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Cricks Ch 9 Hangman
| Question | Answer |
|---|---|
| The nervous system that contain the brain and spinal cord is the ___ NS. | Central |
| The nervous system that contains all nerves other than brain and spinal cord is the ___. | Peripheral |
| The nervous system that serves the body wall of the human is the ___ NS. | somatic |
| A mass of nerve bodies that lies outside of the CNS | ganglia |
| Nerves that leave the spine and innervate regions of the body are the ___ nerves. If you sever these, you lose control of part of the body. | spinal |
| The ___ nerves that leave the base of the brain and innervate the skull | cranial |
| The nervous system that is the "brain of the gut" It senses and controls the activities of the digestive tract. | enteric |
| The type of receptors that monitor things are called ___ receptors. These can be inside or outside the body. | sensory |
| Cells that form tactile disks in the skin are called ___ cells. | Merkel |
| A class of nerves that carry info away from the brain are the ___ nerves. | efferent |
| A class of nerves that carry info toward the brain are the ___ nerves. | afferent |
| Neurons that help sort and store information for the brain are called _____. | interneuron |
| The ___ nerves make muscles or glands move into action. | motor |
| A place where two nerves meet, but do not touch each other is called the ____. | junction |
| The type of receptors that monitor things | sensory |
| Cells that form tactile disks in the skin | positive |
| neuron | |
| A class of organs that do not require conscious control to make them work | involuntary |
| A class of neurons that carry info toward the brain | afferent |
| Neurons that help sort and store information for the brain | interneuron |
| Nerves that make muscles or glands move into action | motor |
| A place where two nerves come into contact | junction |
| The name for the gap between two nerves | synapse |
| The type of feedback loop formed when ion channels open, causing even MORE to be opened | positive |
| A class of organs that move under the conscious control of the brain | voluntary |
| A class of organs that do not require conscious control to make them work | involuntary |
| Which part of a neuron is likely to contain neurotransmitters? | axon bulbs or axon terminals |
| Which part of a neuron is likely to contain neurotransmitter receptor sites? | dendrites |
| The ___ ___ connects the brain and spinal nerves. | Spinal Cord |
| Based on function, nervous systems are divided into 3 parts, they are ... | sensory- integrative - motor |
| The PNS can be divided into 3 divisions, they are... | somatic - enteric - autonomic |
| The nervous system that monitors and communicates about sensations in the head, body wall, limbs and senses is called the ___ | somatic NS |
| The nervous system that uses efferent nerves to control the skeletal muscles is the ___ | somatic NS |
| The autonomic nervous system motor neurons travel to places where what 3 things are found? | cardiac muscle, smooth muscle and glands |
| Cells that support, nourish and protect neurons are called ___ cells | neuroglial |
| The part of the nerve cells that contains organelles is the ___ ___. | cell body |
| The ___ are cells that make myelin sheaths for the nerves of the central NS. | oligodentrites |
| Which part of the neuron is responsible for relaying impulses to the next neuron? | axon |
| Which part of the neuron is responsible for receiving impulses from the previous neuron? | dendrite |
| When the dendrite is activated, a nerve impulse arises from the __ ___ of the cell. | axon hillock |
| When the ___ ___ are activated, they release neurotransmitters into the synapse between neurons. | axon terminal |
| What give white matter its color? | myelin |
| In the PNS, ___ ___ make the myelin sheaths for the neurons. | Schwan cells |
| In ___ conduction, the Na and K channels open in a "domino effect" down the cell membrane of the neuron. | continuous |
| In ___ conduction, Na and K open at the Node of Ranvier- then the impulse travels rapidly along the myelin sheath | saltitory |