Clinical Procedures and Patient Care Flashcards
6 cards from real SCMA practice questions. Tap to flip, then mark Knew It or Still Learning — missed cards come back until you master them.
Read the first 6 Clinical Procedures and Patient Care flashcards as text
Which method is used to obtain a urine specimen that minimizes contamination from the external genitalia?
Answer: Clean-catch midstream collection
Clean-catch midstream collection reduces external contamination by cleaning the genital area and discarding initial urine before collecting the specimen.
When performing a venipuncture, which vein is most commonly used for blood draws in adults?
Answer: Median cubital vein
The median cubital vein in the antecubital fossa is the preferred site due to its large size, stability, and accessibility.
What is the purpose of applying a tourniquet before venipuncture?
Answer: To distend the veins and make them more accessible
A tourniquet temporarily restricts venous blood return, causing veins to engorge and become more visible and palpable for needle insertion.
Which tube color is used for a complete blood count (CBC) collection?
Answer: Lavender/purple top (EDTA)
The lavender/purple top tube contains EDTA anticoagulant, which preserves cell morphology and is required for CBC analysis.
When administering an intradermal injection for a tuberculosis (TB) skin test, what is the correct angle of needle insertion?
Answer: 10-15 degrees
Intradermal injections are administered at a 10-15 degree angle to deposit the medication just beneath the skin surface, creating a visible wheal.
How long should a medical assistant apply pressure to a venipuncture site after needle withdrawal?
Answer: 1-2 minutes or until bleeding stops
Pressure should be applied for 1-2 minutes or until bleeding stops to promote clot formation and prevent hematoma formation.
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