| 1. | A | Major refractory surface |
| 2. | B | Accommodation |
| 3. | C | Regulates diameter of pupil |
| 4. | D | Point of highest visual acuity |
| 1. | the choroid is avascular |
| 2. | lens is held in place by ligaments attached to the ciliary body |
| 3. | photopic vision and colour perception is a function of rods |
| 4. | aqueous humor has a gel-like consistency |
| 1. | Medulla oblongata | Gastric secretions |
| 2. | Hypothalamus | Control of body temperature |
| 3. | Limbic system | Behaviour |
| 4. | Association areas | Purely sensory areas in the cerebrum |
| 1. | is relatively more permeable to potassium ions than to sodium ions during its resting stage |
| 2. | is relatively more permeable to sodium ions than to potassium ions during its resting stage |
| 3. | is equally permeable to potassium ions and to sodium ions during its resting stage |
| 4. | is impermeable to potassium ions and to sodium ions during its resting stage |
| 1. | Tectorial membrane separates the scala vestibuli and scala media |
| 2. | Reissner’s membrane separates the scala media and the scala tympani |
| 3. | Basilar membrane lies over the hair cells of the organ of Corti |
| 4. | Tympanic membrane separates the external ear and the middle ear |