BHS Study Guide 2026
Everything you need to pass the BHS exam in one place: the exam format, every topic to study, real practice questions with explanations, flashcards, and full-length practice tests. Free, no sign-up needed.
📋 BHS Exam Format at a Glance
📚 BHS Topics to Study (51)
✍️ Sample BHS Questions & Answers
1. What is the 'therapeutic index' of a drug?
The therapeutic index (TI) is the ratio of the toxic dose to the effective dose, indicating how safe a drug is; a narrow TI requires careful monitoring.
2. Berkson's bias is a type of selection bias that occurs in:
Berkson's bias arises when hospital controls have different exposure rates than the general population, distorting associations.
3. Which model of care delivery assigns one nurse to oversee total care for a set group of patients throughout a shift?
Primary nursing assigns one registered nurse responsibility for the complete care of a group of patients, promoting continuity and accountability.
4. Which measure of association is most commonly reported in a cohort study?
Relative risk (risk ratio) compares incidence rates between exposed and unexposed groups and is directly calculable in cohort studies.
5. Which of the following best describes 'upstream' interventions in public health?
Upstream interventions target the social, economic, and environmental conditions that fundamentally drive health disparities and disease.
6. What does the acronym HIPAA stand for in US healthcare?
HIPAA stands for the Health Insurance Portability and Accountability Act, which protects patient health information privacy.