Skip to main content
U.S. flag

An official website of the United States government

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

TSD / Cataloging and Metadata Management: Fundamentals of the NLM® Classification

Module 6 - Review Questions

Page 1 of 1


Use the NLM Classification to determine the appropriate class number for the following sets of subject headings and publication types:


1. 650 12 Fluoxetine $x therapeutic use
   650 22 Depression $x drug therapy
   655 _2 Statistics





2. 650 12 $a Quality of Health Care
   655 _2 $a Handbooks





3. 650 12 Geriatrics
   651 _2 United States
   655 _2 Directory




4. 650 12 Orthodontics
   655 _2 Atlases





5. 650 12 $a Neoplasms $x epidemiology
   655 _2 $a Statistics




Last Reviewed: April 16, 2021