Chapter 11 - Matching

Axon terminals release neurotransmitters. A) Tigger zone B) Secretory zone C) Receptive zone D) Conducting region E) Secretory region

B) Secretory zone

The interior of the cell becomes less negative due to an influx of sodium ions. A) Absolute refractory period B) Depolarization

B) Depolarization

Involved in activating fibers of a skeletal muscle such as the biceps muscle. A) Parallel after-discharge circuit B) Diverging circuit C) Converging circuit D) Reverbeating circuit

B) Diverging circuit

One incoming fiber triggers responses in ever-increasing numbers farther and father along the circuit A) Parallel after-discharge circuit B) Diverging circuit C) Converging circuit D) Reverbeating circuit

B) Diverging circuit

The specific period during which potassium ions diffuse out of the neuron due to a change in membrane permeability. A) Relative Refractory Period B) Repolarization C) Action potential

B) Repolarization

Mediates pain. A) Norepinephrine B) Substance P C) Histamine D) Glycine E) Endorphins

B) Substance P

An isufficient stimulus. A) Threshold stimulus B) Subthreshold stimulus C) Temporal summation D) Spatial summation

B) Subthreshold stimulus

Area where nerve impulse is generated. A) Tigger zone B) Secretory zone C) Receptive zone D) Conducting region E) Secretory region

trigger zone

The neuron not respond to a second stimulus, no matter how strong. A) Absolute refractory period B) Depolarization

A) Absolute refractory period

"Feel-good" neurotransmitter. A) Norepinephrine B) Substance P C) Histamine D) Glycine E) Endorphins

A) Norepinephrine

May be involved in complex, exacting types of mental processing. A) Parallel after-discharge circuit B) Diverging circuit C) Converging circuit D) Reverbeating circuit

A) Parallel after-discharge circuit

An exceptionally strong stimulus can trigger a response. A) Relative Refractory Period B) Repolarization C) Action potential

A) Relative refractory period

Any stimulus below this intensity will result in no response in a neuron. A) Threshold stimulus B) Subthreshold stimulus C) Temporal summation D) Spatial summation

A) Threshold stimulus

increases acid secretion in the stomach; blocked by cimetidine A) Norepinephrine B) Substance P C) Histamine D) Glycine E) Endorphins

C) Histamine

Plasma membrane exhibits chemically gated ion channels. A) Tigger zone B) Secretory zone C) Receptive zone D) Conducting region E) Secretory region

C) Receptive zone

Receives stimuli. A) Tigger zone B) Secretory zone C) Receptive zone D) Conducting region E) Secretory region

C) Receptive zone

Numerous nerve impulses arriving at a synapse at closely timed intervals exert a cumulative effect. A) Threshold stimulus B) Subthreshold stimulus C) Temporal summation D) Spatial summation

C) Temporal summation

Also called a nerve impulse transmitted by axons. A) Relative Refractory Period B) Repolarization C) Action potential

C) action potential

Plasma membrane exhibits voltage-gated Na+ and K+ channels. A) Tigger zone B) Secretory zone C) Receptive zone D) Conducting region E) Secretory region

D) Conducting region

Principal inhibitory neurotransmitter of the spinal cord. A) Norepinephrine B) Substance P C) Histamine D) Glycine E) Endorphins

D) Glycine

Different types of sensory input can have the same ultimate effect. A) Parallel after-discharge circuit B) Diverging circuit C) Converging circuit D) Reverbeating circuit

D) Reverbeating circuit

Involved in control of rhythmic activities such as breathing. A) Parallel after-discharge circuit B) Diverging circuit C) Converging circuit D) Reverbeating circuit

D) Reverbeating circuit

Stimulation of a postsynaptic neuron by many terminals at the same time. A) Threshold stimulus B) Subthreshold stimulus C) Temporal summation D) Spatial summation

D) Spatial summation

Natural opiates that inhibit pain, effect mimicked by morphine. A) Norepinephrine B) Substance P C) Histamine D) Glycine E) Endorphins

E) Endorphins

Plasma membrane exhibits voltage-gated Ca2+ channels. A) Tigger zone B) Secretory zone C) Receptive zone D) Conducting region E) Secretory region

E) Secretory region