FiltersDone

Question type

Essay

Multiple Choice

Short Answer

True False

Matching

Exam 9: Nervous System

Show Answer

Share

---

All types

Filters

Study FlashcardsPractice ExamLearn

Question 31

Multiple Choice

Review LaterAdd Note

Review Later

During an action potential,depolarization occurs as a result of

A) potassium ions diffusing to the outside of the cell membrane.
B) potassium ions diffusing to the inside of the cell membrane.
C) sodium ions diffusing to the outside of the cell membrane.
D) sodium ions diffusing to the inside of the cell membrane.
E) sodium and potassium ions not diffusing.

Correct Answer

verified

Show Answer

Question 32

Multiple Choice

Review LaterAdd Note

Review Later

Bundles of axons that carry impulses from the central nervous system to effectors are

A) sensory nerves.
B) motor nerves.
C) mixed nerves.
D) all of these.

Correct Answer

verified

Show Answer

Question 33

True/False

Review LaterAdd Note

The peripheral nervous system includes sensory and motor divisions.

If a neuron's membrane potential measures +25mV,the neuron is

A neuron may release more than one type of neurotransmitter.

The pressure of cerebrospinal fluid is usually measured by introducing a hollow needle between lumbar vertebrae into the

This part of the brain contains centers that coordinate voluntary muscle movement.

When a neuron increases its release of neurotransmitter in response to a nerve impulse,as a result of repeated stimulation,it is said to be

When an impulse jumps from node to node along a myelinated axon,the conduction is termed

The cells in the nervous system that fill spaces and give support to neurons are called _____________.

The difference in electrical charge between the inside and outside of a resting nerve cell membrane is called the resting membrane ______________.

The phrenic nerves arise from the

Neurotransmitters that move the post-synaptic membrane potential closer to threshold are

When you raise your hand to ask a question in class,your brain sends an impulse to your deltoid muscle by way of

Brain damage to the temporal lobe,where recent memory is processed,can result in the inability to form long-term memory.

Sympathetic tone is defined as ongoing stimulation of smooth muscles in the walls of blood vessels,which results in partial constriction.

The part of the brain that coordinates voluntary muscle movements is the

Cerebrospinal fluid is found in this location.

The interconnected fluid-filled cavities in the brain are called ______________.

Cranial nerves connect the brain only to head and neck regions;spinal nerves connect all regions below the neck.