MCQs in Receptor Organs: Ear & Skin

Multiple Choice Questions : Ear and Skin.
These Multiple Choice Questions may facilitate your reading and to have better scores.
At the end of this MCQs you may find the answers for these questions

1. The audible frequencies to humans are in the range --
a] 2 - 20 Hz
b) 20 - 200 Hz
c] 20 - 2000 Hz
d] 20 -20000 Hz

2. The intensity of sound is measured using the scale --
a) decibel
b] Hertz
c] Mega Hertz
d] Meter

3. The lever system formed by the ear ossicles multiplies the force --
a] 3.3 times
b] 2.3 times
c) 1.3 times
d] 0.3 times

4. Permissible level (recognized by the industrial noise survey of India) for noise is --
a] 10 dB to 21 dB
b] 21 dB to 40 dB
c] 41 dB to 80 dB
d) 81dB to 120dB

5. Loud noises ranges above --
a] 40 dB
b] 70dB
c] 100 dB
d) 130dB

6. The skin is a major organ of the body forming ____ of its total mass
a] 2 %
b] 4%
c) 8 %
d] 10%

7. The skin is having an area between ____ .
a] 0.5 - 1.0 m2
b) 1.1 - 2.2 m2
c] 2.5 - 4.4 m2
d] 5 - 10 m2

8. ________ glands are found in the regions like axilla, areola, pubis, scrotum and perianal regions.
a) Apocrine
b] Merocrine
c] ceruminous
d] Sebaceous

9. Melanocytes possess the enzyme tyrosinase necessary for the synthesis of _______ from the amino acid called tyrosine.
a] Maltose
b) Melanin.
c] Photopsin
d] Cholesterol

10. The extreme degree of generalized hypo pigmentation leads to --
a] Melanoma
b] Leucoderma
c) Albinism
d] Dermatitis

11. An example for localized hypopigmentation --
a] Albinism
b] Eczema
c] Skin lesions
d) Vitiligo

12. Partial albinism causes --
a] melanoma
b] Vitiligo
c) Leucoderma
d] Dermatitis

13. Excessive exposure to Ultra Violet rays can cause -
a] vomitting
b) skin cancer
c] colour change
d] redness of eyes

14. Rag weed plant causes allergic responses and results in --
a) contact dermatitis
b] vitiligo
c] leprosy
d] all the above

15. The cochlear portion of the labyrinth is a tubule coiled _____ times.
a] 1.75
b) 2.75
c] 3.75
d] 4

           

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MCQs in Receptor Organs: Eye

Multiple Choice Questions in Eye.
These Multiple Choice Questions may facilitate your reading and to have better scores.
At the end of this MCQs you may find the answers for these questions

1. Accommodation distance for clear vision of objects to an human eye ___.
a] 25 cms. to Infinity
b] 100 cms
c] 10 -100 mtrs
d] 10mm - 100 mtrs.

2. Ideal refractive state of an eye is called ____.
a] Myopia
b] Emmetropia
c] Ametropia
d] Hypermetropia

3. A deviation in Emmetropia is called as _____.
a] Nyctalopia
b] Emmetropia
c] Ametropia
d] Hypermetropia

4. Short sightedness is refered as ____.
a] Hypermetropia
b] Emmetropia
c] Ametropia
d] Myopia

5. Due to elongation of the eye ball and increase of lens curvature results into ___.
a] Myopia
b] Emmetropia
c] Ametropia
d] Hypermetropia

6. Myopia can be corrected by placing ____ in front of the eye.
a] Convex lens
b] Concave lens
c] Aspherical lens
d] mirror

7. ___ results when the curvature of the eye lens is not great enough.
a] Myopia
b] Emmetropia
c] Hypermetropia.
d] Ametropia

8. Hypermetropia (Long sightedness) can be corrected by placing ____ in front of eye lens.
a] Concave lens
b] Distorted lens
c] Aspherical lens
d] Convex lens

9. Distorted lens or cornea leads to the defect known as _____.
a] Astigmatism
b] Emmetropia
c] Ametropia
d] Hypermetropia

10. Astigmatism can be corrected by placing ____ in front of the eye.
a] Plain Glass
b] Lens with varying curvature from one part to another
c] Lens with varying focal length
d] Lens with sensors

11. Both myopia and hypermetropia features are observed in the eye defect is ____.
a] Ametropia
b] Emmetropia
c] Astigmatism
d] Hypermetropia

12. Presbiopia begins at about ____ years of age.
a] 10
b] 20
c] 60
d] 40

13. ____ can give the remedy for defects in reading.
a] Concave lens
b] Convex lens
c] Aspherical lens
d] distorted lens

14. Practice of assessing vision and correction of defects using lens is known as ___.
a] Optometry
b] physiotherapy
c] optics
d] optoelectronics

15. Retinopathy usually results due to ____ , ____.
a] Atherosclerosis, stye
b] Diabetes mellitus, persistent hypertension
c] Astigmatism, hypoglycemia
d] Kidney failure, blindness

16. Diabetic retinopathy can develop the ___ tissues in the vitreous humour.
a] calcareous
b] bony
c] fibrous
d] muscular

17. Retinal detachment may occur due to _____ .
a] Dermatitis
b] fatigue
c] arthritis
d] Hypertensive retinopathy

18. Red eye with yellow discharge is known as ____.
a] Pink eye or Bacterial Conjunctivitis
b] Stye
c] Glaucoma
d] Hypermetropia

19. Opacity in the lens of the eye is known as ____.
a] color blindness
b] Cataract
c] total blindness
d] fatigue

20. Retinopathy can be treated with. _____.
a] Optometry
b] physiotherapy
c] Laser surgery
d] acupuncture

21. ____ causes red eye with itching and watery discharge
a] stye
b] Pink eye or Bacterial Conjunctivitis
c] Viral conjunctivitis
d] Allergic conjunctivitis

22. Night blindness is referred as ______ .
a] Astigmatism
b] Nyctalopia
c] Ametropia
d] Hypermetropia

23. Red eye without discharge and with cold is popular in _____.
a] Pink eye or Bacterial Conjunctivitis
b] Stye
c] Viral conjunctivitis
d] Glaucoma

24. ___ is an acute infection of the glands located at the eyelid margin.
a] Viral conjunctivitis
b] Allergic conjunctivitis
c] Pink eye or Bacterial Conjunctivitis
d] stye.

25. ___ is a serious disorder of an eye which can cause blindness
a] Pink eye or Bacterial Conjunctivitis
b] Viral conjunctivitis
c] Glaucoma
d] Stye

<            

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