Emergency Response & Critical Care Flashcards
7 cards from real Radiation Health and Safety Test practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 7 Emergency Response & Critical Care flashcards as text
Which timing of vomiting after exposure suggests a higher radiation dose?
Answer: Vomiting within 1 hour
Earlier onset of vomiting correlates with a higher absorbed dose.
What is the standard adult dose of potassium iodide for thyroid blocking?
Answer: 130 mg
FDA recommends 130 mg for adults; lower doses apply to children and infants.
When is KI most effective?
Answer: Before or immediately after exposure to radioiodine
Thyroid blocking works best if given just before or within hours of radioiodine intake.
Which is a concern with Ca-DTPA compared with Zn-DTPA?
Answer: It can deplete trace metals such as zinc and is avoided in pregnancy
Ca-DTPA is more effective early but depletes essential minerals and is teratogenic.
What are the leading causes of death in hematopoietic ARS?
Answer: Infection and hemorrhage
Marrow failure causes neutropenia and thrombocytopenia, leading to sepsis and bleeding.
Which test is the gold standard for biodosimetry of radiation exposure?
Answer: Dicentric chromosome assay
The dicentric chromosome assay in lymphocytes provides the most accurate dose estimate.
REAC/TS provides which type of support in a radiation emergency?
Answer: 24-hour medical consultation and assistance
The Radiation Emergency Assistance Center/Training Site offers around-the-clock medical advice for radiation incidents.
How this page was made: written with AI tools and published by Nathan Beja, founder of Practice Test Geeks, who is responsible for its content. Exam facts are checked against the official sources listed below. Not reviewed by a subject-matter expert. Editorial policy
Sources & references
Exam facts on this page (fees, format, dates, passing scores) are checked against these official sources; the date is our last check. Editorial policy
- danbsfprodassets.azureedge.net — Retake policy, fees, registration deadline, test dates, test delivery, eligibility, exam format, passing score, score release, time limit · verified Nov 2026