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 D

Explanation

This condition is an infection of the inner lining of the heart chambers and valves, which can be caused by various microorganisms that enter the bloodstream from different sources. The etiologies listed above are all potential risk factors for developing endocarditis.

A. Hyperglycemia B. Polydipsia C. Weight gain D. Oliguria

Correct Answer is B

Explanation

A. Hyperglycemia: Hyperglycemia is characteristic of diabetes mellitus, not diabetes insipidus. Diabetes insipidus involves an issue with antidiuretic hormone (ADH) and water balance, not glucose regulation.

B. Polydipsia: This is a hallmark symptom of diabetes insipidus. It refers to excessive thirst due to the body’s inability to retain water, leading to dehydration and compensatory increased fluid intake.

C. Weight gain: Weight gain is not typically associated with diabetes insipidus. The condition usually leads to weight loss due to fluid loss.

D. Oliguria: Oliguria (reduced urine output) is the opposite of what occurs in diabetes insipidus. The condition is characterized by polyuria, or excessive urination, due to the kidneys' inability to concentrate urine.

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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?

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Correct Answer is D

Explanation

What is a common characteristic of diabetes insipidus?

Correct Answer is B

Explanation

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