Anatomy test 3

The minimum stimulus needed to cause muscle contraction is called the ____________.
Threshold
The absence or inhibiton of acetycholinesterase at a synapse would lead to _________.
Tetanus
Describe the resting membrane potential (RMP)
The intracellular environment is negatively charged
What is considered a region of the spinal cord?
Pelvic
Loss of muscle mass from lack of activity is called ___________.
Arachnoid mater and pia mater
Epidural anesthesia is introduced to the epidural space between the ______ to block pain signals during pregnancy
Dural seth and dura mater
The anterior rami of the spinal nerves form nerve plexuses in all regions except the _______ region.
Thoracic
Which one of the following best describes the order of a somatic reflex?
Somatic receptor- afferent nerve fiver-inerneuron- efferent nerve fiber- skeletal muscle
The synaptic knob releases acetylcholine into the synaptic cleft, which is received by receptors on the motor end plate. Which structure does this describe?
The neuromusculat junction of a skeletal muscle
Some _____ neurons are specialized to detect stimuli, whereas __________ neurons send signals the effectors of the nervous system.
Afferent; efferent
The _____________ division carry signals to the smooth muscle in the large intestine.
visceral motor
The ___________ division tenda to prepare the body for action.
sympathetic
What is another name for the autonomic nervous system?
visceral motor divison
Nerves are ____________ of the nervous system.
Organs
About 90% of the neurons in the nervous system are _____ neurons.
association
What is the most common type of a neuron?
Multipolar
Most metabolic and regulatory functions in a neuron happen where?
The soma
Which glial cell is found wrapped around nerve fibers in the PNS?
schwann cellls
What is the primary site on a neuron for receiving signals from other neurons?
The Dendrites
Which cells form myelin in the spinal cord
Oligodendrocytes
Conduction of a nerve impulse would be the fastest in _________
A large diameter myelinated fiber
In order to regenerate, a peripheral nerve fiber must have ___________.
The soma and the least some naurilemma intact
in a neuron, the opening of sodium gates typically leads to ________.
Depolarization of the plasma membrane
Local potentials are ________, whereas action potentials are _____.
graded; all or none
While a neuron membrane is depolarizing its ________.
Sodium gate are fully open
Haven’t Found A Paper?

Let us create the best one for you! What is your topic?

By clicking "SEND", you agree to our terms of service and privacy policy. We'll occasionally send you account related and promo emails.

Eric from Graduateway Hi there, would you like to get an essay? What is your topic? Let me help you

logo

Haven't found the Essay You Want?

Get your custom essay sample

For Only $13.90/page