tailieunhanh - Lecture Medical assisting: Administrative and clinical competencies (2/e) - Chapter 33

Chapter 33 - Special senses. The special senses are smell, taste, vision, hearing, and equilibrium. They are called special senses because their sensory receptors are located within relatively large sensory organs in the head - the nose, tongue, eyes, and ears. This chapter introduces the structure and function of these sense organs and focuses on common diseases of the eyes and ears. | Chapter 33 PowerPoint® to accompany Second Edition Ramutkowski Booth Pugh Thompson Whicker Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Medical Assisting Chapter 33 Objectives (cont.) 33-1 Spell, define, and correctly use the Key Terms in this chapter. 33-2 Describe the anatomy of the nose and the function of each part. 33-3 Describe how smell sensations are created and interpreted. 33-4 Describe the anatomy of the tongue and the function of each part. The Special Senses System 33-5 Describe how taste sensations are created and interpreted. 33-6 Name the four primary taste sensations. 33-7 Describe the anatomy of the eye and the function of each part. 33-8 Describe various disorders of the eye. 33-9 Trace the path of a visual image through the eye and to the brain for interpretation Objectives (cont.) The Special Senses System 33-10 Describe the anatomy of the ear and the function of each part. 33-11 Describe various | Chapter 33 PowerPoint® to accompany Second Edition Ramutkowski Booth Pugh Thompson Whicker Copyright © The McGraw-Hill Companies, Inc. Permission required for reproduction or display. Medical Assisting Chapter 33 Objectives (cont.) 33-1 Spell, define, and correctly use the Key Terms in this chapter. 33-2 Describe the anatomy of the nose and the function of each part. 33-3 Describe how smell sensations are created and interpreted. 33-4 Describe the anatomy of the tongue and the function of each part. The Special Senses System 33-5 Describe how taste sensations are created and interpreted. 33-6 Name the four primary taste sensations. 33-7 Describe the anatomy of the eye and the function of each part. 33-8 Describe various disorders of the eye. 33-9 Trace the path of a visual image through the eye and to the brain for interpretation Objectives (cont.) The Special Senses System 33-10 Describe the anatomy of the ear and the function of each part. 33-11 Describe various disorders of the ear. 33-12 Explain how sounds travel through the ear and are interpreted in the brain. 33-13 Explain the role of the ear in equilibrium. Objectives (cont.) The Special Senses System Introduction Special senses that have sensory receptors located within relatively large, sensory organs in the head; Nose – smell Tongue – taste Eyes – vision Ears – hearing and equilibrium Nose Smell receptors Olfactory receptors Chemoreceptors Respond to changes in chemical concentrations Chemicals must be dissolved in the mucus of the nose to activate smell receptors Smell Sensation send the information along olfactory bulbs and tracts different areas of the cerebrum cerebrum interprets the information as a particular type of smell Smell receptors are activated, they send their information to the olfactory nerves Smell undergoes sensory adaptation Same chemical can only stimulate smell receptors for a limited amount of time Smell receptors no longer respond to the .