Student LoginEnroll Now

Instrument Specialist Prep

You know your trays. Are you ready for the CIS exam?

Compare look-alike instruments, test yourself on 150 CIS questions with answer explanations, and revisit what you missed in 25 chapter study guides.

Get CIS Prep See what’s included

$149 one payment 12 months of access

Separate purchase for all students, including current TSP students.

Middle-ear microsurgery
Side view of a tip angled at 45 degrees. A magnified face view shows two sets of crossing grooves that form diamonds.A single-ended hand instrument with a slender shaft offset from the handle and a small angled tip.
Question 1 of 2Which middle-ear instrument has this working end?
TSP illustration · Working end enlarged for detail

Choose your focus

Instrument identification

Study instrument photographs and compare look-alikes. Look closely at the tips, jaws and handles that distinguish one instrument from another.

Explore instruments

CIS Practice Library

Work through 150 questions on instrumentation. After you answer, read the rationale to understand which detail determines the correct choice.

Practice questions

CIS Study Guides

Study one of 25 chapters in depth, or choose a CIS exam domain and find the chapters that cover it. Original illustrations bring the instrument details into view.

Browse study guides