Question

Quality assurance (QA) differs from quality control because QA focuses on _______

• A. Testing finished products
• B. Rejecting batches
• C. Building quality into processes
• D. Calibrating instruments

Hint:

QA prevents quality problems by improving processes, while QC detects quality problems by testing products.

Answer 1

The Correct Option is C

Concept:
Quality Assurance and Quality Control are related but different concepts.

Step 1: Quality Control.
Quality Control mainly checks finished products or samples to confirm whether they meet required specifications.

Step 2: Quality Assurance.
Quality Assurance is broader. It focuses on systems, procedures, documentation, and processes to ensure quality is built into the product from the beginning.

Step 3: Main difference.
QA is preventive, while QC is mainly detective.

Step 4: Final answer.
Hence, QA focuses on building quality into processes. \[ \boxed{\text{Building quality into processes}} \]