Which of the following describes the renal pelvis?
The outer tissue layer consisting of renal corpuscles and convoluted tubules
The inner tissue layer consisting of the loop of Henle and collecting tubules
The expanded area of a renal tubule that encloses the glomerulus
The cavity where urine flows from the calyces to enter the ureters
The Correct Answer is D
a. The outer tissue layer consisting of renal corpuscles and convoluted tubules: This describes the renal cortex, not the renal pelvis.
b. The inner tissue layer consisting of the loop of Henle and collecting tubules: This describes the renal medulla, not the renal pelvis.
c. The expanded area of a renal tubule that encloses the glomerulus: This describes Bowman's capsule, not the renal pelvis.
d. The cavity where urine flows from the calyces to enter the ureters: Correct. The renal pelvis is the funnel-shaped cavity that collects urine from the calyces and channels it into the ureter.
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Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
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.
Correct Answer is C
Explanation
a: Basal ganglia - The basal ganglia are involved in motor control and coordination but not in respiratory regulation.
b: Parietal lobe - The parietal lobe is involved in sensory processing and spatial awareness but not in respiratory regulation.
c. Medulla: The medulla oblongata, specifically the respiratory center within it, is responsible for the involuntary control of respiration, including setting the basic rhythm of breathing and responding to changes in blood pH and oxygen levels.
d: Hypothalamus - The hypothalamus regulates various physiological processes, including temperature regulation and hormone secretion, but not respiration.
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