AIDS and cancer — practice questions

Question 1 · difficulty L1 · recall

Which virus causes AIDS?

• A. HBV
• B. HIV
• C. Influenza virus
• D. Rhinovirus

Question 2 · difficulty L2 · understanding

Neoplastic characteristics of cells refer to: A. A mass of proliferating cell B. Rapid growth of cells C. Invasion and damage to the surrounding tissue D. Those confined to original location Choose the correct answer from the options given below:

• A. A, B, D only
• B. B, C, D only
• C. A, B only
• D. A, B, C only

Question 3 · difficulty L3 · understanding

Which are correct: A. Computed tomography and magnetic resonance imaging detect cancers of internal organs. B. Chemotherapeutics drugs are used to kill non-cancerous cells. C. $\alpha$-interferon activate the cancer patients' immune system and helps in destroying the tumour. D. Chemotherapeutic drugs are biological response modifiers. E. In the case of leukaemia blood cell counts are decreased. Choose the correct answer from the options given below:

• A. C and D only
• B. A and C only
• C. B and D only
• D. D and E only

Question 4 · difficulty L3 · application

Why does HIV infection make a person increasingly vulnerable to opportunistic infections?

• A. It strengthens all innate barriers
• B. It permanently increases antibody production
• C. It reduces helper T-cell function
• D. It converts bacteria into viruses

Question 5 · difficulty L5 · analysis

A tumour remains localised and does not invade neighbouring tissues. Which description is most appropriate?

• A. It is an autoimmune lesion
• B. It is necessarily metastatic
• C. It must be caused by HIV
• D. A benign tumour