Eye Anatomy & Physioogy
Describe the Corena.
Transparent window light enters the eye through.
What is the function of the internal Ear?
Hearing and Equilibrium
What is the master endocrine gland?
Pituitary Gland
Opposite of what one sees, from the patient perspective.
Contrast Systole and Diastole.
Systole: Contracting
Diastole: Resting
Where is the Retina located?
The Retina lines the posterior half of the the eye.
Where are Auditory Sensory Receptor Cells (aka: hair cells) located in your ears?
Cochlea
What are Erythrocytes, Leukocytes, and Thrombocytes?
Erythrocytes: red blood cells
Leukocytes: white blood cells
Thrombocytes:platelets (clotting cells)
What are the four chambers of the heart
Right Atrium, Left Atrium, Right Ventricle, Left Ventricle
What are Heart Murmurs?
Abnormal or unusual heart sounds
What does Strabismus (crossed eyes) result from?
Unequal pulls by the external eye muscle.
What is the small, air-filled mucosa lind area within the Temperak Bone?
Tympanic Cavity
What are two examples of things blood transports?
Nutrients, Hormones, Wastes, Body Heat
What are the three layers of the heart?
Epicardium, Myocardium, Endocardium
What are the Lub and Dup sounds showing?
Lub: closing of AV valves
Dup: closing of SL valves
What is Astigmatism?
Unequal curvature in different parts of the Cornea, making images blurry because light isn't focused on Retina.
1. Tympanum
2. Malleus
3. Incus
4. Stapes
5. Oval Window
What is blood and what does it consist of?
connective tissue with 45% formed elements and 55% plasma
What is the difference between Antriventricular valves and Semilunar valves?
AV: movement through heart between Atrium and Ventricle
SL: movement out of heart between Ventricles and Aorta/Pulmonary Arteries
Put the blood vessel types in order from leaving the heart to returning to the heart.
1. Arteries
2. Arterioles
3. Capillaries
4. Venules
5. Veins
What is the Optic Disc and what does it result in?
Where the Retina meets the Optic nerve and result in a blind spot in our vision
State the two functions of Cerumen.
1. To keep foreign bodies out of ear
2. Repel insects
How are RBC not using up any of the Oxygen they transport?
Where does each heart chamber receive blood from?
RA: Superior Vena Cava
RV: RA
LA: Left & Right Pulmonary Veins
LV: LA
How many periods does the cardiac cycle have and what are they?
5
1. Atrial Distole
2. Atrial Systole
3. Isovolumetric Contraction
4. Ventricular Systole
5. Isovolumetric Relaxation