It has been suggested that interaction of the toxin fragment with the receptor facilitates proteolytic removal of toxin a helix, which triggers toxin oligomerization that leads to 

TLS Online TPP Program

#Question id: 23793

#Unit 7. System Physiology – Animal

The responses of the bipolar cells are 

TLS Online TPP Program

#Question id: 23794

#Unit 7. System Physiology – Animal

The responses of amacrine cells produce 

TLS Online TPP Program

#Question id: 23795

#Unit 7. System Physiology – Animal

Correctly match the responses with given cells according their functions;

Cells	Responses
1.Rods, cones and horizontal cells	p. hyperpolarizing potential
2.Bipolar cells	q. depolarizing potential
3.Amacrine cells	r. Either hyperpolarizing or depolarizing potential

TLS Online TPP Program

#Question id: 24453

#Unit 7. System Physiology – Animal

A visual exam in an 80-year-old man shows he has a reduced ability to see objects in the upper and lower quadrants of the left visual fields of both eyes but some vision remains in the central regions of the visual field. The diagnosis is

TLS Online TPP Program

#Question id: 24454

#Unit 7. System Physiology – Animal

A 45-year-old female who had never needed to wear glasses experienced difficulty reading a menu in a dimly-lit restaurant. She then recalled that as of late she needed to have the newspaper closer to her eyes in order to read it. A friend recommended she purchase reading glasses. Visual accommodation involves

TLS Online TPP Program

#Question id: 24455

#Unit 7. System Physiology – Animal

A 28-year-old male with severe myopia made an appointment to see his ophthalmologist when he began to notice flashing lights and floaters in his visual fi eld. He was diagnosed with a retinal detachment. The retina