A nurse is caring for a client who is scheduled for a bone marrow aspiration. The client asks the nurse about the sites the provider might use for the procedure. Which of the following locations should the nurse identify as one of the sites used for this procedure?
ribs
humerus
femur
Iliac crest
The Correct Answer is D
A. Ribs: Ribs are not typically used for bone marrow aspiration procedures due to the difficulty of accessing bone marrow in this area.
B. Humerus: While bone marrow aspiration can technically be performed in the humerus (upper arm bone), it is not commonly used as a primary site because other sites like the iliac crest offer easier access and a larger volume of bone marrow.
C. Femur: The femur (thigh bone) is a potential site for bone marrow aspiration, especially in certain situations or specific patient populations. However, it is less commonly used compared to the iliac crest.
D. Iliac crest: The iliac crest is a primary site for bone marrow aspiration due to its accessibility, the relatively low risk of complications, and the ability to obtain an adequate sample of bone marrow for diagnostic purposes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Sinus bradycardia: Sinus bradycardia is characterized by a regular rhythm with a heart rate less than 60 beats per minute. In this case, the heart rate is 64 beats per minute, which falls within the normal range, not consistent with sinus bradycardia.
B. Sinus arrhythmia: Sinus arrhythmia typically presents as a variation in the R-R interval with respiration, often seen as an irregularity in the heart rate. The provided characteristics describe a regular rhythm, so sinus arrhythmia is not the correct interpretation.
C. Sinus tachycardia: Sinus tachycardia is characterized by a regular rhythm with a heart rate greater than 100 beats per minute. The heart rate in this case is 64 beats per minute, which is not indicative of sinus tachycardia.
D. Normal sinus rhythm: Normal sinus rhythm refers to a regular rhythm with a heart rate between 60 and 100 beats per minute, P waves preceding each QRS complex, a normal PR interval (0.12 to 0.20 seconds), and normal QRS complex duration (less than 0.12 seconds). The provided characteristics, including regular P waves, regular QRS complexes, a PR interval of 0.16 seconds, and a heart rate of 64 beats per minute, align with a normal sinus rhythm interpretation.
Correct Answer is ["1"]
Explanation
If the nurse needs to administer vancomycin 500 mg PO daily divided into four equal doses, and the available capsules are vancomycin 125 mg each, the nurse would administer:
500 mg total daily dose ÷ 4 doses = 125 mg per dose
Since each capsule contains 125 mg of vancomycin, the nurse would administer 1 capsule with each dose.
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