Which of the following functions is associated with the spleen?
Producing coagulation factors
Destroying dying red blood cells
Producing leukocytes before birth
Storing glycogen
The Correct Answer is B
a: Producing coagulation factors - This function is associated more with the liver, which produces various clotting factors involved in the coagulation process.
b. Destroying dying red blood cells: The spleen is primarily involved in the destruction of old or damaged red blood cells. It acts as a reservoir for blood, where it filters out old or abnormal red blood cells, recycling their components and removing any potentially harmful substances.
c: Producing leukocytes before birth - Leukocytes (white blood cells) are primarily produced in the bone marrow, not the spleen.
d: Storing glycogen - Glycogen storage is mainly associated with the liver and muscles, not the spleen.
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Related Questions
Correct Answer is D
Explanation
a. Elastic connective tissue: This tissue contains elastic fibers and fibroblasts, providing elasticity and flexibility but not the tightly packed, parallel collagen fiber arrangement.
b. Dense irregular connective tissue: This tissue has collagen fibers arranged in a random, irregular pattern, providing strength in multiple directions but not the parallel arrangement.
c. Reticular connective tissue: This tissue contains reticular fibers forming a network to support soft organs but does not have densely packed collagen fibers.
d. Dense regular connective tissue: This tissue has fibroblasts packed tightly between parallel arrays of collagen fibers, providing great tensile strength along the direction of the fibers. It is found in tendons and ligaments.
Correct Answer is D
Explanation
a. Carrying oxygenated blood from the heart to the peripheral tissue: This describes the function of systemic arteries, not the pulmonary artery.
b. Carrying deoxygenated blood from the lungs to the heart: This describes the pulmonary veins, not the pulmonary artery.
c. Carrying oxygenated blood from the lungs to the left side of the heart: This describes the function of the pulmonary veins, not the pulmonary artery.
d. Carrying deoxygenated blood from the right side of the heart to the lungs: Correct. The pulmonary artery carries deoxygenated blood from the right ventricle of the heart to the lungs for oxygenation.
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