A boy who has fractured his forearm is unable to extend his fingers. The nurse knows that this
may indicate damage to the epiphyseal plate.
is normal following this type of injury.
may indicate compartment syndrome.
may indicate fat embolism.
The Correct Answer is C
Compartment syndrome is a condition that can occur following an injury, such as a fracture, where there is increased pressure within a closed space (compartment) in the body. In the case of a forearm fracture, swelling and increased pressure within the compartment can lead to compression of the nerves and blood vessels, resulting in symptoms such as pain, numbness, and decreased function of the affected muscles.
The inability to extend the fingers suggests impairment of the extensor muscles, which are innervated by the radial nerve. If the radial nerve is compressed or injured due to compartment syndrome, it can result in a loss of function in the muscles it innervates, leading to the inability to extend the fingers.
damage to the epiphyseal plate in (option A) is incorrect because it, is not related to the inability to extend the fingers. The epiphyseal plate is the growth plate in long bones, and damage to it would typically affect bone growth rather than finger extension.
, stating that it is normal following this type of injury in (option B), is incorrect. Inability to extend the fingers is not a normal or expected finding after a forearm fracture. It suggests a potential complication or underlying issue.
fat embolism in (option D) is incorrect because it, is unlikely to cause an inability to extend the fingers. Fat embolism occurs when fat globules from a broken bone enter the bloodstream and can lead to respiratory and neurological symptoms, but it would not specifically cause an isolated loss of finger extension.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Hypothyroidismreferstoanunderactivethyroid glandthatdoesnotproduceenoughthyroidhormones. In newborns, this condition is known as congenital hypothyroidism. Thesymptoms mentioned—mottled skin, a large fontanel (soft spot on the baby's head), a largetongue,lethargy, anddifficultyfeeding—arecharacteristic ofhypothyroidism inneonates.
Mottledskincanoccur duetodecreasedcirculationandlow bodytemperatureassociatedwith hypothyroidism. A large fontanel and tongue are common physical features seen ininfants with hypothyroidism. Lethargy and poor feeding are also typical signs of thiscondition.
Hypoglycaemia in (option A) is incorrect because it refers to low blood sugar levels andusuallypresentswithdifferent symptomssuchas jitteriness,tremors,and sweating.
Hypocalcaemia in (option C) is incorrect because it is low calcium levels and can manifestwithsymptoms like muscle cramps, twitching,and seizures.
Phenylketonuria (PKU) in (option D) it is incorrect because it is a metabolic disordercharacterized by the inability to metabolize the amino acid phenylalanine, and it typicallypresentswith differentsymptoms such asintellectual disabilityandamustydoorto theskin.
Therefore, based on the symptoms described, hypothyroidism (B) is the most likely disorderinthisneonate. Itisimportanttoconsultahealthcareprofessionalforaproperdiagnosisandappropriatetreatment.
Correct Answer is A
Explanation
A subdural hematoma is a type of intracranial bleeding that occurs between the dura mater (the
outermost layer of the meninges) and the skull. The dura mater is a tough membrane that covers
and protects the brain. When a subdural hematoma occurs, blood collects between the dura mater
and the skull, resulting in increased pressure on the brain.
Bleeding is generally arterial, and brain compression occurs rapidly in (Option B) is incorrect because
while bleeding in a subdural hematoma can be arterial, it can also be venous. The rate of bleeding
and brain compression can vary depending on the size and severity of the hematoma.
Bleeding occurs between the dura and the cerebrum in (Option C) is incorrect because the bleeding
in a subdural hematoma does not occur between the dura and the cerebrum (the largest part of the
brain). It specifically occurs between the dura and the skull.
The hematoma commonly occurs in the pretemporal region in (Option D) is incorrect because the
location of a subdural hematoma can vary. While pretemporal region is a possible location, subdural
hematomas can occur in different areas of the brain, depending on the site of injury.
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