Description : The part of the eye having the largest refractive index is - (1) cornea (2) aqueous humor (3) lens (4) vitreous humor
Last Answer : (3) lens Explanation: Like a camera, the human eye uses a convex lens system to form a small, inverted, real image of an object in front of it. Lens is the part of the eye having the largest refractive index.
Description : The part of the eye having the larges refractive index is : (1) cornea (2) aqueous humor (3) lens (4) vitreous humor
Last Answer : (3) lens Explanation: The cornea represents the strongest part of the refracting power of the eye, providing about 80% of the power of the system. The index of refraction of the cornea is about 1. ... into the watery fluid known as the aqueous humor which has an index of refraction of about 1.336.
Last Answer : lens
Description : The _______ the amount of light entering the eye. a)iris b)pupil c)cornea d)lens
Last Answer : a)iris
Description : ______ is the defect which occurs in eye due to excessive curvature of cornea and person is not able to see distant objects clearly . a)myopia b)hypermetropia c)squint d)cataract
Last Answer : a)myopia
Description : The ability of the eye to change the focal length of its lens to see distant object is _______ a)accommodation b)adjustment c)change d)pinch
Last Answer : a)accommodation
Description : The light sensitive cells that respond to dim light are ________. a)cones b)rods c)cornea d)retina
Last Answer : b)rods
Description : Entoptic imagery may be caused by: a.. opacities of the cornea b. cells in the tear film c. cells in the aqueous d. vitreous cells
Last Answer : vitreous cells
Description : What is the difference between aqueous humor and vitreous humor? -Biology
Last Answer : answer:
Description : The highest concentrations of fructose are found in (A) Aqueous humor (B) Vitreous humor (C) Synovial fluid (D) Seminal fluid
Last Answer : D
Description : Visually impaired people can read and write by using special touch system called the_______. a)Braille b)cassettes c)audio books d)CDs
Last Answer : a)Braille
Description : The junction of optic nerve and retina is insensitive to light and no image is formed here , it is known as ______. a)blind spot b)yellow spot c) fovea d)pupil
Last Answer : a)blind spot
Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person? (1) Cornea (2) Choroid (3) Iris (4) Vitreous body
Last Answer : Iris
Description : How do the two cavities and two chambers of the eye and the circulation of aqueous humor through them?
Last Answer : Need answer
Description : Distinguish between Aquas Humor and Vitreous Humor ?
Last Answer : : The aquas humor is located between the lens and the cornea. The vitreous humor is located between the lens and the retina. The aquas humor contains clear aqueous substance. I wrote down as many as I could.
Description : What is Vitreous Humor ?
Last Answer : Vitreous humor is what fills the hollow part of the eyeball behind the lens of the eye . It looks like transparent jelly.
Description : In eye donation, which one of the parts of donor’s eye is utilized? A. Lens B. Retina C. Cornea D. Iris
Last Answer : ANSWER: C
Description : In eye donation, which one of the following parts of donor's eye is utilized? (1) Iris (2) Lens (3) Cornea (4) Retina
Last Answer : (3) Cornea Explanation: Generally blindness is caused by the dryness and hardness of cornea. Cornea is a clear layer which helps passing of light. It is an outer layer and can be transfer from one person to another.
Description : In eye donation, which one of the following parts of donor’s eye is utilized ? A. Iris B. Lens C. Cornea (Answer) D. Retina
Last Answer : C. Cornea (Answer)
Description : Light rays entering the eye is controlled by (a) pupil (b) iris (c) cornea (d) lens.
Last Answer : (a) pupil
Description : Space between cornea and lens is :-
Last Answer : Space between cornea and lens is :- A. Aqueous chamber B. Vitreous chamber C. Conjuctiva D. Iris
Description : An ___________ solution which consists of solutes in water, is essential for chemical reactions to occur. a. hydrophobic b. aqueous c. covalent d. vitreous
Last Answer : b. aqueous
Description : Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions characteristics. (a) C-Aqueous chamber-Reflects the light which does not ... , i.e., rods and cones. (d) B - Blind spot-Has only a few rods and cones.
Last Answer : (c) A - Retina - Contains photoreceptors, i.e., rods and cones.
Description : After digestion the next step is absorption done by cells of the mucous membrane of the intestine. For this task a large absorption surface is an advantage. How is it possible in the small internal space of the body of a pluricellular organism to present a large intestinal surface?
Last Answer : Evolution tried to solve this problem in two ways. The simplest is the long and tubular shape of the bowels (approximately eight meters in extension), making possible that numerous ... function of increasing the absorption surface too. Digestion System - Image Diversity: intestinal villi microvilli
Description : The colour of the eye depends upon the pigment present in - (1) cornea (2) iris (3) rods (4) cones
Last Answer : (2) iris Explanation: Eye colour is a polygenic phenotypic character determined by 2 distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the ... iris stroma (located at the front of the iris), and the cellular density of the stroma.
Description : Photoreceptors (Rods and cones) of eye are present in (a) Sclera (b) Cornea (c) Retina (d) Pupil
Last Answer : (c) Retina
Description : The colour of the eye depends upon the pigment present in (1) cornea (2) iris (3) rods (4) cones
Last Answer : iris
Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person’? (1) Corea (2) Choroid (3) Iris (4) Vitreous body
Last Answer : (3) Iris Explanation: The iris is a thin, circular structure in the eye, responsible for controlling the diameter and size of the pupils and thus the amount of light reaching the retina. "Eye color" is ... the center of the iris, known as the pupil. The larger the pupil, the more light can enter,
Description : With regard to the vitreous: a. its water content is about 90% b. its volume is about 5ml in each eye c. its viscosity increases with age d. its viscosity is contributed by the presence of sodium hyaluronate
Last Answer : its viscosity is contributed by the presence of sodium hyaluronate
Description : The following are true about the lens: a. the anterior capsule is 10 times thicker than the posterior capsule b. the anterior surface has a greater radius of curvature than the posterior surface c ... the cornea d. the lens is more effective in absorbing light with long than short wave-lengths
Last Answer : during accommodation the lens moves towards the cornea
Description : Space called vitreous chamber filled with transparent gel like substance found in between
Last Answer : Space called vitreous chamber filled with transparent gel like substance found in between
Description : How can you tell if you scratched you cornea or if you simply have something stuck in your eye?
Last Answer : answer:When scratched my corea while using my chain saw, the scratch was not visible. I went to the ophthalmologist who put a dye in my eye and then looled for the scratch under UV light. It showed up ... had to wait a couple of days for it to heal over. How could something that small hurt so bad?
Description : What is the cornea of the eye ?
Last Answer : The cornea is the transparent part of the front of the eye. It covers the Irish and the Pupils. A pupil is a hole in the middle of the Irish that looks black in cataract-free eyes and gray or ... fall on the retinal retina. Then we see an object. The cornea helps in the penetration of light rays.
Description : Which is the membrane covering the cornea of the eye?
Last Answer : Conjunctiva
Description : In Eye donation, which part of the eye used? A. Retina B. Iris C. Cornea (Answer) D. Optic nerve
Description : In which part of the eye lies the pigment that decides the colour of the eyes of a person--? A. Retina B. Iris (Answer) C. Cornea D. Pupal
Last Answer : B. Iris (Answer)
Description : Sensitive layer of the eye is? A. Choriods B. Sclerotic C. Retina (Answer) D. Cornea E. None of these
Last Answer : C. Retina (Answer)
Description : Sensitive pigmented layer of eye is (a) cornea (b) retina (c) sclerotic (d) iris.
Last Answer : (b) retina
Description : Which of the following statements is correct? (a) Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye. (b) Cornea is an external, transparent and protective ... elastin and can repair itself. (d) Cornea is convex, transparent layer which is highly vascularised.
Last Answer : (a) Cornea consists of dense matrix of collagen and is the most sensitive portion of the eye.
Description : Most benign cause of postmenopausal bleeding Cervical polyp Atrophic vaginitis 112-Pt came by hx os sudden eye pain burning vision photophobia and by ex. Small pupil and keretic cell on cornea and cell in humorus Ttt Cyclospoine + corticosteroid
Last Answer : Cyclospoine + corticosteroid
Description : What part of the eye gets inflamed and becomes pink when dust gets into ? (1) Cornea (2) Choroid (3) Conjunctiva (4) Sclerotic
Description : All of the following are requirements of mucoperiosteal flap except of: A. Base is wider than free margin B. Mucous membrane is carefully separated from periosteum C. Base has an adequate ... defect that will be present at conclusion of operation E. Mucoperiosteum is carefully separated from bone
Last Answer : B. Mucous membrane is carefully separated from periosteum
Description : Protein present in eye lens is :
Last Answer : Protein present in eye lens is : A. Opsin B. Collagen C. Crystalline D. Rhodopsin
Description : The human lens: a. has a higher refractive index in the nucleus than the cortex b. contains a higher potassium concentration than the aqueous c. contains a higher concentration of sorbitol in diabetic patient than normal population d. all above
Last Answer : all above
Description : Aqueous humour is formed by: a. Epithelium of ciliary body b. Posterior surface of iris c. Lens d. Pars plana
Last Answer : ANSWER: A
Description : A person will have brown eyes, blue eyes or black eyes depending on the particular pigment present in the : (1) Pupil (2) Cornea (3) Iris (4) Choroid
Last Answer : (3) Iris Explanation: Eye color is a polygenic phenotypic character determined by 2 distinct factors: the pigmentation of the eye's iris and the frequency-dependence of the scattering of light by the turbid ... iris stroma (located at the front of the iris), and the cellular density of the stroma.