Example Questions for Lab Exam IV
... On a diagram of a cross-section of the spinal cord, identify the lateral horn of the gray matter On a diagram of a cross-section of the spinal cord, identify the lateral columns. At what point in the spinal cord does the cauda equina begin? What type of tracts are found in the anterior column of whi ...
... On a diagram of a cross-section of the spinal cord, identify the lateral horn of the gray matter On a diagram of a cross-section of the spinal cord, identify the lateral columns. At what point in the spinal cord does the cauda equina begin? What type of tracts are found in the anterior column of whi ...
bio4161
... d. midbrain alone 17. The primary auditory cortex is located in the __________ lobe. a. prefrontal b. frontal c. temporal d. parietal 18. The spinal cord has gray matter on the __________, white matter on the __________, and a __________ motor root. a. outside | inside | dorsal b. inside | outside | ...
... d. midbrain alone 17. The primary auditory cortex is located in the __________ lobe. a. prefrontal b. frontal c. temporal d. parietal 18. The spinal cord has gray matter on the __________, white matter on the __________, and a __________ motor root. a. outside | inside | dorsal b. inside | outside | ...
Nervous System 11-16
... _____ 5. Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles _____ 6. Nervous system subdivision that is composed of the brain and spinal cord Neurons 2. Using key choices, select the terms identified in the following descriptions by inserting the app ...
... _____ 5. Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles _____ 6. Nervous system subdivision that is composed of the brain and spinal cord Neurons 2. Using key choices, select the terms identified in the following descriptions by inserting the app ...
Nervous System 11-16
... _____ 12. Contain receptors for the sense of equilibrium _____ 13. Transmits the vibrations from the stirrup to the fluid in the inner ear ...
... _____ 12. Contain receptors for the sense of equilibrium _____ 13. Transmits the vibrations from the stirrup to the fluid in the inner ear ...
Nervous System 11-16
... _____ 5. Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles _____ 6. Nervous system subdivision that is composed of the brain and spinal cord Neurons 2. Using key choices, select the terms identified in the following descriptions by inserting the app ...
... _____ 5. Subdivision of the PNS that controls voluntary activities such as the activation of skeletal muscles _____ 6. Nervous system subdivision that is composed of the brain and spinal cord Neurons 2. Using key choices, select the terms identified in the following descriptions by inserting the app ...
The Nervous System Student Notes Nervous System: The nervous
... C. The nervous system also allows you to react to a _________________. 1. A stimulus - ________________________________________________________________ 2. Example: _________________________________________________________________ D. Your reactions are _____________________ 1. Automatic means that yo ...
... C. The nervous system also allows you to react to a _________________. 1. A stimulus - ________________________________________________________________ 2. Example: _________________________________________________________________ D. Your reactions are _____________________ 1. Automatic means that yo ...
CNS
... • The central canal contains cerebrospinal fluid. • Portions of sensory and motor neurons reside in the gray matter as do interneurons. The posterior root of a spinal nerve enters here and the anterior root (containing motor fibers) exits the gray matter. • Spinal nerves are created by the joining o ...
... • The central canal contains cerebrospinal fluid. • Portions of sensory and motor neurons reside in the gray matter as do interneurons. The posterior root of a spinal nerve enters here and the anterior root (containing motor fibers) exits the gray matter. • Spinal nerves are created by the joining o ...
Vestibulospinal Network
... neurons in the lateral and inferior vestibular nuclei and projects to all levels of the ipsilateral spinal cord. This projection is topographically organized. Cells in anterorostral areas of the lateral nucleus project to the cervical cord, whereas cells in posterocaudal regions project to the lumbo ...
... neurons in the lateral and inferior vestibular nuclei and projects to all levels of the ipsilateral spinal cord. This projection is topographically organized. Cells in anterorostral areas of the lateral nucleus project to the cervical cord, whereas cells in posterocaudal regions project to the lumbo ...
Nervous system
... In somatic , the cell bodies of the motor neurons are inside the CNS, and their axons (in spinal nerves) extend all the way to the skeletal muscle. ...
... In somatic , the cell bodies of the motor neurons are inside the CNS, and their axons (in spinal nerves) extend all the way to the skeletal muscle. ...
The Nervous System
... Sensory Neurons/Afferent – transmits impulses to the spinal cord and brain from all parts of the body. Motor Neurons/Efferent – Transmits impulses in the opposite direction – away from the brain and spinal cord. Do not conduct impulses to all parts of the body, but only to two kind of tissue – muscl ...
... Sensory Neurons/Afferent – transmits impulses to the spinal cord and brain from all parts of the body. Motor Neurons/Efferent – Transmits impulses in the opposite direction – away from the brain and spinal cord. Do not conduct impulses to all parts of the body, but only to two kind of tissue – muscl ...
CN 1 Olfactory Nerve Smell CN2 Optic Nerve Sight CN3 Oculomotor
... have a relatively high concentration of potassium (K) inside the cell, still inside the cell is negative relative to the outside. 2 things contribute most to that: Contributes most to intracellular negativity: 1. Proteins that are non diffuse-able anions (A-)!!!!! 2. Sodium Potassium Pumps: because ...
... have a relatively high concentration of potassium (K) inside the cell, still inside the cell is negative relative to the outside. 2 things contribute most to that: Contributes most to intracellular negativity: 1. Proteins that are non diffuse-able anions (A-)!!!!! 2. Sodium Potassium Pumps: because ...
Anatomy of a Neuron
... and functional. Then there are the dendrites, which are a branched part of a neuron that receives impulses and conducts them toward the cell body. Thirdly, there is the axon, which is the part of the neuron that emerges from the cell body and travels for a distance where it transmits impulses to gla ...
... and functional. Then there are the dendrites, which are a branched part of a neuron that receives impulses and conducts them toward the cell body. Thirdly, there is the axon, which is the part of the neuron that emerges from the cell body and travels for a distance where it transmits impulses to gla ...
Chapter 1
... nervous SYSTEM • Motor neurons that operate the skeletal muscles – – Neurons that move the body – Typically refer to voluntary muscles rather than smooth muscle movement • Sensory neurons – bring information into the central nervous system from the body and the outside world. – Includes all senses ...
... nervous SYSTEM • Motor neurons that operate the skeletal muscles – – Neurons that move the body – Typically refer to voluntary muscles rather than smooth muscle movement • Sensory neurons – bring information into the central nervous system from the body and the outside world. – Includes all senses ...
1. True or False: Our hearing system blends the frequencies of
... 9. The sensory fibers that respond to stimuli that damage tissue and can cause pain are called ________________________. 10. Airborne odor molecules, called _____________, are detected by specialized sensory neurons located in a small patch of mucus membrane lining the roof of the nose. 11. List th ...
... 9. The sensory fibers that respond to stimuli that damage tissue and can cause pain are called ________________________. 10. Airborne odor molecules, called _____________, are detected by specialized sensory neurons located in a small patch of mucus membrane lining the roof of the nose. 11. List th ...
Nervous System Assignment Section 8.1 1. The 3 specific functions
... 9. What are the three types of neurons and what are their functions? Sensory – carry sensory information from receptors to CNS Motor – carry impulses from CNS to muscles, glands Interneurons (association neurons) – form pathways in CNS 10. What are neurotransmitters? Chemical messengers used in the ...
... 9. What are the three types of neurons and what are their functions? Sensory – carry sensory information from receptors to CNS Motor – carry impulses from CNS to muscles, glands Interneurons (association neurons) – form pathways in CNS 10. What are neurotransmitters? Chemical messengers used in the ...
AP Bio Ch 49 Reading Guide
... A reflex arc is illustrated and explained in Figure 49.3. It is important for you to understand this pathway, so take some time with the figure below. Label the following: stimulus, receptors (sensors), sensory neuron, interneuron, spinal cord, gray matter, white matter, motor neuron, effector (musc ...
... A reflex arc is illustrated and explained in Figure 49.3. It is important for you to understand this pathway, so take some time with the figure below. Label the following: stimulus, receptors (sensors), sensory neuron, interneuron, spinal cord, gray matter, white matter, motor neuron, effector (musc ...
Nervous System Anatomy
... cerebrum and pons • contains fibers that transmit sensory impulses from the spinal cord to the thalamus and motor impulses from the cerebral cortex back to the spinal cord • also involved with sight and hearing ...
... cerebrum and pons • contains fibers that transmit sensory impulses from the spinal cord to the thalamus and motor impulses from the cerebral cortex back to the spinal cord • also involved with sight and hearing ...
Slide ()
... A. Coronal section of the vertebral canal from the posterior view. B. Cross-section through the back showing spinal roots, nerves, and rami. Spinal nerves branch into a posterior ramus (mixed), which transports sensory neurons from the skin of the back to the spinal cord and motor neurons from the s ...
... A. Coronal section of the vertebral canal from the posterior view. B. Cross-section through the back showing spinal roots, nerves, and rami. Spinal nerves branch into a posterior ramus (mixed), which transports sensory neurons from the skin of the back to the spinal cord and motor neurons from the s ...
01. INTRODUCTION OF N.S(Dr.Jamila)
... Connect sensory and motor neurons. Their cell bodies are always Located in the CNS. ...
... Connect sensory and motor neurons. Their cell bodies are always Located in the CNS. ...
Human Anatomy Nervous System
... III Oculomotor nerve – motor fibers to eye muscles IV Trochlear – motor fiber to eye muscles V Trigeminal nerve – sensory for the face; motor fibers to chewing muscles VI Abducens nerve – motor fibers to eye muscles VII Facial nerve – sensory for taste; motor fibers to the face VIII Vestibulocochlea ...
... III Oculomotor nerve – motor fibers to eye muscles IV Trochlear – motor fiber to eye muscles V Trigeminal nerve – sensory for the face; motor fibers to chewing muscles VI Abducens nerve – motor fibers to eye muscles VII Facial nerve – sensory for taste; motor fibers to the face VIII Vestibulocochlea ...
Chapter 12 Nervous Tissue
... Second-order neurons conducts impulses from spinal cord or brainstem to thalamus--cross over to opposite side before reaching thalamus Third-order neuron conducts impulses from thalamus to primary somatosensory cortex (postcentral gyrus of parietal lobe) ...
... Second-order neurons conducts impulses from spinal cord or brainstem to thalamus--cross over to opposite side before reaching thalamus Third-order neuron conducts impulses from thalamus to primary somatosensory cortex (postcentral gyrus of parietal lobe) ...
Nervous System
... rami communicantes) arise from lateral column of spinal cord, emerge through ventral rami and connected to the ganglia of sympathetic chain. • 3- From the ganglia postganglionic fibres (nonmedullated-grey rami communicantes) run for some distancebefore reaching the organ of supply. ...
... rami communicantes) arise from lateral column of spinal cord, emerge through ventral rami and connected to the ganglia of sympathetic chain. • 3- From the ganglia postganglionic fibres (nonmedullated-grey rami communicantes) run for some distancebefore reaching the organ of supply. ...
Nervous system
The nervous system is the part of an animal's body that coordinates its voluntary and involuntary actions and transmits signals to and from different parts of its body. Nervous tissue first arose in wormlike organisms about 550 to 600 million years ago. In vertebrate species it consists of two main parts, the central nervous system (CNS) and the peripheral nervous system (PNS). The CNS contains the brain and spinal cord. The PNS consists mainly of nerves, which are enclosed bundles of the long fibers or axons, that connect the CNS to every other part of the body. Nerves that transmit signals from the brain are called motor or efferent nerves, while those nerves that transmit information from the body to the CNS are called sensory or afferent. Most nerves serve both functions and are called mixed nerves. The PNS is divided into a) somatic and b) autonomic nervous system, and c) the enteric nervous system. Somatic nerves mediate voluntary movement. The autonomic nervous system is further subdivided into the sympathetic and the parasympathetic nervous systems. The sympathetic nervous system is activated in cases of emergencies to mobilize energy, while the parasympathetic nervous system is activated when organisms are in a relaxed state. The enteric nervous system functions to control the gastrointestinal system. Both autonomic and enteric nervous systems function involuntarily. Nerves that exit from the cranium are called cranial nerves while those exiting from the spinal cord are called spinal nerves.At the cellular level, the nervous system is defined by the presence of a special type of cell, called the neuron, also known as a ""nerve cell"". Neurons have special structures that allow them to send signals rapidly and precisely to other cells. They send these signals in the form of electrochemical waves traveling along thin fibers called axons, which cause chemicals called neurotransmitters to be released at junctions called synapses. A cell that receives a synaptic signal from a neuron may be excited, inhibited, or otherwise modulated. The connections between neurons can form neural circuits and also neural networks that generate an organism's perception of the world and determine its behavior. Along with neurons, the nervous system contains other specialized cells called glial cells (or simply glia), which provide structural and metabolic support.Nervous systems are found in most multicellular animals, but vary greatly in complexity. The only multicellular animals that have no nervous system at all are sponges, placozoans, and mesozoans, which have very simple body plans. The nervous systems of the radially symmetric organisms ctenophores (comb jellies) and cnidarians (which include anemones, hydras, corals and jellyfish) consist of a diffuse nerve net. All other animal species, with the exception of a few types of worm, have a nervous system containing a brain, a central cord (or two cords running in parallel), and nerves radiating from the brain and central cord. The size of the nervous system ranges from a few hundred cells in the simplest worms, to around 100 billion cells in humans.The central nervous system functions to send signals from one cell to others, or from one part of the body to others and to receive feedback. Malfunction of the nervous system can occur as a result of genetic defects, physical damage due to trauma or toxicity, infection or simply of ageing. The medical specialty of neurology studies disorders of the nervous system and looks for interventions that can prevent or treat them. In the peripheral nervous system, the most common problem is the failure of nerve conduction, which can be due to different causes including diabetic neuropathy and demyelinating disorders such as multiple sclerosis and amyotrophic lateral sclerosis.Neuroscience is the field of science that focuses on the study of the nervous system.