What is the correct angle to inject into the skin when using an insulin pen?
90 degrees
45 degrees
it doesn't matter
30 degrees
The Correct Answer is A
A. 90 degrees: The recommended angle for subcutaneous injection using an insulin pen is typically 90 degrees, especially with short needles (4–8 mm). This angle ensures the medication is delivered into the subcutaneous tissue rather than intradermally or intramuscularly, which could alter absorption and efficacy.
B. 45 degrees: A 45-degree angle may be used in patients with very little subcutaneous tissue or when using longer needles to avoid intramuscular injection. However, with most insulin pen needles today, 90 degrees is standard practice.
C. It doesn’t matter: The injection angle is critical for ensuring proper subcutaneous delivery. Administering at an incorrect angle could result in intramuscular injection, faster absorption, or tissue damage, so this is unsafe.
D. 30 degrees: Injecting at 30 degrees is generally reserved for intradermal injections, such as tuberculosis testing, and is not appropriate for insulin pen administration. Using this angle could result in improper dosing and reduced effectiveness.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Narcotic counts are completed as infrequently as possible: Infrequent counts increase the risk of drug diversion and make discrepancies harder to detect. Regular, consistent counts are necessary to maintain accountability and prevent unauthorized use of controlled substances.
B. Discrepancies are identified and reported diligently, at the end of each shift: Reporting discrepancies only at the end of the shift may delay intervention and compromise patient safety. Immediate identification and reporting of any irregularities is essential to prevent ongoing diversion.
C. A second RHP witnesses wastage and documents accordingly: Having a second healthcare professional witness the disposal or wastage of controlled substances ensures accountability, provides verification, and significantly reduces the risk of diversion. This practice aligns with regulatory standards for controlled medication management.
D. Narcotic records and co-sign are only required when wastage occurs: Limiting documentation to only wastage events undermines overall accountability. All administration and disposal of controlled substances require proper documentation and co-signature as part of legal and safety protocols.
Correct Answer is ["0.6"]
Explanation
Calculation:
- Identify the ordered dose and available concentration
Ordered Dose: 3 mg
Available Concentration: 5 mg/mL
- Calculate the volume to administer
Volume = Ordered Dose ÷ Concentration
Volume = 3 ÷ 5
= 0.6
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