A 50-year-old neuroanatomist and hat designer was involved in a serious collision with a large fish.When you examine them (the neuroanatomist, that is the fish was unharmed) you notice that whenyou lightly touch their left cornea, only their left eye blinks; when you touch their right cornea, againonly their left eye blinks. Damage in which of the following locations would best account for thesefindings?the right trigeminal ganglion, sparing all other systems.the right lateral corticospinal tract, sparing the facial sensory and motor nuclei.the vicinity of the right abducens nucleus, affecting the facial nerve.the right oculomotor nucleus, sparing the facial motor and sensory nuclei.the left lateral corticospinal tract, sparing the oculomotor nucleus and the trigeminal and facial sensory andmotor nuclei.

The abducens nucleus is located next to the fourth ventricle floor, at the inferior dorsal midline…

Answered: When you examine them (the…

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter6: The Peripheral Nervous System: Afferent Division; Special Senses

Section: Chapter Questions

Problem 6RE

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Strabismus (stra-biz′mu˘ s) is a condition in which one or both eyes deviatein a medial or lateral direction. In some cases, strabismus is caused by aweakness in either the medial or the lateral rectus muscle. If the lateralrectus of the right eye is weak, in which direction does the eye deviate?
Shandra is a 38-year-old Dentist Aide, who recently suffers with numbness in her hands and tingling in her toes. To her knowledge she has no medical conditions and never bothered to check. Six-months ago, she noticed that her vision is a bit blurred, sometimes she may have floating clouds in her vision that are not actually there which usually clear on its own. Shandra is five feet four inches and weighs 170 lbs, medium-frame built but an apple-shaped body-type. She is not physically active and seldom cooks during the working-week. Last Tuesday Shandra visited the doctor, she was ordered to return in two days to complete and OGT and a glycated haemoglobin test (GHT). (iv) What is the bodily system that is affected and could be affected if not resolved? (v) Additionally, a urine test was completed on the initial day of testing, the results all parameters in normal ranges as well as low levels of ketones, what does this indicate? (vi) What are other possible risk factors, signs and/or…
Cassey Madrid is a medical assistant at a medical office. He is testing visual acuity in patients for the first time and feels nervous about it. However, Cassey remembered when he did it in his clinical procedures class, so he takes a deep breath and calls the patient, Mr. Saleto. After identifying the patient and welcoming him in the room, Cassey explains the procedure to Mr. Saleto. 1.What should be the distance between Mr. Saleto and the Snellen chart? 2.What instructions can Casey give to Mr. Saleto if he uses glasses? 4.By using the Snellen chart, is Cassey testing distance or near visual acuity? 5.What does it mean if the result of the test is 20/60? 6.What are some nonverbal cues that may indicate that the patient is having difficulty reading the line to which Cassey is pointing Use APA format for citations or references.
Shandra is a 38-year-old Dentist Aide, who recently suffers with numbness in her hands and tingling in her toes. To her knowledge she has no medical conditions and never bothered to check. Six-months ago, she noticed that her vision is a bit blurred, sometimes she may have floating clouds in her vision that are not actually there which usually clear on its own. Shandra is five feet four inches and weighs 170 lbs, medium-frame built but an apple-shaped body-type. She is not physically active and seldom cooks during the working-week. Last Tuesday Shandra visited the doctor, she was ordered to return in two days to complete and OGT and a glycated haemoglobin test (GHT).Questions to be answered (i) Summarize the OGT and GHT process and discuss the physiological expectations of these test? (ii) What is the illness/disease that the doctor is trying to rule out? Be sure to classify and give physiological explanations. (iii) What are Shandra’s modifiable risk factors?
Accessory structures of the eye are those that are not directly related the sense of vision. They do not include : * Conjunctiva Cornea O Eyebrows O Eyelids is part of axial skeleton. Patella Skull Pelvic girdle O Shoulder girdle
Place the following neural structures in the correct order based on pupillary constriction as a result of light being shone in your eye. Pupillary smooth muscle contraction Optic nerve-cranial nerve Il oculomotor nerve-cranial nerve III Midbrain (superior colliculi) Light hits photoreceptor cells in the retina
Three patients have suffered destruction of different portions of their visual pathway. Patient 1 has lost the right optic tract, patient 2 has lost the nerve fibers that cross at the optic chiasm, and patient 3 has lost the left occipital lobe. Draw a picture of what each person would perceive through each eye when looking at a white wall.
Cassey Madrid is a medical assistant at a medical office. He is testing visual acuity in patients for the first time and feels nervous about it. However, Cassey remembered when he did it in his clinical procedures class, so he takes a deep breath and calls the patient, Mr. Saleto. After identifying the patient and welcoming him in the room, Cassey explains the procedure to Mr. Saleto. What should be the distance between Mr. Saleto and the Snellen chart? What instructions can Casey give to Mr. Saleto if he uses glasses? By using the Snellen chart, is Cassey testing distance or near visual acuity? What does it mean if the result of the test is 20/60? What are some nonverbal cues that may indicate that the patient is having difficulty reading the line to which Cassey is pointing?
The inner ear is responsible for both hearing and balance. One of the diseases affecting the inner ear is Meniere's disease. Affected individuals often experience vertigo, among other symptoms. Vertigo is a sensation that the surroundings are spinning or swaying in the absence of any body movement. Which of the following rows correctly identifies the affected structure and process in individuals experiencing vertigo? Select one: a. Structure Process Semicircular canals Gravitational equilibrium O b. Structure Process Organ of Corti Rotational equilibrium O c. Structure Process Organ of Corti Gravitational equilibrium d. Structure Process Semicircular canals Rotational equilibrium
George was under a lot of stress. His final semester examination was only 2 days away, and he was not prepared at all. To make matters worse, his right eyelid suddenly started twitching, and he couldn’t concentrate. Should George be worried about his eye? What is the reason behind this twitching?
Kenrick is a 45-year-old Teaching Aide, who recently suffers with numbness in his foot andtingling in his hands. To his knowledge he has no medical conditions and never bothered to check. Six-months ago, he noticed that his vision is a bit blurred, sometimes he may have floating clouds in his vision that are not actually there which usually clear on its own. Kenrick is four feet seven inches and weighs 200 lbs, medium-frame built but an apple-shaped body-type. He has a waist is 120 centimetres and a hip of 90 centimeters. He is not physically active and seldom cooks during the working-week. He enjoys red velvet chocolate-lemon frosted cake, ice-cream and fried foods. Every two days he binge-watches television shows and consume half a box of cereal, large order Chinese special and/or one 12-slice pizza. Last Tuesday Kenrick visited the doctor and was ordered to return in two days to complete and OGT and a glycated haemoglobin test (GHT). (vii) Calculate the macronutrient and hydration…
Kenrick is a 45-year-old Teaching Aide, who recently suffers with numbness in his foot andtingling in his hands. To his knowledge he has no medical conditions and never bothered to check. Six-months ago, he noticed that his vision is a bit blurred, sometimes he may have floating clouds in his vision that are not actually there which usually clear on its own. Kenrick is four feet seven inches and weighs 200 lbs, medium-frame built but an apple-shaped body-type. He has a waist is 120 centimetres and a hip of 90 centimeters. He is not physically active and seldom cooks during the working-week. He enjoys red velvet chocolate-lemon frosted cake, ice-cream and fried foods. Every two days he binge-watches television shows and consume half a box of cereal, large order Chinese special and/or one 12-slice pizza. Last Tuesday Kenrick visited the doctor and was ordered to return in two days to complete and OGT and a glycated haemoglobin test (GHT). Give five nutritional guidelines that Kenrick can…

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