Which of the following is the anatomical structure of the kidney located immediately before the ureter?
Minor calyx
Renal pyramid
Major calyx
Renal pelvis
The Correct Answer is D
A. The minor calyx collects urine from the renal papillae (tips of the renal pyramids), but it is not the structure immediately before the ureter. It connects to the major calyx.
B. Renal pyramids are structures within the kidney that contain the renal tubules and are involved in the filtration and excretion process. However, they do not directly connect to the ureter.
C. The major calyx is a larger collecting area formed by the union of several minor calyces. It channels urine into the renal pelvis but is not directly before the ureter.
D. The renal pelvis is the funnel-shaped structure that collects urine from the major calyces and funnels it into the ureter. It is the anatomical structure immediately before the ureter, which then carries urine to the bladder.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Expiratory reserve volume is the amount of air that can be exhaled forcefully after normal expiration. It does not refer to the air moved in and out during the normal respiratory cycle.
B. Residual volume is the amount of air remaining in the lungs after a forced exhalation. It cannot be exhaled and is not part of the normal respiratory cycle.
C. Vital capacity is the maximum amount of air that can be exhaled after a maximum inhalation, which includes tidal volume, expiratory reserve volume, and inspiratory reserve volume. It does not specifically refer to the air moved in and out during normal breathing.
D. Tidal volume refers to the amount of air that is moved into and out of the lungs during a normal, relaxed breath. It is the term that directly describes the air exchanged during the normal respiratory cycle.
Correct Answer is A
Explanation
A. Cushing's syndrome is most commonly caused by the hypersecretion of cortisol from the adrenal glands. It can also result from excess production of adrenocorticotropic hormone (ACTH) from the pituitary gland, but the primary issue is often adrenal hypersecretion.
B. While the pituitary gland can contribute to Cushing's syndrome by secreting too much ACTH (which stimulates the adrenal glands), it is the adrenal glands that primarily cause the symptoms of the condition.
C. The parathyroid glands are responsible for regulating calcium levels in the blood, not for the production of cortisol.
D. The thymus plays a role in immune system development, but it is not involved in Cushing's syndrome.
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