Pictorial Mnemonics & MCQs : Leptospirosis

At the last time revision for exam: topics of Infectious diseases become confusing & exhausting for students...In order to simplify these concepts: “AGM” is designing each disease with caricature of Einstein to enable the students to understand & memorize the concepts with ease at a glance... 

Leptospirosis: A hot topic in PGMEE/ERPM & FMGE... Though recognised among the world's most common diseases transmitted to people from animals, leptospirosis is nonetheless a relatively rare bacterial infection in humans. 

Pictorial mnemonics of 3 clinical forms of leptospirosis: Weil's disease + canicola fever +Fort Bragg fever with Rapid text is given here... Your comments & rating is highly appreciated...!

Question 1

Which of these is not an alternative name for Leptospirosis?

Icterohemorrhagic fever

Rice-field fever

Mud fever

Cattle fever

Question 2

Leptospirosis in human rarely occurs through:

Direct contact with contaminated animal urine

Indirect contact with contaminated animal urine

Contact with contaminated human urine

Contact with contaminated soil

Question 3

Which of these groups is at increased risk of Leptospirosis?

Swimmers

Sewer workers

Farmers

All the above

Question 4

Incubation period for leptospirosis is:

2 - 6 days

2 - 16 days

2 - 26 days

2 - 36 days

Question 5

Ocular manifestations common in anicteric leptospirosis are:

Conjunctival suffusion

Retro orbital pain

Photophobia

All the above

Question 6

Leptospirosis disease is maintained in infected animals by:

Chronic infection of renal tubules

Chronic infection of intestinal tract

Chronic infection of blood

Chronic infection of cerebrospinal fluid

Question 7

Which of these statements is not true with regard to leptospires?

They are straight spirochetes

They are obligate aerobes

Optimum growth temperature is 28-300 C

May be stained using carbol fuchsin counterstain

Question 8

In humans leptospires can be detected in:

Urine

Blood

Cerebrospinal fluid

All of the above

Question 9

Which of these is not true regarding laboratory findings in anicteric phase of Leptospirosis?

Erythrocyte sedimentation rate (ESR) is reduced

White blood cells (WBC) range from below normal to moderately elevated

Aminotransferases are elevated

Alkaline phosphatases are elevated

Question 10

How many days after infection with leptospires do the urine cultures become positive?

First week of illness

Second week of illness

Third week of illness

Fourth week of illness

Question 11

For isolation of leptospires, blood culture should be taken:

As soon as possible after patient’s presentation

Second week after patient’s presentation

Third week after patient’s presentation

Fourth week after patient’s presentation

Question 12

Cultures for leptospires should be examined for how many weeks before being discarded?

Upto 3 weeks

Upto 7 weeks

Upto 11 weeks

Upto 13 weeks

Question 13

Antibodies in blood can be detected how many days after onset of symptoms?

1 - 2 days

5 - 7 days

9 - 11 days

13 - 15 days

Question 14

Antibiotic given to prevent leptospirosis is:

Doxycycline

Ampicillin

Penicillin

Erythromycin

Question 15

Anicteric leptospirosis is treated with:

Doxycycline 100 mg bid

Ampicillin 500-750 mg bid

Amoxicillin 500 mg bid

Any of the above

Question 16

Dose of ampicillin for treating Icteric leptospirosis is:

IV ampicillin one gram od

IV ampicillin one gram bd

IV ampicillin one gram tds

IV ampicillin one gram qid

Question 17

The following statements are true regarding leptospirosis, except:
a) It is zoonosis
b) Man is the dead end host
c) Man is an accidental host
d) Lice act as reservoirs of infection