Which of the following physiological changes in blood chemistry is an indication of acidosis?
Decrease in hydrogen ions
Decrease in carbon dioxide
Decrease in ketones
Decrease in bicarbonate ions
The Correct Answer is D
a. Decrease in hydrogen ions: A decrease in hydrogen ions (H+) would indicate a condition of alkalosis, not acidosis.
b. Decrease in carbon dioxide: A decrease in carbon dioxide (CO2) usually leads to respiratory alkalosis because CO2 is acidic in nature.
c. Decrease in ketones: Ketones are acidic compounds, and their decrease is not associated with acidosis. In fact, an increase in ketones can cause ketoacidosis.
d. Decrease in bicarbonate ions: Bicarbonate (HCO3-) is a base, and a decrease in its concentration can lead to metabolic acidosis, as it reduces the buffering capacity of the blood against excess H+.
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Related Questions
Correct Answer is C
Explanation
a: Adrenal cortex and calcitonin hormone - Calcitonin is primarily secreted by the thyroid gland, not the adrenal cortex.
b: Hypothalamus and prolactin hormone - Prolactin is primarily secreted by the anterior pituitary gland, not the hypothalamus.
c. Anterior pituitary and growth hormone -The anterior pituitary gland secretes growth hormone (GH), which regulates growth, metabolism, and development.
d: Thyroid and thyroid-stimulating hormone - Thyroid-stimulating hormone (TSH) is secreted by the anterior pituitary gland, not the thyroid gland directly.
Correct Answer is C
Explanation
a. Kidneys: Kidney dysfunction can affect waste elimination and fluid balance but does not typically cause yellow sclera.
b. Appendix: The appendix is involved in the immune response and gut flora regulation but not in causing yellow sclera.
c. Liver: Liver dysfunction can lead to jaundice, where bilirubin accumulates in the blood and tissues, causing yellowing of the skin and sclera.
d. Spleen: The spleen is involved in blood filtration and immune response but does not directly cause yellow sclera
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