/
Multiple choice questions Multiple choice questions

Multiple choice questions - PowerPoint Presentation

luanne-stotts
luanne-stotts . @luanne-stotts
Follow
491 views
Uploaded On 2015-09-17

Multiple choice questions - PPT Presentation

Mycobacterium tuberculosis The scientist who discovered M tuberculosis was A Louis Pasteur B Robert Koch C JeanAntoine Villemin D Calmette and Guerin Correct answer B MDR TB ID: 132009

answer correct infection tuberculosis correct answer tuberculosis infection drugs risk acid fast leprosy people line bacilli disease infected resistance organism inh hypersensitivity

Share:

Link:

Embed:

Download Presentation from below link

Download Presentation The PPT/PDF document "Multiple choice questions" is the property of its rightful owner. Permission is granted to download and print the materials on this web site for personal, non-commercial use only, and to display it on your personal computer provided you do not modify the materials and that you retain all copyright notices contained in the materials. By downloading content from our website, you accept the terms of this agreement.


Presentation Transcript

Slide1

Multiple choice questions

Mycobacterium tuberculosisSlide2

The scientist who discovered M. tuberculosis was:

A: Louis Pasteur

B: Robert Koch

C:

Jean-Antoine

Villemin

D:

Calmette

and Guerin

Correct answer: BSlide3

MDR TB:

is defined as resistance to

A: more than three anti tubercular drugs

B:

isoniazid

and

rifampin

irrespective of resistance to any other drug

C: INH, PZA and

Rifampicin

D:

fluoroquinolones

and at least one of the three

injectable

second-line drugs used to treat TB

Correct answer: BSlide4

XDR TB is defined as

A:

MDR TB that also is resistant to

fluoroquinolones

and at least one of the three

injectable

second-line drugs used to treat TB (

amikacin

,

kanamycin

, or

capreomycin

)

B:

resistant to two most effective first-line therapeutic drugs,

isoniazid

and

rifampin

irrespective of resistance to any other drug

C: MDR TB that is resistant to either one of the

injectable

second line drugs or second-line therapeutic

fluoroquinolones

D: Strain resistant to more than one drug (excluding co resistance to INH and

rif

)

Correct answer: ASlide5

Tuberculosis is transmitted through:

A: Infected water

B: Infected hands

C:

Infected blood

D: Infected air

Correct answer: DSlide6

Which of the following statements is incorrect:

A: People who are exposed to TB may or may not develop TB infection

B: People with TB infection may or may not develop TB disease

C: risk of developing TB disease is highest in first 2 years after infection

D: Every individual exposed to TB develops disease

Correct answer: DSlide7

Tubercular

Granulomas

are made up of:

A: organized aggregates of immune cells that surround foci of infected tissues

B: Damaged tissue cells and bacilli only

C: Fibrous and damaged tissue and bacilli only

D: Necrotic tissue and damaged tissue and bacilli only

Correct answer: ASlide8

Cord growth seen on

mycobacterial

culture is characteristic of:

A.

Avirulent

strains

B. Virulent strains

C. Saprophytic strains

D. Atypical

mycobacteria

Correct answer: BSlide9

Which one of the following are constituent of Lowenstein Jensen media except:

A.

Agarose

B.Malachite

gree

C. Mineral salts

D.

Asparagine

Correct answer: ASlide10

Following are the first line

antitubercular

drugs except:

A.

isoniazid

B.

rifampin

C. PAS

D. streptomycin

Correct answer: CSlide11

Which one of the following anti-tubercular drugs acts best in acidic pH:

A. INH

B.

Pyrazinamide

C. Streptomycin

D.

Rifampicin

Correct answer: BSlide12

Mutations in

katG

gene of

Mycobacterium tuberculosis

are responsible for resistance to:

A. INH

B.

Rifampicin

C.

Pyrazinamide

D. Streptomycin

Correct Answer: ASlide13

Which of the following tests are banned for diagnosis of tuberculosis:

A. Culture

B. ELISA

C. PCR

D. LPA

Correct result: BSlide14

Which of the following statements is incorrect:

A.

Mycobacteria

are obligate aerobes

B. Increased CO

2

tension enhances growth

C. Can not grow in cell free media

D. Doubling time of tubercle bacilli is about 18 hours.

Correct answer: CSlide15

One word answer

Identify the stain

ZN stain

Identify the organism

M. tuberculosis

Describe the morphology

Acid fast, Long slender, curved, bunch, beadedSlide16

True/ False

For people with TB infection and

no risk factors

, the risk is about 5% in the first two years

T

For people with TB infection and

no risk factors

, the risk is about 10% over a lifetime

T

For people with TB infection and

diabetes

, the risk is about 30% over a lifetime

T

For people with TB infection and

HIV infection

, the risk is about 7% to 10% over a lifetime

FSlide17

Which one of the following is a non cultivable

mycobacteria

:

A. M. tuberculosis

B. M.

Bovis

C. M.

leprae

D. M.

avium

intracellulare

Correct Answer: CSlide18

Which one of the following is a rapid grower

mycobacteria

:

A. M.

scrofulaceum

B. M.

kansasii

C. M.

fortuitum

D. M.

avium

intracellulare

Correct Answer: CSlide19

Buruli

ulcer is caused by:

A. M. tuberculosis

B. M.

ulcerance

C. M.

marinum

D. M.

chelonei

Correct answer: BSlide20

Swimming pool

granuloma

is caused by:

A. M. tuberculosis

B. M.

ulcerance

C. M.

marinum

D. M.

chelonei

Correct answer: cSlide21

Most common cause of disseminated opportunistic infection in AIDS patients in western world is:

A. M.

avium

intracellulare

complex

B.

Pneumocystis

carinii

C. Cryptosporidium

D.

Zygomycetes

Correct answer: ASlide22

Gerhard

Henrik

Armauer

Hansen,s

contribution to Microbiology was;

A. First identified

M.

leprae

as the cause of leprosy in 1873

B. First identified

M. tuberculosis

as a cause of TB in 1895

C. First identified

B.

anthracis

as a cause of Anthrax in 1872

D. First identified that small pox is a contagious disease

Correct Answer: ASlide23

Which of the following description suits

lepra

bacilli best:

A. acid-fast rod-shaped organism with parallel sides and rounded ends, mostly extracellular, often grouped together like bundles of cigars

B. acid-fast rod-shaped organism with parallel sides and rounded ends, chiefly in masses within the

lepra

cells (

globi

), often grouped together like bundles of cigars or arranged in a palisade

C. acid-fast rod-shaped organism with parallel sides and rounded ends, chiefly intracellular in Chinese letter form

D. acid-fast rod-shaped organism, extracellular, Chinese letter form

Correct answer: BSlide24

An adult male is presenting with hypo-pigmented patches on forearm, partial loss of

cutaneous

sensations in affected areas, presence of thickened

ulnar

nerve and presence of AFB in nasal smears. Your diagnosis is:

A.

Cutaneous

Tuberculosis

B. Leprosy

C. Atypical

mycobacteriosis

D.

Actinomycosis

Correct answer: BSlide25

A case of leprosy with good Cell mediated immunity usually presents as following form of disease:

A.

Lepromatous

B.

Tuberculoid

C. indeterminate

D. Borderline

Correct answer: BSlide26

Erythma

nodosum

leprosum

as seen in patients of leprosy on treatment, is due to:

A. Type I hypersensitivity reaction

B. Type II hypersensitivity reaction

C. Type III hypersensitivity reaction

D. Type IV hypersensitivity reaction

Correct answer: CSlide27

Presence of sulfur granules in pus is

pathognomonic

of:

A. Subcutaneous mycosis

B. Leprosy

C.

Actinomycosis

D.

Cutaneous

Tuberculosis

Correct Answer: CSlide28

There is a 30 year old male presenting with lumpy jaw,

suppurative

inflammation and formation of multiple abscesses and sinus tracts with discharge of pus containing sulfur granules. Most probable clinical diagnosis is;

A. Leprosy

B.

Actinomycosis

C. Subcutaneous mycosis

D.

Cutaneous

TB

Correct Answer: BSlide29

There is a 30 year old male presenting with lumpy jaw,

suppurative

inflammation and formation of multiple abscesses and sinus tracts with discharge of pus containing sulfur granules. Following types of

microscpic

examinations can be ordered to confirm the diagnosis, except;

A. Smear examination for Gram positive bacteria

B. Microscopic examination of Crush smear of granule

C. Smear examination for acid fast bacilli

D. KOH mount

Correct answer: DSlide30

There is a 30 year old male presenting with lumpy jaw,

suppurative

inflammation and formation of multiple abscesses and sinus tracts with discharge of pus containing sulfur granules. Best therapy in this case will be:

A.

Antitubercular

drugs

B.

Aminoglycosides

C. Penicillin

D. Co

trimoxazole

Correct Answer: C Slide31

Which one of them is non acid fast:

A. Mycobacterium tuberculosis

B.

Nocardia

C.

Actinomyces

D. Mycobacterium leprosy

Correct Answer: C