D. keratometry. Answer Key: B Question 7 of 20 1.0 Points Which is a structure divides the external ear from the middle ear and can be visualized during otoscopy? A. cochlea B. tympanic membrane C. stapes D. vestibule Answer Key: B Question 8 of 20 1.0 Points The second bone of the middle ear is the: A. incus. B.
More information about scoring 1. Match the structure with its function. Option Your Answer 1.1 Correct occipital lobe C. vision 1.2 Correct pineal gland B. secretes melatonin; involved in the body clock 1.3 Correct medulla oblongata D. contains vital nuclei for ventilation, blood pressure, and heart activity 1.4 Correct postcentral gyrus F. primary somatic sensory cortex 1.5 Correct parietal lobe E. body sense, perception, and speech 1.6 Correct vagus nerve A. controls organs; main parasympathetic nerve 2. Match the structure with its function. Option Your Answer 2.1 Correct thalamus B. processing information going to cerebrum 2.2 Correct cerebellum D. motor coordination, balance 2.3 Correct corticospinal tract C. carries direct orders from cerebrum to ventral horn motor
Data from the right visual field (now on the left half of the mind) travelsin the left optic tract. Data from the left visual field goes in the right optic tract 4. Optic Radiation- The optic radiations, one on each side of the brain, carry's information 2. 5. lateral geniculate- is of aessential transfer community for brain damage, disorder,the retina What is an example the visual deficit associated with visual data accepted from or disease affecting The LGN pathway? Provide a description of where the damage may occur and of the eye.
Unit 7 Assignment 2: The Effects of Selected Drugs and Diseases on the Central Nervous System 1. The CNS otherwise known as the Central Nervous System is comprised of the brain which is continuous with the spinal cord. Since the CNS is made up of the brain and spinal cord it is protected by the hard bony skull and vertebral column. (Pages 418- 420) 2. The BBB also known as the Blood Brain Barrier which in conjunction with the Cerebrospinal Fluid or CSF is what nourishes and protects the cells of the CNS.
SNS-motor portion under voluntary control ANS-motor portion under involuntary control 6 what are the functions of the dendrites and the cell body of a neuron? -dendrites collect signals the cell body of a neuron lacks centrioles 7 which neuroglia are CNS and PNS ? functions? - astrocyes- CNS-maintain chemical environment , support and nourish oligodendrocyes-produce myelin sheath around adjacent azons microglia-migrating phagocytes ependymal cells-form and circulate cerebrospinal fluid PNS Satellite cells-support cells within PNS ganglia Schwann cells- produce myelin sheath around axons 8. function of myelin? Which neuroglia produce myelin?
Containing axons from the ganglion cells that are in the retina of each eye, but only one passes on the information for the visual field d. Geniculate nuclei – Or Lateral geniculate nuclei (LGN)has six layers which gathers input the contraor ipsilateral eye. Four layers that (dorsal) that have small neurons that sustain discharge patterns, and are sensitive to color. Two other layers are ventral layers which have large neurons known for the transient discharge patterns and high contrast grain. e. Primary visual cortex – Is responsible for processing information from what is input from the eyes 2. What is an example of a visual deficit associated with brain damage, disorder, or disease affecting the visual pathway?
The tunica vasculosa of the eye includes all of the following except: (a) the cornea; (b) the iris; (c) the choroid; (d) chromatophores; (e) the ciliary body. 11. Outer hair cells of the cochlea have their microvilli embedded in: (a) the vestibular membrane; (b) the tectorial membrane; (c) the basilar membrane; (d) the cupula; (e) the vitreous body. 12. ___ cells of the retina are inhibited by glutamate in the dark, but excited in the light when glutamate secretion stops.
Phineas Gage Paper Dana Greer February 18, 2012 PSY/360 Jason Lambert Many professionals have try to explain what parts of the brain are connected to cognitive functions. The brains rolling cognitive functions are very complex. Because of Phineas gages accident researchers were able to look deeper into cognitive functions. Cognition is considered the act or process of knowing that includes understanding, reasoning, recollection, awareness, language functions, and perception (Waldstein & Elias, 2003). There are four main sections of the brain with these four sections to each control different functions.
When I first saw the brain the first thing I noticed was the deep longitudinal fissure that divided the cerebrum in two halves: the left hemisphere and the right hemispheres. Also the surface of the brain was covered with large folds of tissue called gyri. The grooves between the gyri are sulci. The small rounded structure at the back of the brain, I noticed, was the cerebellum. Later, when I turned the brain over, the most prominent structure visible was the optical chiasma, where two optic nerves cross over each other.
Nerve coverings—fibrous connective tissue * Endoneurium—surrounds individual fibers within a nerve * Perineurium—surrounds a group (fascicle) of nerve fibers * Epineurium—surrounds the entire nervea 4) Define the following parts of the brain & spinal cord. Your definition should include where the specific part is found, structure, function and any other information you feel is pertinent. 1) Brainstem- Consists of three parts of brain; named in ascending order: the medulla oblongata, pons, and midbrain- Structure—white matter with bits of gray matter scattered through it-Function—gray matter in the brainstem functions as reflex centers Heartbeat, respirations, and blood vessel diameter -Sensory tracts in the brainstem conduct impulses to the higher parts of the brain- Motor tracts conduct from the higher parts of the brain to the spinal cord 2) Diencephalon- Hypothalamus, a) Posterior pituitary gland, pituitary stalk, & gray matter b) Major center for controlling the ANS c) Functions of most internal