The nurse is planning to administer a tuberculin test with a 27-gauge, 5/8-inch needle. At which angle will the nurse insert the needle?
15 degree
90 degree
30 degree
45 degree
The Correct Answer is A
A. The tuberculin test is administered intradermally, and the needle should be inserted at a 15-degree angle to ensure the medication is delivered just under the surface of the skin.
B. A 90-degree angle is used for intramuscular injections, not for intradermal tests like the tuberculin test.
C. A 30-degree angle is commonly used for subcutaneous injections and is too deep for an intradermal injection.
D. A 45-degree angle is also used for subcutaneous injections but is not suitable for intradermal injections.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Ventricular filling time and diastolic filling time are not formulas used to calculate cardiac output; they pertain to the phases of the cardiac cycle.
B. Cardiac output is calculated by multiplying stroke volume (the amount of blood ejected by the heart with each beat) by heart rate (the number of beats per minute). This formula accurately reflects the overall volume of blood the heart pumps in one minute.
C. Myocardial contractility and myocardial blood flow are important factors in cardiac function but do not directly provide a formula for calculating cardiac output.
D. Preload and afterload are factors that affect stroke volume but are not used to calculate cardiac output directly.
Correct Answer is B
Explanation
A. While the patient may have been in a life-threatening situation, this point is not necessarily a direct indictment of the nurse’s actions but rather a justification for performing CPR.
B. The prosecution will likely focus on whether the CPR was performed according to accepted standards of care. If it can be shown that the technique was inappropriate or negligent, this would support the claim of malpractice.
C. Performing CPR according to policy may serve as a defense for the nurse, emphasizing adherence to established protocols.
D. While it is true that older adults with brittle bones may be at risk for fractures, this is a known risk of CPR, and the prosecution will aim to demonstrate specific negligence or failure in technique rather than just acknowledging inherent risks.
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