Concept:
CSSD is an important hospital support department responsible for sterilization and supply of sterile equipment and materials.
CSSD stands for:
\[
\text{Central Sterile Supply Department}
\]
Its major functions include:
• Cleaning medical instruments
• Sterilization of equipment
• Packing and storage of sterile supplies
• Distribution of sterile items to hospital departments
Step 1: Analyze option A.
“Central Storage of Supplier Department” is not the correct expansion of CSSD.
Hence, option A is incorrect.
Step 2: Analyze option B.
CSSD correctly stands for Central Sterile Supply Department.
Hence, option B is correct.
Step 3: Analyze option C.
“Complete Security Supply Development” is unrelated to hospital terminology.
Hence, option C is incorrect.
Step 4: Analyze option D.
“Combined Store Supervisor's Department” is not the accepted full form of CSSD.
Hence, option D is incorrect.
Therefore, the correct answer is:
\[
\boxed{(B)\ \text{Central Sterile Supply Department}}
\]