A patient instilled a few drops of eye medication into his eyes containing Ephedrine by mistake. Which one of the following effect is most likely to occur?         a. Miosis       b. Mydriasis       c. Loss of corneal reflex       d. Loss of light reflex

Q: The shape of the external ear is due toa. skeletal muscle.b. elastic cartilage.c. fibrocartilage.d.…

A: A biological cell is a hub of metabolic activities. The group of biological cells that perform alike…

Q: A bar of light in a specific part of the retina, with a particular length and orientation, is the…

A: A bar of light in a specific part of the retina, with a particular length and orientation, is the…

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: Benign Paroxysmal Positional Vertigo is a disorder where some of the calcium carbonate crystals in…

A: A disease is a state of unhealthiness of the physical body, mind and social interaction. A disease…

Q: The dilated blood vessels seen in “bloodshot” eyes are vessels of:- a. the retina. b. the cornea. c.…

A: Blood vessel dilation: -  It is the widening of blood vessels, this occurs when arteries and veins…

Q: Arise from supportive cells of the brain called astrocytes ? Select one: a. Both B&C b. Astrocytoma…

A: In the central nervous system (brain and spine), astrocytes one of the categories of glial cells,…

Q: Regarding the eye's adaptation to darkness: a) then it happens faster than the eye's light…

A: The human eye is a sensory organ that responds to light and enables vision. Photoreceptive cells,…

Q: Are there differences between the effects of diabetes and hypertension on the retina??  Explain your…

A: Eyes are complex sense organs. they gather information from the environmental stimulus, and the…

Q: Why is it difficult to watch your own eyes move when looking in the mirror? a. The eye movements are…

A: Saccades are sudden, ballistic eye movements that alter the point of fixation suddenly. They vary in…

Q: Which eye infection will resolve on its own? A.Trachoma caused by Chlamydia trachomatis B.ophthalmia…

A: The correct answer is option D.Adenovirus is the most common cause of viral eye infection. It causes…

Q: A person with Brown Sequard at C6 would have the following problems…. a. Ipsilateral loss of pain…

A: A condition that permanently or temporarily affects the physical functions, mobility, dexterity, or…

Q: Binocular disparity is: Select one: a. corrected by surgery b. results from neural convergence c.…

A: Binocular disparity There is a slight difference in the retinal image in the right and left eye .…

Q: Night vision begins with stimulation of_______ . a. hair cells c. cone cells b. rod cells d.…

A: Night vision is responsibility of rod cells

Q: Name the eye defect occuring in old people whereby they are unable to see near objects.

A: Eye is the chief organ of the visual system. In most mammals they are paired structures and are oval…

Q: 44. The bones in the middle ear are the A. labyrinth, cerumen, and the ossicles. B. hammer, anvil,…

A: The ear can be divided into three different parts. The inner, middle and external ear/outer ear are…

Q: Which statement is accurate about the cochlear duct? a. It detects linear acceleration of the head…

A: Sensory organs act as the windows of the brain as they keep the brain aware of what is going on in…

Q: Yoshi has suffered minor damage to the bones in his left middle ear. What treatment, if any, might…

A: Hearing impairment is a word used to describe hearing problems. Noise, ageing, infection, and…

Q: Which of the following is TRUE about cone cells?    a. The three types of cones that humans have…

A: option a. is FALSE explanation :The three types of cones that humans have are called S-cones,…

Q: Blindsight is the condition in which someone with damage in the primary visual cortex reports that…

A: The phenomenon in which blind people who lost sight due to the damage/injury in the primary visual…

Q: If someone is born with dense cataracts on both eyes, and the cataracts are removed years later,…

A: The lens inside your eye has a clouding which is termed a cataract.Just behind the iris, the lens…

Q: Why is a retinal defect, such as retinitis pigmentosa, which causes tunnel vision, associated with…

A: Night blindness  Night blindness is the condition of eye in which a person is unable to get clear…

Q: If someone where has damaged their spinal cord only on the left side, which of the follwoing would…

A: spinal injury are those that ocuur to the spinal cord . the spinal cord injury leads to all sensory…

Q: Juliette lost her left thumb in an accident. Now, whenever she pushes her hair off her forehead, she…

A: The nervous system is one of the vital systems of a body. It is a system of nerves which carry…

Q: A - If only the first statement is correct. B - If only the second statement is correct. C - If…

A: Eye consists of various layers- the outer layer sclera, the middle layer, choroid and the innermost…

Q: What is the “retina” of the olfactory system?    a. The olfactory epithelium   b. The olfactory…

A: The olfactory system is a system that is responsible for the sense of smell in organisms. The…

Q: The cochlea is________   A. involved in the maintenance of body temperature.   B. part of the…

A: The human ear is the organ of hearing and equilibrium that detects and analyzes sound by…

Q: The receptors for sweet, bitter, and umami tastes all resemble which of these? A. Metabotropic…

A: BASIC INFORMATION NEURON  It is the longest cell inside the human body  It is found in the brain as…

Q: 1) The base plate of the stapes _____. A) transmits sound vibrations from the tympanic membrane to…

A: Stapes are the smallest bone present in the middle ear and are stirrup-shaped because of its…

Q: Which statement about retina is FALSE? a. The optic disc has no photoreceptors b. The ratio of…

A: Retina  It is also known as screen of eye. Retina is the place in eye where image is formed. It…

Q: a.Describe the pathway of nerve impulses from the ear to the brain. b.Describe the role the ear…

A: Introduction: Sensory nerve impulses are carried from the outer ear to the brain through a sensory…

Q: When you begin to move up or down in an elevator, you can still sense that you are moving even…

A: Sensory organs are the special unique organs which have sensory organs and help to gather…

Q: Write the letter of your choice based on the choices in the box below. A. if only the first…

A: The human eye is a hollow, spherical structure whose wall is composed of three coats. The outer…

Q: Lacrimal fluid performs all of the following functions except a. cleansing the eye surface. b.…

A: Answer: Introduction: The lacrimal glands are exocrine glands which secrete lacrimal fluid.

Q: Which of the following is accurate about the maculae of the vestibular apparatus? a. They detect…

A: Introduction: The vestibular system contains bony labyrinth which is a part of the inner ear and is…

Q: Write the letter of your choice based on the choices in the box below. A. if only the first…

A: All the nerves that arise at the central nervous system, together with aggregations of cell bodies…

Q: Horner syndrome is a condition where sympathetic innervation to one side of the head and neck is…

A: Horner syndrome is a rare medical condition occurring due to disruption of the sympathetic nerve…