Questions:
2)
"Existing treatments for MDR-TB are often highly toxic and poorly tolerated, placing patients at high risk of disability and death and curing them only about half the time."

What is suggested by the phrase describing MDR-TB treatments as "highly toxic and poorly tolerated"?
A) that the treatments are not that serious an issue.
B) that the treatments cause minor discomfort for many
C) that the treatments are painful and sometimes deadly
D) that the treatments are often inconveniently administered
3)
Which would qualify as a euphemism for the main topic of this passage, the spread of MDR-TB?
A) the global pandemic
B) the uncomfortable situation
C) the potential health disaster
D) the dangerous global health threat
4)
"The study is comparing the safety and efficacy of a new MDR-TB drug, delamanid, with the decades-old TB drug isoniazid for preventing active MDR-TB disease in children, adolescents and adults at high risk who are exposed to adult household members with MDR-TB."

What does the word efficacy mean in the context of this sentence?
A) failing to accomplish any desired results
B) an estimate of the cost of a rare commodity
C) located in a far away from a useful location
D) the ability to produce a desired result or effect
5)
"Most household members of people with MDR-TB are likely to acquire latent TB infection, in which the bacterium Mycobacterium tuberculosis lives in the body without making a person sick."
Which reference source would be most useful if you wanted to know the definition of the word "latent" as it is used in this passage?
A) a text book
B) a thesaurus
C) a dictionary
D) an online encyclopedia