Leprosy

Question 1

total number of cases of leprosy worldwide was

Answer 1

~18 million

Question 2

What is the etiological agent of Leprosy

Answer 2

Mycobacterium leprae

Question 3

Describe the etiological agent of Leprosy

Answer 3

Gram positive and acid fast, straight/slightly curved rod-shaped bacterium. Cannot be cultured in lab.

Question 4

what was the experimental animal for leprosy

Answer 4

9 Banded armadillo

Question 5

who discovered Mycobacterium leprae

Answer 5

Hansen

Question 6

what is leprosy also known as

Answer 6

Hansen’s Disease

Question 7

How long can Mycobacterium leprae survive outside the body

Answer 7

10 days

Question 8

How long does it take for this bacterium to divide in host

Answer 8

2 weeks

Question 9

what is the incubation time for Leprosy

Answer 9

3 months- 30 years but average 3 years

Question 10

what percentage of population is susceptible to development of clinical leprosy

Answer 10

only 4%

Question 11

how is leprosy transmitted

Answer 11

respiratory route and skin-to-skin contact

Question 12

where does leprosy tend to show

Answer 12

the cooler parts of the body. Hands, feet, limbs, nose

Question 13

what is the leading cause of morbidity in persons infected with Mycobacterium leprae

Answer 13

peripheral sensory nerve damage

Question 14

with leprosy there is a direct infection of ___ causing nerve damage

Answer 14

Schwann cells

Question 15

what are the two forms of leporsy

Answer 15

Tuberculoid and Lepromatous

Question 16

____ often follows secondary bacterial infections leading to loss of fingers and other extremities

Answer 16

Gangrene

Question 17

which form of leprosy do patients suffer from clawed hands , gangrenous fingers and toes, and develop large numb skin plaques

Answer 17

Tuberculoid Leprosy

Question 18

which form of leprosy does the skin of the face, arms, and legs become covered in large nodules

Answer 18

Lepromatous Leprosy

Question 19

which form of leprosy is the most infectious and is described as “walking cultures”

Answer 19

Lepromatous Leprosy

Question 20

what is the treatment for leprosy

Answer 20

three antimicrobial agents are used in combination, dapsone, rifampicin. and clofazimne

Question 21

is there a vaccine for leprosy

Answer 21

no