What is caused by an obstruction in the lymphatic system leading to an accumulation of fluid in one or more lymph nodes?

Lymphadenitis

Lymphedema

Lymphocytosis

Lymphoma

Answer and Explanation

The Correct Answer is B

Lymphedema is a chronic condition that occurs when the lymphatic system is impaired and cannot drain excess fluid from the tissues, resulting in swelling and discomfort in one or more limbs or body parts. It can be caused by an obstruction in the lymphatic system due to surgery, radiation therapy, infection, injury, or congenital malformation.

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Correct Answer is B

Explanation

Parathyroid hormone (PTH) is a hormone produced by the parathyroid glands, which are located behind the thyroid gland in the neck. PTH regulates the calcium levels in the blood by stimulating the release of calcium from the bones, increasing the absorption of calcium from the intestines, and decreasing the excretion of calcium from the kidneys. When the calcium levels in the blood are low, PTH is secreted to raise them back to normal.

A. Less H and HCO3 form, increasing the blood's pH. B. More H and HCO3 form, increasing the blood's pH. C. Less H and HCO3- form, decreasing the blood's pH. D. More H and HCO3 form, decreasing the blood's pH.

Correct Answer is D

Explanation

More H and HCO3 form, decreasing the blood's pH.

Rationale: Hypoventilation is a condition where the breathing rate is too slow or shallow, resulting in insufficient removal of carbon dioxide (CO2) from the body. CO2 reacts with water (H2O) to form carbonic acid (H2CO3), which can dissociate into hydrogen ions (H+) and bicarbonate ions (HCO3-). Therefore, when CO2 accumulates in the blood due to hypoventilation, more H2CO3 is formed, which lowers the blood's pH by increasing the concentration of H+ and HCO3-.

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What is caused by an obstruction in the lymphatic system leading to an accumulation of fluid in one or more lymph nodes?

Nursing Test Bank

Naxlex Comprehensive Predictor Exams

Which hormone is secreted in response to low levels of calcium in the bloodstream?

Correct Answer is B

Explanation

How does hypoventilation affect the blood's pH?

Correct Answer is D

Explanation

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