Name and describe two skin conditions caused by live parasites. ...

[vicky]

Name and describe two skin conditions caused by live parasites.
 
  What will be an ideal response?

Question 2

The loss of flexibility of the lens of the eye with blurring vision and loss of accommodation caused by aging is known as ________.
 
  A) presbyopia
  B) night blindness
  C) cataract
  D) xerophthalmia

[LVPMS]

Answer to Question 1

Pediculosis is caused by lice, which frequently live in and leave tiny white eggs in hair.
Scabies is a contagious skin disease characterized by papules, vesicles, pustules, and itching. It is caused by the itch mite.

Answer to Question 2

A
Explanation: A) Correct Presby/o- means old age.
B) Night blindness does occur with age, but does not involve loss of flexibility of the lens.
C) A cataract does occur with age, but does not involve loss of flexibility of the lens.
D) Xerophthalmia is dry eyes, not loss of flexibility of the lens.

[vicky]

Excellent

[nyrave]

Gracias!