A nurse is teaching a child with type 1 diabetes mellitus how to self-inject insulin. Which method should she recommend to the child for regular doses?
Intravenously in the chest
Subcutaneously in the outer thigh
Intramuscularly in the abdomen
Intradermally in the outer arm
The Correct Answer is B
A. Insulin is rarely given intravenously except in acute hospital settings (e.g., DKA management) under strict monitoring. IV administration by a child at home is unsafe and inappropriate due to the risk of hypoglycemia, infection, and vascular complications. The chest is also not a recommended site for injections.
B. Subcutaneous injections are the preferred route for regular insulin administration at home. Insulin is absorbed more slowly from subcutaneous tissue, providing a steady onset of action and reducing the risk of rapid hypoglycemia. The outer thigh, abdomen, upper arms, and buttocks are common subcutaneous injection sites, with the outer thigh often recommended for self-injection in children due to accessibility and ease of rotation to prevent lipodystrophy.
C. Intramuscular injections are not recommended for routine insulin administration because absorption is faster and less predictable, increasing the risk of hypoglycemia. The abdomen is not a typical intramuscular injection site; IM insulin injections are generally avoided except in specific clinical settings under supervision.
D. Intradermal injections deliver medication into the dermis, not subcutaneous tissue. This route is used for allergy testing or tuberculosis screening, not for insulin administration, as it does not allow for proper absorption and therapeutic effect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. Minimally invasive surgery is not the standard treatment for plagiocephaly. Surgical intervention is typically reserved for rare, severe, or syndromic cases where conservative measures fail or cranial deformities are extreme. Most infants respond well to non-surgical interventions if identified early.
B. Placing an infant on their back is critical for SIDS prevention, but strict supine positioning can contribute to positional plagiocephaly. Therefore, treatment focuses on repositioning the infant during awake periods, encouraging tummy time, and limiting prolonged supine positioning when the infant is awake and supervised, to promote symmetrical skull growth.
C. Helmet therapy, also called cranial orthosis, is considered the most effective intervention for moderate to severe plagiocephaly. The helmet works by gently guiding skull growth as the infant’s skull is still malleable, usually between 4–12 months of age. Infants typically wear the helmet for 23 hours a day, with adjustments made every few weeks by a specialist to ensure proper fit and effectiveness. This therapy is non-invasive, reduces cranial asymmetry, and avoids the need for surgery in most cases. Parents are also instructed on monitoring skin integrity, proper cleaning, and follow-up appointments to track progress.
D. Hospitalization and surgery are unnecessary for standard positional plagiocephaly. Surgical correction is extremely rare and only indicated for congenital cranial malformations or syndromes that do not respond to conservative management.
Correct Answer is A
Explanation
A. A positive Kernig’s sign (pain and resistance when attempting to extend the knee with the hip flexed) is a classic indicator of meningeal irritation, which, in the presence of fever, headache, neck stiffness, photophobia, and lethargy, strongly suggests meningitis. This finding requires immediate attention because bacterial meningitis can progress rapidly and become life-threatening.
B. While a petechial or purpuric rash may be seen in meningococcal meningitis, a general red raised rash is nonspecific and not the most urgent additional finding compared with a positive Kernig’s sign. Its absence does not rule out meningitis.
C. A negative Brudzinski’s sign (no involuntary hip/knee flexion when the neck is flexed) does not rule out meningitis, especially in early or mild cases. A positive Kernig’s sign is a more sensitive early indicator in this scenario.
D. A negative Babinski’s sign is normal and does not indicate neurological compromise in this context. Its presence or absence is not immediately relevant to the acute presentation of suspected meningitis.
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