______ is a collection of soma located in the CNS, while ______ is a PNS soma cluster.

Answer Choices:

Ganglion – nucleus, Spinal cord – brain, Nerve – tract, Nucleus – ganglion

Answer: Nucleus – ganglion

Which of the following form the myelin sheath in the PNS?

Answer Choices:

Dendrites, Interneurons, Schwann cells, Axon terminals

Answer: Schwann cells

Nervous system divisions include:

Answer Choices:

Visceral sensory division that is divided into sympathetic and parasympathetic nervous systems, Visceral sensory system that carries information from the CNS to internal organs, Somatic motor system that carries information from the skin to the CNS

Answer: All options are correct.

CNS is defined as:

Answer Choices:

Neurons inside bone, Only the brain, Nervous tissue outside bone

Answer: None of the options is correct.

Which list includes the steps of nerve regeneration in the correct order?

Answer Choices:

Various options detailing steps of nerve regeneration.

Answer: Synaptic communication established, regeneration tube forms, soma enlarges and organelles migrate to injury site, tissue distal to injury dies, soma enlarges and organelles migrate to injury site, regeneration tube forms, synaptic communication established.

______ is the tissue of perineurium, while ______ is the tissue of endoneurium.

Answer Choices:

Loose areolar connective tissue, adipose tissue, Adipose tissue, epithelial tissue, Dense irregular connective tissue, dense regular connective tissue, Dense irregular connective tissue, loose areolar connective tissue

Answer: Dense irregular connective tissue, loose areolar connective tissue

What ion is required for neurotransmitter exocytosis?

Answer Choices:

Chloride, Calcium, Sodium, Potassium

Answer: Calcium

______ is when the membrane potential is more positive than its resting state.

Answer Choices:

Depolarization, Repolarization, Hyperpolarization, Hyperexcitation

Answer: Depolarization

Which list correctly pairs the neuron region and its general function?

Answer Choices:

Soma: integrates inputs, Axon: stores neurotransmitter in vesicles, Dendrite: stores neurotransmitter in vesicles, Axon: receives input, All options are correct

Answer: All options are correct.

Which signaling molecule is most likely responsible for an increase in digestive activity?

Answer Choices:

Norepinephrine, Epinephrine, No option is correct., Adrenaline, Acetylcholine

Answer: Acetylcholine

Which type of drug would be an antidote to atropine poisoning?

Answer Choices:

Alpha1-blocker, Nicotinic agonist, All options are correct., Muscarinic agonist, Anticholinergic

Answer: Muscarinic agonist

Which of these physiological changes would not be considered part of the sympathetic fight-or-flight response?

Answer Choices:

Increased heart rate, Increased stomach motility, No option is correct., Increased sweating, Dilated pupils

Answer: Increased stomach motility

Which type of drug could be used to treat asthma by opening airways wider?

Answer Choices:

Sympathomimetic drug, Anticholinergic drug, No option is correct., Sympathomimetic drug, Parasympathomimetic drug

Answer: Sympathomimetic drug

Which type of fiber could be considered the longest?

Answer Choices:

Parasympathetic preganglionic, Sympathetic preganglionic, No option is correct., Sympathetic postganglionic, Parasympathetic postganglionic

Answer: Parasympathetic preganglionic

ANS is considered:

Answer Choices:

Part of the peripheral nervous system, An involuntary nervous system, All options are correct., A motor subdivision

Answer: All options are correct.

What does SNS mean? (Based on associated module; don’t rely on google)

Answer Choices:

Standard nervous scenario, Sympathetic neural structure, Sympathetic nervous system, Sagittal nervous system

Answer: Sympathetic nervous system

An organ can be controlled by all of the following ways except:

Answer Choices:

Innervated by the ParaNS and SNS in a cooperative way, No option is correct., Antagonistically innervated by both the ParaNS and SNS., All options are correct., Antagonistically controlled by only one of the two divisions.

Answer: All options are correct.

______ are innervated only by SNS, which uses ______ to communicate.

Answer Choices:

No option is correct., Salivary glands, vagus nerve, Blood vessels, norepinephrine neurotransmitter, Sweat glands, norepinephrine neurotransmitter, Adrenal glands, one postganglionic neuron

Answer: Sweat glands, norepinephrine neurotransmitter

Features of the SNS contributing to a prolonged whole body response include all of the following except that:

Answer Choices:

NE can diffuse into the blood stream where it is not broken down and it can act as a signaling molecule., Information travels through the vagus nerve, which targets multiple organs all at the same time., All options contribute to SNS prolonged whole body response., Preganglionic neurons can diverge and contact many postganglionic cells., Preganglionic fibers directly innervate the adrenal gland, which releases epinephrine into the blood.

Answer: Information travels through the vagus nerve, which targets multiple organs all at the same time.