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2.1.3
| Question | Answer |
|---|---|
| Otoscope | A tool used to look inside the ear. |
| Structures of the Ear | Ear canal, eardrum, ossicles, cochlea, semicircular canals, and Eustachian tube. |
| Ear Canal | The tube that carries sound to the eardrum. |
| Tympanic Membrane | The eardrum; vibrates when sound hits it. |
| Ossicles | Three tiny bones in the middle ear that amplify sound. |
| Eustachian Tube | Tube that equalizes pressure between the middle ear and throat. |
| Cochlea | Spiral-shaped inner ear structure that converts sound into nerve signals. |
| Semicircular Canals | Structures in the inner ear that control balance. |
| Acute Otitis Media | A middle ear infection. |
| Ophthalmoscope | A tool used to examine the inside of the eye. |
| Visual Acuity | Sharpness or clarity of vision. |
| Conjunctivitis | Pink eye; inflammation of the eye’s outer membrane. |
| Redness | – Increased blood flow to an area. |
| Swelling | Fluid buildup in tissues. |
| Heat | Warmth from increased blood flow. |
| Pain | Discomfort from irritation or pressure. |
| Tonsils | Lymph tissue that helps fight infection. |
| Uvula | Small tissue hanging at the back of the throat. |
| Pharynx | The throat; passage for air and food. |
| Tongue | Muscle that helps with taste, speech, and swallowing. |
| Asymmetry | One half of the mole doesn’t match the other. |
| Border | Edges are uneven or irregular. |
| Color | Uneven or multiple colors. |
| Diameter | Larger than 6 mm (about a pencil eraser). |
| Evolving | Changes in size, shape, or color. |
| Malignant | Cancerous and can spread. |
| Melanoma | A serious type of skin cancer. |
| Benign | Non-cancerous; does not spread. |
| Auscultation | Listening to body sounds (usually with a stethoscope). |
| Intercostal Space | The space between the ribs. |
| Lub-Dub | Normal heart sounds. |
| Aortic Valve | Controls blood flow from left ventricle to aorta. |
| Pulmonic Valve | Between right ventricle and pulmonary artery. |
| Tricuspid Valve | Between right atrium and right ventricle. |
| Mitral Valve | Between left atrium and left ventricle. |
| Aorta | Main artery carrying blood from heart to body. |
| Atria | Upper heart chambers. |
| Ventricle(s) | Lower heart chambers. |
| Wheezing | High-pitched whistling sound. |
| Crackles | Popping sounds from fluid in lungs. |
| Rhonchi | Low, rattling sound from mucus. |
| Stridor | Harsh, high sound from airway blockage. |
| Trachea | Windpipe. |
| Larynx | Voice box |
| Lungs | Organs for breathing. |
| Bronchus/Bronchi | Main air tubes into lungs. |
| Bronchioles | Smaller airways. |
| Alveoli | Tiny air sacs where oxygen and carbon dioxide are exchanged. |
| Pleura | Membrane covering the lungs. |
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