Pathogens and the diseases they cause — practice questions

Question 1 · difficulty L1 · recall

Which protozoan causes malaria in humans?

• A. Plasmodium
• B. Entamoeba
• C. Ascaris
• D. Wuchereria

Question 2 · difficulty L2 · understanding

Match List-I with List-II List - I List - II A Emphysema I Rapid spasms in muscle due to low $\mathrm{Ca}^{++}$in body fluid B Angina Pectoris II Damaged alveolar walls and decreased respiratory surface C Glomerulonephritis III Acute chest pain when not enough oxygen is reaching to heart muscle D Tetany IV Inflammation of glomeruli of kidney Choose the correct answer from the options given below :

• A. A-II, B-IV, C-III, D-I
• B. A-II, B-III, C-IV, D-I
• C. A-III, B-I, C-IV, D-II
• D. A-III, B-I, C-II, D-IV

Question 3 · difficulty L3 · application

A patient has recurrent fever with chills after being bitten by infected mosquitoes. Which pathogen is the most likely cause?

• A. Salmonella typhi
• B. Plasmodium
• C. Streptococcus pneumoniae
• D. Trichophyton

Question 4 · difficulty L3 · understanding

The following are the stages of life cycle of Plasmodium. Arrange the stages in the proper order. A. The parasites reproduce asexually in RBCs, bursting the cells. B. The parasites reproduce asexually in liver cells, bursting the cells and releasing into blood. C. Gametocytes develop in RBCs. D. Sporozoites reach the liver through the blood. E. Female mosquito injects sporozoites into humans during bite. Choose the correct answer from the options given below:

• A. $\mathrm{E}, \mathrm{D}, \mathrm{B}, \mathrm{A}, \mathrm{C}$
• B. $\mathrm{A}, \mathrm{B}, \mathrm{C}, \mathrm{D}, \mathrm{E}$
• C. $\mathrm{C}, \mathrm{A}, \mathrm{B}, \mathrm{D}, \mathrm{E}$
• D. $\mathrm{E}, \mathrm{C}, \mathrm{D}, \mathrm{B}, \mathrm{A}$

Question 5 · difficulty L3 · understanding

Given below are two statements: Statement I: Antibiotics are chemicals produced by microbes that kill other microbes. Statement II: Antibodies are chemicals formed in body that eliminate microbes. In the light of the above statements, choose the most appropriate answer from the options given below.

• A. Statement I is correct but Statement II is incorrect
• B. Statement I is incorrect but Statement II is correct
• C. Both Statement I and Statement II are correct
• D. Both Statement I and Statement II are incorrect

Question 6 · difficulty L3 · understanding

Math List-I with List-II: List - I List - II (A) Malignant tumors (I) Destroy tumors (B) MALT (II) AIDS (C) NACO (III) Metastasis (D) $$\alpha$$-Interferons (IV) Lymphoid tissue Choose the correct answer from the options given below:

• A. A-III, B-IV, C-II, D-I
• B. A-IV, B-III, C-II, D-I
• C. A-III, B-IV, C-I, D-II
• D. A-III, B-I, C-IV, D-II

Question 7 · difficulty L3 · understanding

Match List I with List II: List - I List - II A. Typhoid I. Fungus B. Leishmaniasis II. Nematode C. Ringworm III. Protozoa D. Filariasis IV. Bacteria Choose the correct answer from the options given below:

• A. A-I, B-III, C-II, D-IV
• B. A-IV, B-III, C-I, D-II
• C. A-III, B-I, C-IV, D-II
• D. A-II, B-IV, C-III, D-I

Question 8 · difficulty L3 · understanding

Match List I with List II : List - I List - II A. Common cold I. Plasmodium B. Haemozoin II. Typhoid C. Widal test III. Rhinoviruses D. Allergy IV. Dust mites Choose the correct answer from the options given below :

• A. A-III, B-IV, C-III, D-I
• B. A-I, B-III, C-II, D-IV
• C. A-III, B-I, C-II, D-IV
• D. A-IV, B-II, C-III, D-I

Question 9 · difficulty L3 · understanding

Match List - I with List - II. List - I List - II (A) Typhoid (I) Protozoan (B) Elephantiasis (II) Salmonella (C) Ringworm (III) Aschelminthes (D) Malaria (IV) Microsporum Choose the correct answer from the options given below :

• A. (A)-(I), (B)-(IV), (C)-(III), (D)-(II)
• B. (A)-(I), (B)-(III), (C)-(IV), (D)-(II)
• C. (A)-(II), (B)-(III), (C)-(IV), (D)-(I)
• D. (A)-(II), (B)-(IV), (C)-(III), (D)-(I)

Question 10 · difficulty L3 · understanding

Which one of the following techniques does not serve the purpose of early diagnosis of a disease for its early treatment?

• A. Serum and Urine analysis
• B. Polymerase Chain Reaction (PCR) technique
• C. Enzyme Linked Immuno-Sorbent Assay (ELISA) technique
• D. Recombinant DNA Technology