The nurse plans to collect a sputum specimen from a client for laboratory diagnosis after the client awakens. Which of the following reasons explains the nurse's choice of an early morning collection?
A) Prevents contamination of specimen
B) Ensures more mucus is available
C) Removes food residue and microorganisms
D) Mobilizes secretions from the lower airway
B
Feedback:
The nurse should plan to collect a sputum specimen just after a client awakens or after an aerosol treatment as this timing ensures that more mucus is available or is in a thin state. Encouraging the client to rinse his mouth with tap water removes some microorganisms and food residue. Collecting sputum in a sterile sputum specimen cup prevents contamination of the specimen. Instructing the client to take deep breaths, attempt a forceful cough, and expectorate into the specimen container helps to mobilize secretions from the lower airway.
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