A 45-year-old client with a history of type 2 diabetes presents with a leg wound that is moist, red, and has purulent drainage with a foul odor. The nurse is explaining the importance of wound and blood cultures to the client.
Which statement by the nurse provides the most accurate information regarding these diagnostic tests?
"The type of medication the provider prescribes will depend on which infectious agent is identified with this test.”.
"We can skip this test if you prefer and treat with broad-spectrum antibiotics only, which is just as safe.”.
"We can identify the bacteria causing the infection by testing the wound drainage and your blood.”.
"These tests are only necessary if the wound does not begin to heal after one week of topical treatment.”.
The Correct Answer is C
Choice A rationale
This statement is partially true but lacks the comprehensive nature of the physiological explanation. While antibiotics are chosen based on sensitivity, the primary purpose of the culture is to confirm the presence of pathogens and identify them. Identifying the specific infectious agent is the first step in the process. However, this answer focuses more on the provider's prescription habits rather than the fundamental scientific purpose of the diagnostic test itself, which is to identify the underlying causative bacteria.
Choice B rationale
This statement is medically inaccurate and dangerous. Skipping culture tests to rely solely on broad-spectrum antibiotics contributes to the global problem of antibiotic resistance and may fail to treat the specific organism causing the infection. Broad-spectrum therapy is often started empirically, but it is not as safe or effective as targeted therapy. Cultures are essential for "de-escalation," which means switching to a narrow-spectrum antibiotic that is more effective against the specific bacteria identified in the wound.
Choice C rationale
This statement is the most accurate because it correctly identifies the scientific goal of performing both wound and blood cultures. Wound cultures identify local pathogens, while blood cultures determine if those pathogens have entered the systemic circulation, a condition known as bacteremia. Identifying the specific bacteria allows for targeted antibiotic therapy, which is the gold standard for treating infections. This process ensures that the treatment is effective against the actual organisms present, thereby improving the chances of successful wound healing.
Choice D rationale
This statement is incorrect because waiting a week to perform cultures in a patient with purulent drainage and a foul odor could lead to severe complications, including sepsis or osteomyelitis. In a patient with type 2 diabetes, wound infections can progress rapidly due to impaired immune function and poor circulation. Diagnostic cultures should be obtained immediately when signs of infection are present to ensure that appropriate systemic or topical treatment is started without delay, preventing the spread of the infection.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
Choice A rationale
Safety and security needs represent the second level of Maslow's hierarchy, focusing on protection from environmental threats and emotional stability. While important, these needs cannot be effectively addressed if the individual is experiencing physical discomfort or a breach of physiological integrity. In this scenario, the presence of a wet brief primarily affects the skin and physical comfort. Therefore, safety concerns are secondary to the immediate biological requirement for cleanliness and dryness to prevent skin breakdown and infection.
Choice B rationale
Love and belonging needs involve social interactions, friendships, and the feeling of being part of a group. These are higher-level needs that usually emerge once basic survival and safety requirements are satisfied. A client who is physically uncomfortable due to incontinence is unlikely to engage meaningfully in social activities or feel a sense of belonging. The physiological distress caused by the wet brief creates a barrier to social participation, making it necessary to prioritize physical care first.
Choice C rationale
Self-actualization is the highest level of Maslow's hierarchy, representing the fulfillment of one's potential and personal growth. This level of need is only pursued when all other deficiency needs, including physiological and safety needs, have been sufficiently met. A client struggling with the basic physical indignity and discomfort of being in a wet disposable brief is not in a position to pursue self-actualization. Basic hygiene is a fundamental requirement that must be addressed before any cognitive or spiritual growth.
Choice D rationale
According to Maslow's hierarchy of needs, physiological needs are the most basic and must be met first for survival and comfort. These include air, water, food, and elimination. A wet brief compromises skin integrity and causes physical discomfort, which falls under this foundational category. The client cannot focus on higher-level tasks like social interaction or learning until their physical state is stabilized. Ensuring the client is clean and dry is a priority nursing intervention to maintain homeostasis and dignity.
Correct Answer is B
Explanation
Choice A rationale
While it is theoretically possible that clothing was not washed, this is an unlikely primary interpretation in a clinical setting involving an acute fall and a strong odor. In healthcare, a strong smell of urine on a client's person is most frequently a direct sign of recent or chronic leakage. Attributing the smell solely to dirty laundry without considering the client's physical condition might cause the nurse to miss important diagnostic information regarding urinary tract health or mobility.
Choice B rationale
Urinary incontinence is a common issue among older adults, often linked to weakened pelvic floor muscles, medications, or mobility issues like a hip fracture. Many clients feel a significant social stigma or loss of dignity regarding incontinence and may deny it to maintain self-esteem. The nurse should interpret the strong odor as a likely sign of incontinence while remaining empathetic to the client's potential embarrassment, eventually addressing the issue gently to provide necessary care.
Choice C rationale
Older adults generally retain their sense of smell unless they have specific neurological impairments, making it unlikely they are completely unaware of a very strong odor. However, some individuals may experience sensory adaptation to a chronic smell. Even if the client truly did not know, the nurse's priority is to identify the source, which is usually the involuntary release of urine. Assuming total lack of knowledge does not change the clinical management of the suspected incontinence.
Choice D rationale
Interpreting a strong smell on the client's clothing as coming from "somewhere else" is a form of clinical avoidance. If the odor is localized to the client's immediate person and garments, the most logical and evidence-based source is the client themselves. Distracting from the client as the source prevents the nurse from performing a thorough skin assessment and investigating potential causes of incontinence, which are essential steps in the care of an older adult with a fracture.
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