What forms the basis of lymphatic fluid?
Chyle
Secretions of lymph nodes
Plasma
MALT
The Correct Answer is C
A. Chyle is a type of lymphatic fluid rich in fats absorbed from the intestines, but it is not the primary basis of all lymphatic fluid.
B. Secretions of lymph nodes contribute immune cells and filtering functions but do not form the main component of lymph.
C. Plasma is the correct answer. Lymphatic fluid originates from interstitial fluid, which in turn is derived from plasma that leaks out of capillaries. This fluid enters the lymphatic system and becomes lymph.
D. MALT (Mucosa-associated lymphoid tissue) is involved in immune responses in mucosal membranes but does not form the basis of lymphatic fluid.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
The right lymphatic duct drains lymph from the right side of the head, neck, right arm, and right side of the chest, including the right breast (right mammary vessels).
A. Right Tibial vessels drain lymph from the lower legs, which eventually drains into the thoracic duct, not the right lymphatic duct.
B. Right iliac vessels drain lymph from the pelvic region and also empty into the thoracic duct, not the right lymphatic duct.
D. Right femoral vessels drain lymph from the lower limbs, and their lymph also eventually drains into the thoracic duct.
Correct Answer is A
Explanation
A. Lacteals are specialized lymphatic capillaries located in the villi of the small intestine. They absorb digested fats (in the form of chylomicrons) and transport them into the lymphatic system, eventually entering the bloodstream.
B. Peyer patches are clusters of lymphoid tissue found in the small intestine, important for immune surveillance, but they are not involved in fat absorption.
C. Kupffer cells are specialized macrophages in the liver that filter blood, not involved in lymphatic fat transport.
D. Lymph capillaries generally collect interstitial fluid to form lymph, but lacteals are the specific type of lymph capillary responsible for absorbing dietary fats.
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