Explain why one early symptom of vitamin A deficiency is impaired vision at night (often called night blindness).

Q: Why is colour blindness more prominent in males than females?

A: Introduction In this question we will discuss why colour blindness is more prominent in males than…

Q: explain why it is useful to have pain receptors?

A: Receptors are proteins present on the cell surface or inside the cells. There are basically four…

Q: Fill in the blank:  Olfactory sensations usually fade rapidly as a result of…

A: Special senses include specific sensitive receptors that are involved in providing detailed…

Q: Explain about the Treating Retinal Blindness ?

A: Retina is a tissue layer which is located at the back of the eye. This layer of tissue is light…

Q: Name the eye disorder in which image of the object is formed behind the retina.

A: Due to the change of the curvature of the eyeball, different types of eye diseases related to…

Q: Explain the pain pathway and how Morphine alters the conscious perception of pain.

A: Nociception is the process of noxious stimuli through the nervous system. Once pain is received in…

Q: Explain what causes glaucoma.

A: The optic nerve is situated in the back of the eye and It is also known as the second cranial nerve…

Q: Pathophysiology of Red-Green Color Blindness and explain.

A: Pathophysiology is the pathological and physiological processes associated with a disease or injury.…

Q: Describe the effect on vision of a tumor in the hypothalamus or pituitary gland that compresses the…

A: Visual information is passed from the axons of the ganglion cells to the brain through the optic…

Q: Define and describe decussation and indicate the first level within the Central Auditory Nervous…

A: Decussation is the crossing of the nerves. The word deca in Latin is the roman numeral for ten (X).…

Q: Distinguish how blindness can occur in maculardegeneration, glaucoma, and cataracts.

A: The eye is a special sensory organ that receives light from the environment and sends signals to the…

Q: Explain how the pineal gland can be sensitive to light, even though it is located deep within the…

A: The pineal gland is a small and oval gland that is present in the brain. It is sensitive to light…

Q: Explain the processes involved in olfactory adaptation.

A:

Q: Explain the mechanisms of pupil constriction andpupil dilation.

A: The eye is the sensory organ that helps in vision. It helps in visualizing objects, color, light…

Q: Explain why Ménière’s syndrome causes both hearing lossand vertigo.

A: Humans have five special senses namely vision, hearing, smell, taste, and touch. Hearing is made by…

Q: Which clinical condition has the classical symptoms of blue fingertips that later turn bright red?

A: KEY WORDS :- Numbness - When a extremity is deprived of blood circulation causing turn it into white…

Q: Describe the accommodation pupillary reflex.

A: Accommodation of the pupil size and shape of the lens in correspond to viewing the nearby objects…

Q: Explain the condition of retinal detachment ?

A: Retinal detachment is an emergency where part of the eye like the retina pulls away from the…

Q: Explain the Inhibition of Pain?

A: The gate management theory of pain asserts that non-painful input closes the nerve "gates" to…

Q: Describe the steps in the pupil reflex.

A: Answer: Introduction: Pupillary reflexes include the autonomic constituent of the oculomotor…

Q: Identify the receptors for the general senses, and describe how they function.

A: Our body's general senses sense pain, touch, pressure, temperature, vibration, and proprioception.…

Q: Describe the types of hearing loss with an example of each.

A: Sound waves are waves that have the ability to travel through air and water. The properties of sound…

Q: Differentiate conductive hearing loss from sensorineuralloss and give an example of each.

A: Hearing is a mode of communication. Hearing loss can result from certain infectious diseases,…

Q: Describe how the retina may become detached and thepossible effects on vision.

A: Eyes are the organs of vision. Eyes contain a structure called retina which contains the…

Q: Consumption of which food can prevent the kind of blindness associated with vitamin A deficiency?

A: Vitamins are an essential micro-nutrient. For the proper functioning of the metabolism an organism…

Q: Explain briefly on entering a poorly lit room, one feels blinded for a short while.

A: The eye is an organ that controls and enables sight. It has a number of components including cornea…

Q: Compare the signs of chronic glaucoma, acute glaucoma,cataract, macular degeneration, and detached…

A: The eye is the organ responsible for vision. There are two photoreceptors present that help in…

Q: Explain why some children with retinoblastoma develop multiple tumors of the retina in both eyes,…

A: Retinoblastoma (Rb) is a rare form of cancer that rapidly develops from the immature cells of retina…

Q: Why is the occlusion effect occuring in patients with middle ear disorders?

A: Auditory masking occurs when the perception of one sound is affected by the presence of another…

Q: Why is otitis media more common in children?

A: The otitis media is an ear infection that happens behind the space behind the eardrum, commonly…

Q: Explain Mechanism of generation of light-induced impulse in the retina.

A: The human eye is an organ that reacts to light and allows vision. The human eye can differentiate…

Q: Explain the pain pathway and how morphine alters the concious perception of pain

A: Pain can be defined as a somatic and emotional sensation that is unpleasant in nature. It is…

Q: Explain the phenomenon of referred pain?

A: Referred pain refers to mislocalisation of pain. This refers to the difference in the origin and the…

Q: Describe other causes of conductive hearing loss

A: Definition: A conductive hearing loss can be defined as when a person ear can not conduct sound wave…

Q: (a) What is hypermetropia?(b) What are the two causes of this defect of vision?

A: Human eye is an organ that reacts to light and allows vision. Cone and rod cells in the retina allow…

Q: Describe the nervous system component of SAD by explaining how the nervous system is involved in…

A:

Q: What defect causes color blindness?

A: Colorblindness is disorder in which the person is not able to see certain colors or not able to…

Q: Explain Retinal ?

A: Introduction: The chromophore is a molecule that absorbs light of a specific wavelength and…

Q: Give a brief account of Mechanism of vision.

A: Light rays enter the eye through the cornea which is considered as the clear front “window” of the…

Q: Explain and describe the symptoms of macular degeneration

A: Macular degeneration my a lead to lethal blindness in later stages of life.

Q: What is the function of this pupillary response?

A: Hi! Thank you for the question As per the honor code, We’ll answer the first question since the…

Q: Explain snow-blindness.

A: Snow blindness is a condition in which the cornea develops sunburn because of the increased exposure…