Pharmacy Technician Certification Exam Practice Questions Practice Question

Correct Answer: B

Rationale: Normal Saline (NS) is a solution that contains 0.9% sodium chloride (NaCl), making it isotonic with human blood. This concentration is crucial for maintaining fluid balance in medical settings.

Option A (0.13%) is too low to be effective for intravenous use. Option C (3%) represents a hypertonic solution, which can cause cellular dehydration and is used in specific clinical scenarios, not as standard saline. Option D (23.40%) is excessively concentrated, posing serious risks if administered. Therefore, 0.9% is the appropriate and safe concentration for NS.