Spinal plexuses - Study guides, Class notes & Summaries

What is suggested when touch and position sense are normal or only slightly impaired, and there is a disproportionate decrease in, or loss of, discriminative sensations? - ANSWER suggests disease of the sensory cortex. Stereognosis, number identification, and two-point discrimination are impaired in? - ANSWER posterior column disease. What does primary headaches include? - ANSWER migraine, tension, cluster, and chronic daily headaches Where does secondary headaches arise? - ANSWER secon...

NU 545 Unit 2 Questions With Complete Solutions. Review the anatomy of the brain. Which portion is responsible for keeping you awake, controlling thought, speech, emotions and behavior, maintaining balance and posture? - ANSWER Broca Area in the inferior frontal lobe (Brodmann areas 44, 45) is an important center for speech and language processing. This area, rostral to the inferior edge of the premotor area (Brodmann area 6) o the inferior frontal gyrus, is usually most important in the ...

BIO 210 Lecture Exam #4 Questions and Answers 100% Pass A posterior root contains A) sensory axons only B) motor axons only C) a mix of sensory and motor axons D) autonomic nervous system axons - Answer- A) sensory axons only The white matter of the spinal cord is surrounded by gray matter. A) True B) False - Answer- B) False If a patient experiences numbness in the boundaries of a dermatome, it is suggestive of damage to A) the somatosensory cortex B) the thalamus C) one of the sp...

what is the nervous system? correct answers coordinated voluntary and involuntary actions and transmits signals to and from different parts of its body what is afferent (sensory)? correct answers - carry information about temperature, pressure, light and other stimuli to the CNS - specialized receptor converts stimulus to electrical energy what is efferent (motor and autonomic)? correct answers - motor: control skeletal muscles - autonomic: influences many internal organs (sympathetic an...

2 major divisions of the nervous system Central (CNS) Peripheral (PNS) 2 divisions of the CNS Brain and spinal cord 2 divisions of the PNS Autonomic and somatic Nerves attached directly to the brain cranial Nerves attached directly to the spinal cord spinal 2 types of nerves found in both of the divisions of the PNS Afferent and efferent Are autonomic nerves afferent or efferent? Efferent 2 major divisions of the autonomic nervous system ...

what are the 3 essential roles of the nervous system - correct answer 1. sensing 2. integrating 3. responding what are the 5 types of glial cells - correct answer 1. oligodendrocytes (myelin sheath) 2. ependymal cells (line spinal cord) 3. microglia (phagocytosis) 4. astrocytes (blood-brain barrier, nourish neurons) 5. schwann cells (myelin sheath around nerves in PNS) what are the 3 classes...

BIOL 235 12 Exam 2023 Questions and Answers All Correct Organization of nervous tissue - ANSWER Smallest yet most complex of the 11 body systems. Intricate network of billions of neutrons and even more neuroglia organized into two main subdivisions: CNS and PNS. Central nervous system - ANSWER - brain: located in skill and contains 85 billion neutrons. - spinal cord: connected to the brain through foramen magnum of occipital bone. Encircled by bones of vertebral column...

A posterior root contains A) sensory axons only B) motor axons only C) a mix of sensory and motor axons D) autonomic nervous system axons - A) sensory axons only The white matter of the spinal cord is surrounded by gray matter. A) True B) False - B) False If a patient experiences numbness in the boundaries of a dermatome, it is suggestive of damage to A) the somatosensory cortex B) the thalamus C) one of the spinal funiculi D) the anterior horn of grey matter in the spinal...

nervous system Ans the network of nerve cells and fibers that transmits nerve impulses between parts of the body. responsible for regulating and coordinating all body systems central nervous system Ans brain and spinal cord peripheral nervous system Ans the sensory and motor neurons that connect the central nervous system to the rest of the body; consists of 12 pairs of cranial nerves; 31 spinal nerves; divided into somatic nervous system and autonomic nervous system afferent nerves...

Which letter indicates the primary visual cortex, which receives information from neurons in the retina of the eye? - ANSWER-E Which letter indicates a choroid plexus, which produces cerebrospinal fluid (CSF) in all four ventricles of the brain? - ANSWER-C Which letter indicates the corpora quadrigemina, meaning "four bodies"? - ANSWER-D Which letter indicates the cranial nerve that has motor fibers that innervate muscles of facial expression? - ANSWER-D Spinal cord tracts provide ...