Discipline: Parasitology
Page
45
of
59
E) Clinical Parasitology (MCQs)
Answer
Key
A Vertebral deformities
B Hypertension and bradycardia
C Increased intra cranial pressure
D Decreased platelet count
752)
If the color of cerebrospinal fluid is orange during analysis, this is the indication of
D
A Bacterial meningitis
B Subarachnoid hemorrhage
C Purulent CSF
D High carotenoid intake
753)
If there are high bilirubin and protein levels along with the fungal meningitis, these are the indications when the color of
CSF is
C
A Turbid
B Pink
C Yellow
D Brown
754)
What is true for the maceration and decolourization of collected ecto-parasite specimens?
A
A Treatment with 20% solution of KOH for a period of 15-
35 hours
B Treatment with 10% solution of KOH for a period of 25-
45 hours
C Treatment with 20% solution of KOH for a period of 25-
45 hours
D Treatment with 10% solution of KOH for a period of 15-
35 hours
755)
Dehydration of ecto-parasite specimens is done in a series of ethanol as
B
A 30%, 70% and absolute
B 40%, 70% and absolute
C 40%, 80% and 96%
D 30%, 60% and 96%
756)
In modified McMaster method, centrifugation of collected fecal material is done at
A
A 1500 RPM for 2 minutes
B 1000 RPM for 5 minutes
C 1000 RPM for 2 minutes
D 1500 RPM for 5 minutes
757)
In faecal egg count reduction test, resistance is present if
A
A
Percentage reduction in egg count is less than 95% and
95% confidence level is less than 90%
B
Percentage reduction in egg count is less than 90% and
95% confidence level is less than 95%
C
Percentage reduction in egg count is more than 95% and
95% confidence level is less than 90%
D
Percentage reduction in egg count is less than 95% and
95% confidence level is more than 90%
758)
In faecal egg count reduction test, if the group mean EPG is below 150, this is the indication that
C
A Resistant is not present
B Animals are in good health condition
C Objective assessment of resistance is not reliable
D None of the above
759)
- Incubation requirements for all the test for the evaluation of acaricide resistance are
A
A 27-28 degree C temperature with 85-95 percent relative
humidity
B 27-28 degree C temperature with 75-85 percent relative
humidity
C 27-28 degree C temperature with 85-100 percent relative
humidity
D 20-27 degree C temperature with 85-95 percent relative
humidity
760)
Flumethrin and cypermethrin are the indicators of resistance against
D
A Avermectins
B Organophosphates
C Organochlorines
D Synthetic pyrethroids
761)
For larval packet test, the stock solution of acaricide is prepared in trichloroethylene and commercial olive oil with the
ratio of
B
A 1:2
B 2:1
C 1:3
D 2:3
762)
Biggest advantage of larval immersion test over larval packet test is that
B
A It requires less time
B Does not require technical grade acaricide
C Stock solution is made in Triton X 100
D All of the above
763)
When the parasites are grown with the single known bacterium, this is called as
A
A Monoxenic culture
B Polyxenic culture
C Xenic culture
D Axenic culture
764)
The pure culture without any bacterial associates is called
D
A Monoxenic culture
B Polyxenic culture
C Xenic culture
D None of the above
765)
What is not true for the culture examination of free living amaoeba
D
A Examine plates every 7 days
B Trophozoites will be visible earlier than cysts
C Culture transfer can be done on a new plate
D All of the above
766)
What is not true for the staining of protozoa culture?
A
A Wright’s stain
B Carmine powder
