetic nervous system

 

Somatic nervous system

 

Central nervous system

 

Question 4                1 pts

Question: In which part of the neuron are neurotransmitters typically stored before release?

Group of answer choices

 

Soma

 

Dendrites

 

Axon terminal

 

Myelin sheath

 

Question 5           1 pts

Question: Which neurotransmitter is most closely associated with mood regulation and is often targeted in the treatment of depression?

Group of answer choices

 

Dopamine

 

Serotonin

 

Norepinephrine

 

Glutamate

 

Question 6                1 pts

Question: The blood-brain barrier (BBB) serves which primary function?

Group of answer choices

 

Enhancing neurotransmitter transmission

 

Protecting the brain from harmful substances

 

Facilitating neural plasticity

 

Increasing metabolic activity

 

Question 71 pts

Question: Which of the following best describes an antagonist’s action at a receptor site?

Group of answer choices

 

It activates the receptor, producing a biological response.

 

It inhibits the receptor, preventing a biological response.

 

It binds to the receptor without activating it, blocking other ligands.

 

It degrades the receptor, reducing receptor density.

 

Question 81 pts

Question: The limbic system is primarily involved in which of the following functions?

Group of answer choices

 

Motor coordination

 

Sensory processing

 

Emotional regulation

 

Language comprehension

 

Question 91 pts

Question: What is the primary neurotransmitter associated with the parasympathetic nervous system?

Group of answer choices

 

Norepinephrine

 

Dopamine

 

Acetylcholine

 

Serotonin

 

Question 101 pts

Question: The reuptake of which neurotransmitter is primarily targeted by selective serotonin reuptake inhibitors (SSRIs)?

Group of answer choices

 

Dopamine

 

Norepinephrine

 

Serotonin

 

Acetylcholine

 

Question 111 pts

Question: The hypothalamus plays a crucial role in which of the following functions?

Group of answer choices

 

Voluntary movement

 

Sensory processing

 

Homeostasis and hormonal regulation

 

Cognitive processing

 

Question 121 pts

Question: What is the primary function of G-protein-coupled receptors in neurotransmission?

Group of answer choices

 

Directly opening ion channels

 

Activating second messenger systems

 

Transporting neurotransmitters

 

Degrading neurotransmitters

 

Question 131 pts

Question: Which of the following is a second messenger commonly involved in G-protein-coupled receptor signaling?

Group of answer choices

 

ATP

 

cAMP

 

DNA

 

RNA

 

Question 141 pts

Question: Which of the following processes is involved in the synthesis of catecholamines?

Group of answer choices

 

Decarboxylation

 

Methylation

 

Hydroxylation

 

Phosphorylation

 

Question 151 pts

Question: The action of which class of drugs involves blocking the reuptake of norepinephrine and dopamine?

Group of answer choices

 

SSRIs

 

SNRIs

 

NDRIs

 

MAOIs

 

Question 161 pts

Question: Which type of receptor is directly linked to ion channels and opens in response to neurotransmitter binding?

Group of answer choices

 

G-protein-coupled receptor

 

Ionotropic receptor

 

Metabotropic receptor

 

Enzyme-linked receptor

 

Question 171 pts

Question: Which type of receptor operates through the fastest mechanism of action?

Group of answer choices

 

Ionotropic receptors

 

Metabotropic receptors

 

Nuclear receptors

 

Tyrosine kinase receptors

 

Question 181 pts

Question: Which part of the brain is primarily responsible for motor control and coordination?

Group of answer choices

 

Cerebellum

 

Basal ganglia

 

Brainstem

 

Limbic system

 

Question 191 pts

Question: Which neurotransmitter is synthesized from tryptophan?

Group of answer choices

 

Dopamine

 

Norepinephrine

 

Serotonin

 

Acetylcholine

 

Question 201 pts

Question: The enzyme catechol-O-methyltransferase (COMT) is involved in the metabolism of which neurotransmitter?

Group of answer choices

 

Serotonin

 

Dopamine

 

Acetylcholine

 

Glutamate

 

Question 211 pts

Question: What is the role of monoamine oxidase in the synaptic cleft?

Group of answer choices

 

Synthesizes neurotransmitters

 

Degrades neurotransmitters

 

Recycles neurotransmitters

 

Transports neurotransmitters

 

Question 221 pts

Question: Which of the following neurotransmitters is primarily inhibitory in the central nervous system?

Group of answer choices

 

Glutamate

 

GABA

 

Dopamine

 

Acetylcholine

 

Question 231 pts

Question: Which of the following best describes the process of neurotransmitter release from the presynaptic neuron?

Group of answer choices

 

Exocytosis

 

Endocytosis

 

Diffusion

 

Active transport

 

Question 241 pts

Question: Which lobe of the brain is primarily involved in executive functions such as planning, decision-making, and impulse control?

Group of answer choices

 

Temporal lobe

 

Parietal lobe

 

Frontal lobe

 

Occipital lobe

 

Question 251 pts

Question: Which of the following is NOT a method of terminating neurotransmitter action?

Group of answer choices

 

Reuptake

 

Enzymatic degradation

 

Diffusion

 

Ionization

 

Question 261 pts

Question: Which neurotransmitter is involved in the cholinergic system and associated with learning and memory?

Group of answer choices

 

Dopamine

 

Serotonin

 

Acetylcholine

 

Norepinephrine

 

Question 271 pts

Question: Which ion is primarily responsible for initiating neurotransmitter release in synaptic vesicles?

Group of answer choices

 

Sodium (Na+)

 

Potassium (K+)

 

Calcium (Ca2+)

 

Chloride (Cl-)

 

Question 281 pts

Question: Which structure in the brain acts as a relay station for sensory information?

Group of answer choices

 

Hypothalamus

 

Amygdala

 

Hippocampus

 

Thalamus

 

Question 291 pts

Question: Which neurotransmitter is primarily associated with the reward system in the brain?

Group of answer choices

 

Dopamine

 

Acetylcholine

 

Norepinephrine

 

Serotonin

 

Question 301 pts

Question: Which part of the brain is primarily responsible for regulating autonomic functions such as heart rate and respiration?

Group of answer choices

 

Cerebellum

 

Hypothalamus

 

Medulla oblongata

 

Thalamus