CHT and CHRN Certification Exam Practice Book

Deborah A. Sheffield & Robert B. Sheffield

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CHT and CHRN Certification Exam Practice Book, 3rd Edition

Title: CHT and CHRN Certification Exam Practice Book, 3rd Edition
Author: Deborah A. Sheffield, MSN, APRN, CHRN; Robert B. Sheffield, BA, CHT
ISBN: 978-0-578-20374-4
Publisher: International ATMO, Inc., San Antonio, Texas
Edition: 3rd Edition (2018)
Description: Softcover
Pages: 210

This book was created specifically to help you prepare for the Certified Hyperbaric Technologist (CHT) or Certified Hyperbaric Registered Nurse (CHRN) exam.  Unlike other study materials on the market, the authors are experienced in hyperbaric medicine and hold the CHT and CHRN certifications. It contains more than 450 sample questions, with the correct answer and rationale.  The book teaches relevant information likely to be on the exam through question and answer format. Rationale is given for right and wrong answers; and background knowledge is given in the rationale. Also included are test-taking skills and strategies.

Table of Contents

  • How to Use This Book
  • What You Need to Know About the CHT/CHRN Exam
  • How to Prepare for the Exam
  • How to Deal with Questions on the Exam
  • How to Manage your Time
  • How to Manage Stress
  • References Used in this Book
  • Study Questions
    • Physicis
    • Barotrauma
    • Decompression Theory
    • Decompression Tables
    • Therapeutic Mechanisms of HBO
    • Treatment Indications and Profiles
    • Equipment
    • Patient and Staff Safety
    • Transcutaneous Oximetry
  • Blank Answer Sheet
  • Charts from the US Navy Diving Manual

The 3rd Edition contains a new Terminology section:

  • Anatomical diagram
  • Ear anatomy diagram
  • Medical terminology
  • Gas terminology
  • Diving terminology
  • Hyperbaric equipment terminology


Deborah A. Sheffield, MSN, APRN, CHRN
Family Nurse Practitioner
CHRN # 0057

Robert B. Sheffield, BA, CHT
Director of Education, International ATMO
CHT # 0068