Your sister sits beside you as you watch your friend surf, but she cannot see him because she is blind. Whatanatomical structures may not be functioning correctly and thus causing her blindness?

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 the visual outcome if the specific extrinsic eye muscle involved in convergence reflex did…

A: The extrinsic eye muscles control the movement of the eye. There are 6 types of extrinsic muscles…

Q: Part of vestibular apparatus responsible for maintaining balance during angular acceleration while…

A: The central system and the peripheral system forms the vestibular system. The central system is…

Q: What additional sensory information would you expect a person with impairment of organs of…

A: Proprioception refers to the ability of a person to recognize the body parts, location of head and…

Q: The vestibular apparatus is located completely inside the head. If you close your eyes, how can you…

A: Vestibular apparatus is present in the inner ear. It consists of two structures of the bony…

Q: Why do you suppose that you are not normally aware of the blind spot in each eye?

A: Humans have a well-developed visual system comprising of eyes and brain. The last part of the eye…

Q: What happens at the optic chiasma? What is the consequence of this?

A: Optic chiasma are locations within the brain where optic nerve fibers from either eye cross over…

Q: Maria, a 59-year-old woman, had been feeling that she couldn’t hear anything clearly. When she went…

A: The ability to hear is brought about by a series of events that convert sound waves to…

Q: Which sensory receptors permit you to perform actions such as finding your way into bed in the dark?

A: Sensory receptors detect the changes that occur in the body as well as in the exterior environment.…

Q: Since the visual images areprojected in an invertedmanner on the retina whydon't we see things…

A: Human eye consist of biconvex lens which help to form a real and inverted image of an object. Light…

Q: You are firing your laser cannon from your position on the bridge of your starship. You see the…

A: Sense organs are those which contains sensory neurons. These organs perceive the stimulus and…

Q: As a result of pressure on her spinal cord, Jill cannot feel touch or pressure on her legs. What…

A: Fasciculus gracilis pair of nerve tracts of the posterior funiculus of the spinal cord and it…

Q: Why is the eye "strained" more upon viewing nearby objects then far objects?

A: An eye is the vital organ needed for sight which reacts to light and allows vision. It has…

Q: Despite the presence of the blind spot, you do not consciously experience a “hole” in your vision.…

A: The blind spot is where the blood vessels and optic nerve leaves the eyeball. The optic nerve and…

Q: What is the purpose of a sensory receptor?

A: Sensory Receptors are special types of cells, that detect changes in the environment. There are…

Q: Are the blind spots of your right and left eyes at the same distance?

A: The retina of human eyes are made up of light sensitive cells through which the messages are send to…

Q: Light rays from an object in the temporal half of the visual field strike which half of the retina?

A: The visual field may be defined as the total area of vision of our eyes. When our eyes are focused…

Q: What is the difference between an audiogram and tympanogram?

A: Ans. Both audiogram and tympanogram are tests of the human ear used to know the functioning of the…

Q: While a student is examining the anterior half of the eye in cadaver lab, the cadaver lens falls…

A: The lens is made up transparent  proteins called crystallins . The average concentration of lens…

Q: ) Structures essential to the dectection of linear acceleration include the _____. A) tympanic…

A: Otoliths are essential for detection of linear acceleration. Hence option (c) is right option

Q: Distinguish between a sensation and a perception.

A: Sensation and perception both are fundamental psychological processes of acquiring information.…

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: As a person ages, their ability to focus on near objects(accommodation) changes. If a person is…

A: Myopia Myopia is also known as nearsightedness. This is an eye condition where a person has a poor…

Q: How would the otolith organs of an astronaut respond to zero gravity? Would the astronaut still have…

A: Otolith organs: this the word comes from the Greek langauge means ear stones. Saccule is the main…

Q: During a recent Alaskan cruise, Max and his grandfather were staringat a glacier some distance from…

A: So as described in the question ,  At first , both Max and his grandfather were able to see the…

Q: What distinguishes the human visual system's temporal characteristics from its optical…

A: Introduction Vision is one of the five senses in human beings. Photoreceptors are responsible for…

Q: When you stimulate conduction deafness, why can you still hear the tuning fork when it is on your…

A: The deafness due to conductive loss is analyzed through the Rinne’s test. It works on the principle…

Q: In farsightedness, also known as _______________, the focal point is _____________ the retina. a.…

A: The principle of the nervous framework verifies that it is a complex part of a creature that…

Q: Paralysis of a medial rectus muscle would affect (a) accommodation,(b) refraction, (c) depth…

A: There are six extrinsic eye muscles that help to keep the eyeball in shape. They also regulate the…

Q: What is the specialized receptor essential to hearing

A: Hearing, also known as auditory perception refers to the ability to perceive sound by detecting the…

Q: Would you have expected to have found more tactile corpuscles and Merkel discs on the palm or on the…

A: Mechanoreceptors are receptors that detect and relay somatosensory information.  There are four…

Q: Why is the sense of gravity considered a sense of equilibrium?

A: In the human ear, sound enters the outer ear and vibrates the three bones of the middle ear (hammer,…

Q: Which of the following are paired incorrectly?

A: Cochlea or cochlear duct is a spiral organ present in the inner ear of a human. Semicircular duct or…

Q: fibers project from the optic chiasm to the midbrain?

A: The optic chiasm is an X-shaped structure formed by the crossing of the optic nerves in the brain.…

Q: What is the difference between dorsal view and ventral view?

A: Anatomical terminologies refer to the precise location of the tissue or organ in the body. The…

Q: What is Somatic Sensation?

A: Introduction: Sensations arising from the skin like pressure, touching, cold, pain, and warmth. and…

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: Would you have expected to have found more tactile corpuscies and Merkel discs on the palrm or on…

A: Mechanoreceptors are receptors that detect and relay somatosensory information.  There are four…

Q: Why do rods provide greater visual sensitivity while cones provide better acuity?

A: Rods are cylindrical in shape and thin. Rods are more in number (120 million ). Cones are conical in…

Q: When the eyes are open, what sensory organs provide information needed to maintain equilibrium?

A: Eyes are the organ involved in vision. These detect light and changes it into electrochemical…