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Lens care renu, renu fresh and biotrue

Total questions: 10

Worksheet time: 5mins

Name
Class
Date
1.

Which of the following ingredients in renu fresh is used to balance the pH value for improved gentleness and comfort of use?

a)

  1. Hydranate

b)

  1. Poloxamine

c)

Borate buffer 

d)

Dymed™

2.

Which of the following ingredient is not found in renu sensitive?

a)

Dymed

b)

Poloxamine

c)

Hydranate

d)

Borate

3.

Choose the best answer:  pH is a measure of the ________ and _______ of a solution:

a)

  1. neutral charge;  positive charge

b)

  1. alkalinity; acidity

c)

  1. salt content;  basicity

d)

ionic; non-ionic

4.

Choose the best answer:  The pH of healthy tears is between:

a)

6.8 and 7.8

b)

7.0 and 8.0

c)

7.3 and 7.7

d)

5.5 and 7.5

5.

Which one of the followings is NOT one of the features of B&L Biotrue MPS solution?

a)

Helps keep lysozyme active.

b)

Helps to dissolve denatured protein.

c)

Maintain PH of tears to reduce stinging sensation.

d)

Presence of hyaluronan to improve lens rigidity

6.

Biotrue dual disinfection ability is contributed by

a)

PHMB & Aldox

b)

PHMB & Alexidine

c)

PHMB & Poloxamine

d)

PHMB & PQ-1

7.

Hyaluronan in Biotrue MPS is clinically tested to stay on the lens for up to

a)

10

b)

15

c)

16

d)

20

8.

Hydranate found in renu fresh helps to

a)

remove protein

b)

disinfect the lens

c)

improve lens wettability

d)

acts as a surfactant to clean the lens

9.

Which one of the following ingredients in renu sensitive helps in disinfection of the lens?

a)

Dymed (PHMB)

b)

Boric acid

c)

Poloxamine

d)

Sodium Chloride

10.

After opening B+L MPS, you will need to discard the solution after ______ days?

a)

90

b)

60

c)

30

d)

45