Which of the following prefixes means after or behind?

Which of the following suffixes means pain?

Which of the following parts of a medical term gives the word its main meaning?

Which of the following word roots means stomach?

The microscope was invented in the mid 1800s.

In a proportion, the numerator and denominator do not necessarily have a specific relationship.

Coherence refers to which guideline of Hill’s Causality criteria?

200 people were screened for disease Y using a new rapid test and then tested with a gold standard for confirmation. The table below shows the results   Gold standard Disease + Gold standard Disease –   New Test + 50 35 85 New Test – 20 95 115   70 130 200 Which of the following is the negative predictive value of the test?

Which of the following involves the formal adoption of the policies, programs, and procedures that are designed to protect society from public health hazards?

200 people were screened for disease Y using a new rapid test and then tested with a gold standard for confirmation. The table below shows the results   Gold standard Disease + Gold standard Disease –   New Test + 50 35 85 New Test – 20 95 115   70 130 200 Which of the following is the number of false-positives: