Which substance is secreted by the loop of Henie?
Calcium
Drugs
Urea
Bicarbonate ions
The Correct Answer is C
A. Calcium: Calcium reabsorption primarily occurs in the distal convoluted tubule, not the loop of Henle.
B. Drugs: Drug secretion mainly happens in the proximal convoluted tubule.
C. Urea: Urea is secreted by the loop of Henle, especially in the thin descending limb, as part of the concentration of urine.
D. Bicarbonate ions: Bicarbonate is reabsorbed mainly in the proximal convoluted tubule, not secreted by the loop of Henle.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Marrow: The hollow spaces within long bones contain bone marrow, which is responsible for the production of blood cells.
B. Natural killer cells: Natural killer cells are a type of lymphocyte found in the bloodstream and tissues but not directly within the hollow spaces of bones.
C. Enzymes: Enzymes are not found specifically in the hollow spaces of long bones; they are present throughout the body and are involved in metabolic processes.
D. Plasma cells: Plasma cells are derived from B cells and are primarily located in lymphatic tissue and bone marrow but do not fill the hollow spaces of long bones.
Correct Answer is A
Explanation
A. Cystic duct: The cystic duct connects the gallbladder to the bile ducts and allows bile to flow into and out of the gallbladder.
B. Common hepatic duct: This duct carries bile from the liver but does not directly lead to the gallbladder.
C. Pancreatic duct: This duct transports digestive enzymes from the pancreas to the duodenum, not bile.
D. Left hepatic duct: This carries bile from the left side of the liver and eventually merges into the common bile duct, but it does not lead directly to the gallbladder.
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