Which of the following is a protein present in blood plasma?
Monocytes
Platelets
Fibrinogen
Lymphocytes
The Correct Answer is C
Fibrinogen. Fibrinogen is a protein present in blood plasma that plays a key role in blood clotting. When an injury occurs and bleeding begins, fibrinogen is converted into fibrin, which forms a mesh-like structure that helps to trap blood cells and form a clot.
A. Monocytes are a type of white blood cell, not a protein present in blood plasma.
B. Platelets are cell fragments that play a role in blood clotting, but they are not a protein present in blood plasma.
D. Lymphocytes are a type of white blood cell, not a protein present in blood plasma.
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Related Questions
Correct Answer is D
Explanation
Carbonic acid. When blood pH rises, carbonic acid can donate H+ ions to act as a buffer and help maintain the pH within a normal range. Carbonic acid is formed when carbon dioxide dissolves in water and reacts with it.
A. Oxygen is not responsible for donating H+ ions to act as a buffer when blood pH rises.
B. Carbon monoxide is a toxic gas that does not play a role in buffering blood pH.
C. Carbon dioxide can dissolve in water to form carbonic acid, which can then donate H+ ions to act as a buffer.
Correct Answer is A
Explanation
Storage of minerals. Bones serve as a storage site for minerals such as calcium and phosphorus. These minerals are essential for various bodily functions and can be released from the bones into the bloodstream when needed.
B. Detoxification of alcohol is not a function of bone. This process occurs primarily in the liver.
C. Secretion of hormones is not a function of bone. Hormones are produced and secreted by glands such as the pituitary gland, thyroid gland, and adrenal glands.
D. Production of otoliths is not a function of bone. Otoliths are small calcium carbonate structures found in the inner ear of fish and other vertebrates that help with balance and hearing.
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