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Mcqs MBBS Exams
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(Single Best Answer) Question 31: Tuberculosis in HIV positive individuals is characterized by which of the following ?
1. More frequent negative sputum smears.
2. More false-negative tuberculin test results.
3. More extra-pulmonary tuberculosis.
4. More cavitating lesions in lungs as shown by chest X-ray.

Select the correct answer using the code given below ?
A) 1 and 2 only
B) 3 and 4 only
C) 1, 2 and 3 only
D) 1, 2, 3 and 4
Answer (Select an option above to get the answer):
(Single Best Answer) Question 32: The following are the indicators for assessing the sensitivity of surveillance of polio except ?
A) A minimum of one case of AFP per 100,000 children under 15 years of age detected per year
B) A minimum of one case of AFP per 100,000 children under 5 years of age detected per year
C) At least 80% of the reporting sites should report each month even in the absence of cases
D) Percentage of AFP cases with 2 stools taken within 2 weeks after paralysis onset greater than equal to 80%
Answer (Select an option above to get the answer):
(Single Best Answer) Question 33: Calicum content of milk is lowest in the milk of ?
A) human
B) goat
C) cow
D) buffalo
Answer (Select an option above to get the answer):
(Single Best Answer) Question 34: The following statements are correct for healthful school environment except ?
A) In the classroom, desks should be of minus type
B) Per capita space for each student should be 6sq. feet
C) Combined window and door area should be 25% of the floor space
D) One urinal should be provided for 60 students
Answer (Select an option above to get the answer):
(Single Best Answer) Question 35: What is the time limit for registration of a birth?
A) 7 days
B) 14 days
C) 21 days
D) 3 days
Answer (Select an option above to get the answer):
(Single Best Answer) Question 36: Excessive nitrates in drinking water can produce ?
A) Hypochromic microcytic anemia
B) Methaemoglobinaemia
C) Polycythemia vera
D) Hemophilia
Answer (Select an option above to get the answer):
(Single Best Answer) Question 37: Due to which of the following does seasonal trend of a disease occur ?
1- Vector variation
2- Environmental factors
3- Change in herd community

Select the correct answer using the code given below :
A) 1 only
B) 2 and 3 only
C) 1 and 3 only
D) 1,2 and 3
Answer (Select an option above to get the answer):
(Single Best Answer) Question 38: Beta oxalyl amino alanine (BOAA) is found in :
A) Argemone mexicana
B) Lathyrus sativus
C) Aspergillus flavus
D) Crotolaria medicaginea
Answer (Select an option above to get the answer):
(Single Best Answer) Question 39: The relationship between birth rate and maternal hemoglobin is best studied by ?
A) Standard error of difference between two means
B) Standard error of difference between two proportions
C) Correlation and regression
D) senstivity and specificity
Answer (Select an option above to get the answer):
(Single Best Answer) Question 40: The term "disease control " describes the ongoing operations aimed at reducing all of the following expect ?
A) The incidences of disease
B) The financial burden of the community
C) Virulence of the disease agent
D) Prevention of complications
Answer (Select an option above to get the answer):