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.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
a. Sebaceous: Sebaceous glands are located near hair follicles and produce sebum, an oily substance that lubricates the hair and skin, preventing dryness and keeping it supple.
b. Eccrine: Eccrine glands are sweat glands located throughout the skin and help regulate body temperature through sweating.
c. Ceruminous: Ceruminous glands are located in the ear canal and produce cerumen (earwax) which protects the inner ear from dust, debris, and insects.
d. Apocrine: Apocrine glands are sweat glands located in areas like the armpits and groin. They produce a thicker sweat that takes on an odor when broken down by bacteria.
Correct Answer is B
Explanation
a. Buffering mechanism of kidneys and sodium bicarbonate: The buffering mechanism and sodium bicarbonate are involved in pH regulation, not directly in sodium and water balance.
b. Aldosterone and renin excretion: Correct. Aldosterone, a hormone produced by the adrenal cortex, and renin, an enzyme secreted by the kidneys, play crucial roles in regulating sodium and water balance.
c. Production of glucocorticoids and reabsorption of glucose: Glucocorticoids are involved in stress responses and metabolism, while glucose reabsorption relates to energy balance, not specifically sodium and water balance.
d. Intestinal absorption and retention of water: While intestinal absorption is important for overall fluid balance, it is not the primary regulatory mechanism for sodium and water balance in the body, which is primarily controlled by renal and endocrine factors.
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