Ability to change shape of lens
Irregularity of corena or lens
Area of sharpest vision
Loss of lens elasticity due to age
Sharpness of vision
List the general senses
Pain Touch Pressure Temperature
List the special senses
Hearing Sight Taste Equilibrium Smell
What test was used in lab to detect color-blindness?
Ishiharais Test (book with colored numbers in circles)
What test was used in lab to determine visual acuity?
Snellen Eye Chart (letter/shape chart read at 20 feet, 20/20)
Name two tests that can be used for testing hearing
Name two types of deafness and state the causes of each. Which type can be improved with a hearing aid?
1. Conduction - helped with hearing aid
2. Sensory - something wrong with nerves, can only be helped with cochlear implant
What two cranial nerves receive sensory information from taste buds on the tongue?
VII - Facial IX - Glossopharyngeal
Roughly sketch the areas for the four basic taste sensations on the tongue.
Bitter - at back (toward throat) and center of tongue Sweet - at front (toward teeth) and center of tongue Sour - Sides, toward back of tongue Salt - Sides, toward front of tongue
When whole blood is centrifuged, it separates into two main fractions which are ______ and ______.
formed elements and plasma
Name three types of blood cells.
Erythrocytes (RBC) Leukocytes (WBC) Thrombocytes (platelets)
What is the hematocrit and how is it measured?
Packed red cell volume (height of PRBC compared to entire column). Traditionally measured in a capillary tube after centrifugation. Now usually auto-measured with machine.
If given one of the four blood groups (A, B, AB or O) be able to state the antigen found on the red blood cell and the antibodies found in the plasma.
A = antigen is A, antibody is anti-B
B = antigen is B, antibody is anti-A
AB = antigens are A & B, no antibodies
O = no antigens on cells, antibodies A & B in plasma
If given a list of structures, be able to trace a drop of blood through the heart by numbering the structures in the correct order.
1. vena cava (from the body)
2. right atrium
3. tricuspid valve
4. right ventricle
5. pulmonary semilunar valve
6. pulmonary artery
8. pulmonary vein
9. left atrium
10. bicuspid valve
11. left ventricle
12. aorta semilunar valve
13. aorta (to the body)
Name the three layers of tissue that make up the wall of the heart.
Epicardium (exterior layer) Myocardium (middle layer) Endocardium (inner layer)
Name several structures in the fetal circulation that are no longer needed after birth
rapid eye movement after spinning around
-auditory canal -cochlea -eardrum -ear osicles (malleus, incus, stapes) -semicircular canals -auditory tube