color blindness can result from the loss of specific types of cons or it can occur in individuals having fewer cones of a given type.an individual has 50% lesss than the normal number of green cone photoreceptors in his retina how would this affect his vision

Q: Which abnormality of the eye is correctly matched?a. cataracts—cloudy corneasb. glaucoma—intraocular…

A: Cataract: A cataract is a nude region in the eye lens that induces vision decrease. Sometimes…

Q: The inner ear is responsible for both hearing and balance. One of the diseases affecting the inner…

A: Ear is structure or sense organ in our body which helps us to hear the sounds from our surrounding…

Q: What is shape of lens during near vision and distinct vision.

A: The biconvex transparent structure in the eye is the lens. It facilitates the refraction of light to…

Q: Match the lesion to the result A. Left optic tract B. Left optic nerve C. Left visual cortex…

A: The optic tract is the visual system part of the brain. It is optic nerve continuation and relays…

Q: Why is it easier to see images at night using peripheral, rather than the central, vision? a. Cones…

A: It is easier to see images at night using peripheral rather than central vision because at the edges…

Q: Visual System Matching protects and shapes the eyeball; provides a sturdy anchoring site for…

A: In human anatomy, the visual system comprises the eyes, lateral geniculate nucleus and some parts of…

Q: In a short essay (100–150 words), describe three ways in which the structure of the lens of the…

A: The eye is the central organ for vision. It is made up of 3 layers- choroid, sclera and retina. The…

Q: Stereocilia in contact with the basilar membrane bend back and forth when the cochlear fluid hits…

A: Stereocilia are actin-based protrusions on auditory and vestibular sensory cells that are required…

Q: xplain the process of phototransduction and signal transmission in the retina.  Be sure to include…

A: Phototransduction is the process by which light is converted into electrical signals . It takes…

Q: Cone pigments detect different wavelengths of light due toa. their location in the retina.b. the…

A: Answer is a.)  their location in the retina.

Q: Which of the following statements is correct A. The innermost layer of the retina contains mainly…

A: The retina is a light-sensitive layer that lines the eye's interior. It is made up of rods and…

Q: What are the major receptors responsible for these senses are the muscle-spindle stretch receptors…

A: Muscle spindles are skeletal muscle sensory receptors inside the body of a muscle that essentially…

Q: Hyperopia is a vision defect in which near object vision is clear and distant object vision is…

A: The eye can be defined as the organ which provides the sighting to the eyes. The eye consists of the…

Q: Cochlear implants are devices that can be used to restore hearing in some individuals. The implant…

A: When the person is not able to hear from one or both ears because of any conductive or…

Q: Visual acuity is greatest when a ganglion cell has ____________________(many or few) photoreceptors…

A: Visual acuity Visual acuity means the ability of your eyes to recognise the shapes and details of…

Q: The most finely detailed vision occurs when an image falls on a pit in the retina called the…

A: The eye is the central organ for vision. It is made up of 3 layers- choroid, sclera and retina. The…

Q: Which of the following will regulate the amount of light entering the eye?a. corneab. lensc. irisd.…

A: Introduction: The organ of sight in the human body is the eye. It has iris, cornea, pupil, sclera,…

Q: What is one reason the rod-cone break occurs?     The rods adapt more quickly.     The cones…

A: Visual adaptation denotes the retinal ability to adjust or adapt to different levels of light. Rods…

Q: In the diagram above, identify the part of the brain that is suppressed during blinking and the part…

A: The brain is the most complex organ of any organism. It controls the different processes going on in…

Q: Which of the following statements concerning photoreceptors is not correct cones produce colored…

A: Introduction The retina is a light-sensitive layer of tissue at the rear of your eye that delivers…

Q: We have three types of cones in the retina. Explain how we can see a large range of colors with only…

A: Cone cells are the photo receptors found in the retina of the eye which are meant for color vision…

Q: Why does your pupil constrict in the pupillary light reflex? O prevent damage to photoreceptor cells…

A: Pupil is an aperture ( hole) present in the center of the iris of the eye which allows light to fall…

Q: Microstimulation of area MT in humans would most likely influence visual processing of     a.…

A: Microstimulation is a technique for researching the neurological underpinnings of perception. The…

Q: Define Retinal Disparity- The difference between our 2 retinas.

A: Retina  Retina is the screen of the eye on which image is formed.

Q: At each level of the retina-geniculate-striate system, receptive fields in the foveal area are ___…

A: Answer-  The receptive fields in the fovea region is larger.

Q: In vision,   The sympathetic system stimulates the ciliary muscle to contract resulting in decreased…

A: The ability to detect the light patterns from the external environment and interpreting these…

Q: correct about the visual system? A.Input from the left eye is processed exclusively in the right V1…

A: V1 is found in the medial occipital lobe of the brain, in the Calcarine sulcus (near the back of the…

Q: Describe how the pupil reacts to the following changes in conditions: (a) Sudden increase in…

A: The eye comprises the cornea, anterior and posterior chambers, pupil, sclera, lens, aqueous humor,…

Q: The primary receiving area for vision is the _______.     thalamus     eye     occipital lobe…

A: The primary area for receiving vision is the eye. Therefore, option 2 is correct.

Q: Explain why the condition represented in Figure causes loss of vision in the center of the field of…

A: Eye is an external organ meant for vision and photoreception. In humans there is pair of eyes. Optic…

Q: The Ishihara test is used to test for color blindness visual acuity astigmatism depth perception

A: Eyes are the sensory organs. It is used to visualise the objects.

Q: Hair cells of the cristae are stimulated by :-a- bending of their stereocilia toward any directionb-…

A: Ears are the chief organs involved in haring and maintaining balance. Outer ear, middle ear, and…

Q: Hyperopia is a condition in which the eye cannot view close objects clearly. Many newborns have…

A: Lens, is a nearly transparent biconvex structure which is suspended behind the iris of the eye. The…

Q: Most animals lack cones in their retinas.  How, then, do such animals view the visual world?

A: Usually light passes through multiple layers of cells in the retina before striking the…

Q: Rhodopsin contains: opsin and retinal vitamin A and ATP red, blue and green pigments light waves The…

A:

Q: Color vision Multiple Choice depends on the amount of available rhodopsin. is the interaction…

A: The retina is a layer that is transparent in nature. It is a light-sensing tissue in the back of the…

Q: What is the problem in someone with far-sightedness (hyperopia)? The eyeball is too long, causing…

A: In hypermetropia, a person cannot be able to see a nearby object but see far objects clearly.

Q: D. Photoreceptors and the Retina. The following features are associated with the inner layer of the…

A: Following blanks has been filled with suitable options.

Q: Which of the following is/are commonalities between hearing and equilibrium?   Group of answer…

A: The ear is the organ of both hearing and equilibrium. Hearing is the transduction of sound waves…

Q: T c) When the muscles connected to the crystalline lens relax, the focal length is 9.0000 cm. With…

A: Human Eye -- Human eye behaves like a single lens with an adjustable focal length  which forms an…

Q: A patient comes into the ER complaining of loss of vision. When tested, he seems to be missing…

A: Damage to the optic chiasm can results in visual field loss. The outside bits of the visual field…

Q: What is the neurotransmitter that is released from photoreceptors onto bipolar neurons?

A: Neurotransmitter - Neurotransmitters are a kind of chemical messengers that transfers the message…

Q: In the sensory pathway for taste The second order neurons go to the limbic system Taste…

A: The tongue contains small bumps called papillae within or near which taste buds are situated. In the…

Q: The part of the eye, that constricts upon light entry to control intensity is controlled by Select…

A: The part of the eye , that constricts upon light entry to control intensity is controlled by pupil .