A medical assistant should recognize that which of the following procedures is usually performed by a registered nurse?
Administering IV medication
Performing a heel stick on an infant
Drawing blood for a glucose tolerance test
Performing venipuncture with a winged collection device
The Correct Answer is A
A. Administering IV medication: Administering intravenous (IV) medication is typically within the scope of practice for registered nurses (RNs) due to the complexity and need for careful monitoring.
B. Performing a heel stick on an infant: This procedure is often performed by medical assistants, especially in a pediatric setting, as it is part of routine blood collection practices.
C. Drawing blood for a glucose tolerance test: Medical assistants are usually trained to perform blood draws, including for glucose tolerance tests.
D. Performing venipuncture with a winged collection device: Medical assistants are generally trained to perform venipunctures, including using winged collection devices (butterfly needles)
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Correct Answer is B
Explanation
A. Culture tube: A culture tube is used for specific tests to collect microbiological samples, not routinely required for all venipunctures.
B. Biohazard container: A biohazard container is essential for the safe disposal of used needles and other sharp objects to prevent contamination and injury.
C. Sterile specimen cup: A sterile specimen cup is used for collecting urine samples or other specimens, not required for routine venipuncture.
D. Lancet: A lancet is used for capillary blood draws, not for routine venipuncture.
Correct Answer is B
Explanation
A. C-reactive protein (CRP): CRP is typically tested using a serum sample collected in a gold or red-top tube, not a light blue tube.
B. Partial thromboplastin time (PTT): PTT is a coagulation test that requires a light blue top tube containing sodium citrate, which acts as an anticoagulant. This tube is specifically used for coagulation studies.
C. Glucose: Glucose levels are commonly measured using a gray-top tube containing sodium fluoride to inhibit glycolysis, not a light blue tube.
D. Lactate: Lactate levels are typically measured using a gray-top tube or green-top tube, depending on the specific protocol, not a light blue tube.