An increase of which of the following is a characteristic of respiratory alkalosis?
K+
HCO3
pH
Ca2+
The Correct Answer is C
A. K+ levels typically decrease in respiratory alkalosis due to cellular shifts in potassium as the body compensates for the pH change.
B. HCO3 (bicarbonate) levels initially decrease as a compensatory mechanism to counteract the increased pH, but it is not a direct characteristic of respiratory alkalosis.
C. pH increases in respiratory alkalosis as a result of hyperventilation, which causes excessive exhalation of CO2, leading to a higher blood pH (alkalosis).
D. Ca2+ (calcium) levels can be affected by pH changes, but a decrease in ionized calcium is more commonly seen in alkalosis, not an increase.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. The parathyroid glands regulate calcium and phosphate levels in the blood through the release of parathyroid hormone (PTH), not testosterone.
B. The anterior pituitary gland regulates the release of testosterone through the secretion of luteinizing hormone (LH), which stimulates the testes to produce testosterone. This is the correct gland involved in testosterone regulation.
C. The posterior pituitary releases hormones like oxytocin and antidiuretic hormone (ADH), but it does not regulate testosterone production.
D. The thyroid gland is responsible for regulating metabolism through thyroid hormones (T3 and T4), not testosterone.
Correct Answer is C
Explanation
A. Suppressed red blood cell count is typically associated with conditions like anemia or bone marrow issues, not directly with pancreatic dysfunction.
B. Elevated cholesterol levels may result from metabolic conditions, but they are not a primary consequence of pancreatic dysfunction.
C. Elevated blood sugar is a primary result of pancreatic dysfunction, especially in cases like diabetes mellitus, where the pancreas does not produce enough insulin or the body becomes resistant to insulin.
D. Suppressed immune system is not a direct result of pancreatic dysfunction. However, chronic conditions such as diabetes can affect immune function over time, but it is not the primary effect.
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