Which of the following is not a function of the spleen?
Chyle drainage
Blood filtration
Destruction of old red blood cells
Blood storage
The Correct Answer is A
A. Chyle drainage is not a function of the spleen. Chyle, a milky fluid rich in fats absorbed from the intestines, is transported by the lymphatic system — specifically through structures like lacteals and the thoracic duct — not the spleen.
B. Blood filtration is a key function of the spleen, as it removes pathogens and debris from the blood.
C. Destruction of old red blood cells occurs in the spleen, which acts as a graveyard for aging or damaged red blood cells.
D. Blood storage is also a spleen function; it can store blood and release it in case of hemorrhage or increased demand.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. GALT stands for Gut-Associated Lymphoid Tissue, which refers to lymphoid tissue found in the gastrointestinal tract, including structures like Peyer's patches and the appendix, that play a role in immune defense.
B. Lacteals are specialized lymphatic capillaries found in the small intestine, responsible for absorbing digested fats, not lymphoid tissue.
C. Kupffer cells are macrophages located in the liver, responsible for filtering the blood, not in the gastrointestinal tract.
D. MALT stands for Mucosa-Associated Lymphoid Tissue, which refers to lymphoid tissue found in mucosal membranes throughout the body, including the gastrointestinal tract, but GALT is the specific term for lymphoid tissue in the gut.
Correct Answer is A
Explanation
A. Hodgkin disease (also known as Hodgkin lymphoma) is a type of cancer that originates in the lymph nodes. It is characterized by the presence of Reed-Sternberg cells, a specific type of abnormal cell found in the lymphatic tissue.
B. Benign tumors of the spleen are not associated with Hodgkin disease.
C. A malignant tumor of the spleen refers to cancers like splenic lymphoma or metastasis from other organs, but this is not Hodgkin disease.
D. A benign tumor of the lymph nodes is not the correct description for Hodgkin disease, as it is a malignant (cancerous) condition.
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