Physio Session 2

A 25 years old lady is able to do needle work without any difficulty in following the printed pattern. The parasympathetic stimulation of her ciliary muscle may facilitate this activity by causing the following effect on her lens:

• Decreased refractive power but unchanged diameter

• Increased thickness & decreased refractive power

• Increased thickness & refractive power

• Increased refractive power but unchanged diameter

• No change in diameter as well as refractory power

Which characteristic of vision can still at times be perceived on damage to the Primary visual cortex?

• Conscious vision

• Loss of vision of one half of visual field

• Loss of Color vision

• Normal vision due to compensation by secondary visual cortex

• Movement in visual scene

A young boy presented in emergency of University Teaching Hospital with lesion of central portion of retina. Which retinal Cells are most likely to be damaged?

• Amacrine

• Bipolar

• Cones

• Ganglionic

• Rods

On Weber test, louder than normal sound is appreciated in right ear in a volunteer. Give the most likely diagnosis:

• Conduction deafness in left ear

• Conduction deafness in right ear

• Nerve deafness in left ear

On Rinne test, vibration is heard in air after bone conduction is over in a volunteer’s right ear. Give the most likely diagnosis.

• Conduction deafness in left ear

• Conduction deafness in right ear

• Partial Nerve deafness in left ear

• Partial Nerve deafness in right ear