A nurse is caring for a child who was admitted with suspected rheumatic fever. The provider prescribes an antistreptolysin O (ASO) titer. The parent asks the nurse about the purpose of the test. Which of the following responses should the nurse make?
"This test will indicate if your child has rheumatic fever."
"This test will confirm if your child had a recent streptococcal infection."
"This test will indicate if your child has a therapeutic blood level of an aminoglycoside."
"This test will confirm if your child has immunity to streptococcal bacteria."
The Correct Answer is B
Choice A: This test will not indicate if the child has rheumatic fever, as rheumatic fever is a complication of an untreated or inadequately treated streptococcal infection that affects the heart, joints, skin, and brain. Rheumatic fever is diagnosed based on clinical criteria, such as carditis, polyarthritis, chorea, erythema marginatum, and subcutaneous nodules.
Choice B: This test will confirm if the child had a recent streptococcal infection, as antistreptolysin O (ASO) is an antibody that the body produces in response to streptococcal bacteria. A high ASO titer indicates that the child was exposed to streptococcal bacteria within the past few weeks. A streptococcal infection can cause pharyngitis, tonsillitis, scarlet fever, or impetigo.
Choice C: This test will not indicate if the child has a therapeutic blood level of an aminoglycoside, as an aminoglycoside is a type of antibiotic that is used to treat serious bacterial infections. A therapeutic blood level of an aminoglycoside means that the drug is effective and safe in the body. A therapeutic blood level of an aminoglycoside is measured by a peak and trough level.
Choice D: This test will not confirm if the child has immunity to streptococcal bacteria, as immunity to streptococcal bacteria means that the body can resist or fight the infection. Immunity to streptococcal bacteria can be acquired by natural exposure or vaccination. Immunity to streptococcal bacteria is measured by an antibody titer or a skin test.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A: Cranberry juice is not a suitable fluid item to offer the child at this time, as it is acidic and can irritate the throat and cause pain or bleeding. Cranberry juice can also stain the surgical site and make it difficult to assess for signs of hemorrhage.
Choice B: Crushed ice is a suitable fluid item to offer the child at this time, as it is cold and can soothe the throat and
reduce swelling or inflammation. Crushed ice can also hydrate the child and prevent dehydration.
Choice C: Orange juice is not a suitable fluid item to offer the child at this time, as it is acidic and can irritate the throat and cause pain or bleeding. Orange juice can also interfere with the clotting process and increase the risk of hemorrhage.
Choice D: A strawberry milkshake is not a suitable fluid item to offer the child at this time, as it contains dairy products and can increase mucus production and cause coughing or gagging. A strawberry milkshake can also stain the surgical site and make it difficult to assess for signs of hemorrhage.
Correct Answer is A
Explanation
Choice A: Using a pincer grasp indicates a need for further evaluation, as it is a developmental milestone that is usually achieved by 9 to 10 months of age. A pincer grasp is the ability to pick up small objects using the thumb and index finger. A 7-month-old infant should be able to use a raking grasp, which is the ability to scoop up objects using all fingers.
Choice B: Having a fear of strangers does not indicate a need for further evaluation, as it is a normal and expected behavior for a 7-month-old infant. A fear of strangers is a sign of attachment and recognition of familiar and unfamiliar faces. A 7-month-old infant may cry, cling, or turn away from strangers.
Choice C: Showing preferences towards foods does not indicate a need for further evaluation, as it is a normal and expected behavior for a 7-month-old infant. Showing preferences towards foods is a sign of individuality and taste development. A 7-month-old infant may accept or reject certain foods based on their flavor, texture, or appearance.
Choice D: Babbling one-syllable sounds does not indicate a need for further evaluation, as it is a normal and expected behavior for a 7-month-old infant. Babbling one-syllable sounds is a sign of language and communication development. A 7-month-old infant may make sounds such as "ba", "da", "ga", or "ma".
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