Correct statements are a, b, c
Incorrect statement : d
Reason: Fovea centralis is a pit located at center of macula lutea of the eye. This pit Fovea mainly consists of cone cells only.
Identify the INCORRECT statement about the physical structure of the visual system: Incoming light passes through...
The Pathways of Light and Visual Information Select from the following terms to fill in the blanks in the passage below. Use each term once. bipolar cones cornea ganglion optic nerve lens rods retina transduce optic chiasm occipital pupil pattern photoreceptors Light first passes through the _____________, a transparent covering of the eye, then through the _____________, the opening in the iris. Then the light passes through the _____________, which changes shape to focus the light so that it properly...
Light first passes through the _____________, a transparent covering of the eye, then through the _____________, the opening in the iris. Then the light passes through the _____________, which changes shape to focus the light so that it properly hits the retina. The light travels through the vitreous humor of the eye and then strikes the _____________, layers of cells in the back of the eye. The deepest layer of the retina is made of ____________, of which there are...
5. Which statement about the readily releasable pool of synaptic vesicles in incorrect? A. Its vesicles are released rapidly upon stimulation B. Its vesicles are docked and primed for release awaiting stimulation C. It constitutes the majority of vesicles in the synaptic terminal D. It is replenished with vesicles from the recycling pool under physiological conditions 6. Which statement(s) about the fovea is CORRECT? A. The fovea is located in the macula and responsible for central vision B. The fovea...
9. What statement about the cornea is INCORRECT? A. It mediates the majority of light refraction B. It refracts less light than the lens does C. It can be re-shaped by LASIK D. It has a refractive power of about 42 diopters E. It is positioned anterior to the lens 10. When comparing rod photoreceptors to cone photoreceptors, which statement is INCORRECT? A. Cones are responsible for daylight vision, whereas rods mediate night-time vision B. Cones are much more sensitive...
help me Please QUESTION 1 -- A ray of light entering the eye will encounter the following structures in which order? conjunctiva - cornea - lens aqueous humor vitreous body - retina vitreous body retina - choroids aqueous humor lens conjunctiva aqueous humor vitreous body - lens - conjunctiva → choroids retina conjunctiva aqueous humor-lens vitreous body retina aqueous humor conjunctiva - lens vitreous body-retina - choroid cornea cornea - cornea cornea - QUESTION 2 An area of the retina...
REVIEW ACTIVITIES FOR EXERCISE 3.5 of these, there are this is also cell layer, then the Test Your knowledge 1. The photoreceptors responsible for color vision are the _different types 2. The region of the retina in which there are no photoreceptors is called the known as the 3. Retinene (retinaldehyde) is derived from which vitamin? 4. When light enters the retina, it first passes through the -cell layer, before reaching the photoreceptors. 5. The axons of cells gather to...
Q1) The potassium channel blocking venom of three species (a sea anemone, a snake and a scorpion) all contain a hydrophobic residue and a lysine that are close to each other in the final molecular structure, even though they occur at different places in the amino acid sequence of the molecule in each species. This is an example of: a) convergent evolution b) parallel development c) homology d) synapomorphy e) reversal Q2)In the eyes of vertebrates, including our own, the...
When light passes between media of different densities, it is bent or refracted. True False Flag this Question Question 2 3 pts Meniere’s disease is caused by an increase in the intraocular pressure. volume of endolymph. none of the above volume of blood. Flag this Question Question 3 3 pts An area of the retina that contains only cones, and is the site of sharpest vision, is the outer segment. inner segment. fovea. optic disc. Flag this Question Question 4...