The Results of a Case‐control Study Showed a Strong and Statistically

question 6

Multiple Choice

The results of a case‐control study showed a strong and statistically significant association between high triglyceride levels and heart attack that persisted after
Adjusting for age, sex, gender and blood cholesterol levels so the investigators
Concluded that the relationship was causal.This conclusion is:

• A)Justified because the association did not change when the investigators adjusted for possible confounders
• B)Justified because the association was statistically significant
• C)Justified because the association was strong
• D)Not justified because the groups were not matched for potential confounders
• E)Not justified because having a heart attack might lead to increased triglyceride levels

---

Definitions:

Adenine Nucleotides

Organic molecules that form the building blocks of DNA and RNA and include adenine as their base, playing a key role in energy transfer within cells.

pre-mRNAs

The precursor mRNA transcripts that are synthesized from DNA and contain both introns and exons, which are modified and spliced to form mature mRNA.

Phosphate Group

A functional group consisting of a phosphorus atom covalently bonded to four oxygen atoms, important in energy transfer and storage.

Promoter Sequence

A specific region of DNA upstream of a gene that binds RNA polymerase and initiates transcription of the gene.