Which of the following is a true statement
Hypoventilation causes hypocapnia
Hyperventilation causes hypercapnia
Hyperventilation causes hypocapnia
Hyperventilation results in an increased PaCO2
The Correct Answer is C
Hyperventilation refers to an increased rate and depth of breathing, which results in excessive elimination of carbon dioxide (CO2) from the body. Carbon dioxide is an acidic gas that helps regulate the pH of the blood. When too much CO2 is lost through hyperventilation, it causes a decrease in the partial pressure of carbon dioxide in the blood (PaCO2), leading to a condition called hypocapnia.
Hypocapnia can cause symptoms such as lightheadedness, dizziness, and tingling in the fingers and toes.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
Primary hypertension, also known as essential hypertension, refers to high blood pressure that has no identifiable underlying cause. Risk factors for developing primary hypertension include a family history of hypertension, age, obesity, smoking, sedentary lifestyle, stress, and certain dietary factors.
Specifically, diabetes mellitus is a risk factor for hypertension due to the effects of insulin resistance and hyperinsulinemia on the blood vessels, as well as the increased prevalence of obesity and other comorbidities. Moderate alcohol consumption (up to 1 drink per day for women and up to 2 drinks per day for men) may actually have a protective effect against hypertension, but excessive alcohol intake can raise blood pressure and contribute to the development of hypertension.
Asian race is not a significant risk factor for primary hypertension, although there may be differences in the prevalence and severity of hypertension among different racial and ethnic groups.
Correct Answer is C
Explanation
Orthostatic hypotension is a drop in blood pressure that occurs when a person stands up from a sitting or lying down position. To check for orthostatic hypotension, the nurse typically takes the patient's blood pressure and heart rate while the patient is lying down, then has the patient stand up for a few minutes and takes the blood pressure and heart rate again. If the blood pressure drops significantly (usually a drop of 20 mm Hg or more) and the heart rate increases, it may indicate orthostatic hypotension.
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