(1 point). Listen.
Which of the following laboratory results will the nurse expect to find in a patient who smokes?
Increased LDL level and increased HDL level.
Increased LDL level and decreased HDL level.
Decreased LDL level and decreased HDL level.
Decreased LDL level and increased HDL level.
The Correct Answer is B
Choice A rationale:
This choice is not consistent with the typical laboratory results seen in a patient who smokes. Smoking is known to be a risk factor for cardiovascular disease, and it tends to increase LDL (low-density lipoprotein) levels, which is considered "bad" cholesterol, while also decreasing HDL (high-density lipoprotein) levels, which is considered "good" cholesterol.
Choice C rationale:
Decreased LDL (low-density lipoprotein) levels and decreased HDL (high-density lipoprotein) levels are not the typical findings in a patient who smokes. Smoking is associated with an increase in LDL levels and a decrease in HDL levels.
Choice D rationale:
Decreased LDL (low-density lipoprotein) levels and increased HDL (high-density lipoprotein) levels are not the usual laboratory results in a patient who smokes. Smoking tends to raise LDL levels (considered "bad" cholesterol) and lower HDL levels (considered "good" cholesterol).
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Choice A rationale:
Leptin is a hormone produced by adipose tissue, and it plays a key role in regulating appetite and body weight. In obesity, there is an excessive amount of adipose tissue, leading to an increase in leptin levels. However, despite the higher levels of leptin, obese individuals may become resistant to its effects, leading to a decrease in the body's ability to respond to leptin signals. This condition is known as leptin resistance. Therefore, it is important to understand that obesity can cause a decrease in the effectiveness of leptin, which is critical for appetite regulation and body weight control.
Choice B rationale:
Adiponectin is another hormone produced by adipose tissue, but it has the opposite effect of leptin. Adiponectin levels are typically lower in obese individuals. While it is associated with various metabolic benefits, including improved insulin sensitivity, it doesn't directly decrease due to obesity.
Choice C rationale:
Homocysteine is not directly related to obesity. Homocysteine is an amino acid that is involved in various metabolic processes, and elevated levels are more commonly associated with cardiovascular disease and other health conditions, but not obesity.
Choice D rationale:
C-reactive protein (CRP) is a marker of inflammation in the body. While obesity is associated with chronic inflammation, it doesn't directly cause a decrease in CRP levels. In fact, obesity is more likely to lead to increased CRP levels, indicating higher levels of inflammation in the body.
Correct Answer is D
Explanation
Choice A rationale:
Lithium is not typically prescribed for attention-deficit hyperactivity disorder (ADHD). It's more commonly used for bipolar disorder.
Choice B rationale:
Valproate is not a first-line treatment for ADHD in school-age children. It is used for mood stabilization in conditions like bipolar disorder.
Choice C rationale:
Risperidone is an atypical antipsychotic and is not a first-line treatment for ADHD. It may be used in some cases where there are comorbid behavioral issues, but it's not the initial choice.
Choice D rationale:
Methylphenidate is a commonly prescribed medication for ADHD in school-age children. It is a central nervous system stimulant that helps improve attention and decrease impulsiveness and hyperactivity in those with ADHD.
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