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Anti-fungals

Total questions: 46

Worksheet time: 24mins

Name
Class
Date
1.

Structural requirements for nystatin:

1. Has the glycone known as nystatinolide

2. Contains a mycosamine sugar

3. It is an example of hexaene

a)

 

1, 2, and 3

b)

 

2 and 3

c)

2 only

d)

1 and 2

2.

An anti-fungal that can act as mitotic spindle poison

(a)  

3.

Which among the following statement is correct about ciclopirox?

1. AOC for cutaneous candidiasis

2. AOC for various Tinea infection

3. DOC for onychomycosis

a)

1 and 2

b)

1, 2, and 3

c)

2 only

d)

1 and 3

4.

Which among the following can inhibit squalene epoxidase?

a)

nystatin

b)

metronidazole

c)

fluconazole

d)

terfenadine

5.

Which among the following is an example of polyene antifungal antibiotics:

1. Griseofulvin           2. Nystatin   3. Natamycin             4.Amphotericin B

a)

 

2 and 3

b)

2, 3, and 4

c)

1 and 2

d)

1

6.

First orally active broad spectrum imidazole antifungal:

a)

fluconazole

b)

ketoconazole

c)

miconazole

d)

voriconazole

7.

Which among the following does not belong the group?

a)

Posaconazole

b)

Ibruxafungerp

c)

Voriconazole

d)

Osteconazole

8.

The sterol that is commonly targeted by antifungal agents, the sterol referred to is

(a)  

9.

A thiosester of b-naphthol that is capable of inhibiting squalene epoxidase is

(a)  

10.

The following limitations are associated with the use of polyenes, except:

1. good water solubility

2. it is nephrotoxic esp. amphotericin B

3. it chemically stable

a)

1 and 3

b)

 

1 and 2

c)

2 and 3

d)

2 only

11.

Isolated from Aureobasidium pullulan. This product is known as

(a)  

12.

Polyene antifungals possess conjugated double bonds, which among the following is/are correct?

a)

Nystatin is a pentaene

b)

Amphotericin B is heptaene

c)

Natamycin is hexaene

d)

Nystatin is a heptaene

13.

For the treatment of systemic mycosis, which of the following antifungal agents can be administered by intravenous route?

a)

Nystatin

b)

Clioquinol

c)

Tolnaftate

d)

Amphotericin B

14.

The “toxic” sterol produced by inhibiting lanosterol 14a-demethylase

(a)  

15.

Which among the following is true about 5-FU?

1. It can inhibit protein synthesis

2. It can inhibit DNA synthesis

3. It is activated from flucytosine by the help of cytosine permease

a)

1 and 2

b)

2 only

c)

1 only

d)

1, 2, and 3

16.

What is the aglycone found on the structure of nystatin?

(a)  

17.

(a)   is the oily, waxy substance produced by the sebaceous gland.

18.

Which among the following fatty acid is found normally on perspiration as fungicidal agent?

a)

Benzoic acid

b)

Propionic acid

c)

Ciclopirox

d)

Haloprogin

19.

The most common problem associated with the use of amphotericin B thus making it as the last option for systemic antifungal therapy is

a)

NEPHROTOXICITY

b)

HEPATOTOXICITY

c)

NONE OF THE CHOICES

d)

N&V

20.

An example of anti-fungal antibiotics:

a)

griseofulvin

b)

NONE

c)

itraconazole

d)

streptomycin

21.

Which of the following is considered the treatment of choice for Aspergillus infections in immunocompetent and immunocompromised patients?

a)

itraconazole

b)

posaconazole

c)

voriconazole

d)

fluconazole

22.

Drug interactions can occur with all azoles but are LESS likely with which of the following drugs?

a)

posaconazole

b)

fluconazole

c)

voriconazole

d)

itraconazole

23.

Which among the following is/are true about this structure:

1. it is an example of triazole antifungal

2. it is an example of imidazole antifungal agent

3. it possess piperazine ring

a)

2 only

b)

1 and 3

c)

1 and 2

d)

3 only

24.

Griseofulvin must be given on a high fat meal.

a)

True

b)

False

c)

Either

25.

Any substitution on the triazole or imidazole is allowed provided that an electron withdrawing group is present.

a)

T

b)

F

26.

Benzoic acid is an example of antifungal that cannot penetrate the skin, hence effective in the management of topical fungal infection

a)

T

b)

F

27.

Presence of an electron withdrawing group found on the aromatic ring enhances antifungal property of azole antifungals.

a)

T

b)

F

28.

The salt form of fatty acid that can be used as antifungal are static in nature.

a)

T

b)

F

29.

Skin is considered as a formidable barrier for drug penetration and absorption.

a)

t

b)

f

30.

Undecylenic acid is a product of the destructive distillation of ricinoleic acid from castor oil.

a)

T

b)

F

31.

To become an effective keratolytic agent, benzoic acid is not used with other drug so that it can enhances drug penetration.

a)

t

b)

f

32.

The polyene antifungals can act as false membrane component.

a)

T

b)

F

33.

Chemically speaking, terbinafine is not a true example of allylamine.

a)

T

b)

F

34.

MOA or chemical classification: allylamine

a)

itraconazole

b)

naftifine

c)

5-FU

d)

haloprogin

35.

MOA or Chemical Classification: triazole type

a)

haloprogin

b)

itraconazole

c)

nystatin

d)

5-FU

36.

phenolic

a)

haloprogin

b)

itraconazole

c)

nystatin

d)

5-fu

37.

nucleoside anti-fungal

a)

itraconazole

b)

ketoconazole

c)

5-FU

d)

nystatin

38.

polyene antifungal - antibiotic

a)

nystatin

b)

5-FU

c)

naftifine

d)

ketoconazole

39.

sodium caprylate

a)

fatty acids

b)

B-1,3-glucan synthase inhibitor

c)

allylamine type

d)

none

40.

caspofungin

a)

B-1,3-glucan synthase inhibitor

b)

protease inhibitor

c)

allylamine type

d)

fatty acids

41.

terfenadine

a)

allylamine type

b)

B-1,3-glucan synthase inhibitor

c)

fatty acids

d)

antifungal-antibiotic

42.

Tinea capitis

a)

feet

b)

groin

c)

scalp

d)

hands

43.

Tinea cruris

a)

body skin

b)

feet

c)

hands

d)

groin

44.

Tinea corporis

a)

body skin

b)

groin

c)

feets

d)

scalp

45.

Salicylic acid with resorcinol and benzoic acid can produce synergistic effect.

a)

t

b)

f

46.

DOC: fungal meningitis

a)

Itraconazole

b)

Ketoconazole

c)

Miconazole Nitrate

d)

Terconazole