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 $a Anxiety Disorders
    650 22 $a Child

WS 350.6-Incorrect.
WM 172-Correct.
WS 463-Incorrect.

2. 650 12 $a Pancreatic Neoplasms $x surgery

WI 810-Correct.
WI 830-Incorrect.
QZ 268-Incorrect.
WO 500-Incorrect.

3. 650 12 $a Pharmacy $x ethics

QV 704-Incorrect.
WB 60-Incorrect.
QV 21-Correct.

4. 650 12 $a Chronic Disease
    655 22 $a Aged
    655 _2 $a Nurses’ Instruction

WY 152-Incorrect.
WT 500-Correct.

5. 650 12 $a Rats $x anatomy & histology

QL 737.R666-Correct.
QY 60.R6-Incorrect.
QS 124-Incorrect.