Which of the following statements regarding ureters is correct?
Ureters are connected inside the urinary bladder by a two-way valve.
Ureters are fibrotic tubes connecting the kidneys to the urinary bladder.
Ureters are covered by an outer layer of epithelial tissue
Ureters are extraperitoneal tubular structures.
The Correct Answer is D
a. Ureters are connected inside the urinary bladder by a two-way valve: The ureters connect to the urinary bladder through openings that act as one-way valves to prevent urine from flowing back into the ureters.
b. Ureters are fibrotic tubes connecting the kidneys to the urinary bladder: Ureters are not fibrotic; they are muscular tubes lined with a mucous membrane that propels urine from the kidneys to the bladder.
c. Ureters are covered by an outer layer of epithelial tissue: The outermost layer of the ureters is actually composed of connective tissue (adventitia), not epithelial tissue.
d. Ureters are extraperitoneal tubular structures: This is correct. Ureters are located outside the peritoneal cavity.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
a. Releases hydrogen ions: Releasing hydrogen ions (H⁺) into the solution would lower the pH, making the solution more acidic. This is not the correct way to normalize a slightly acidic pH of 7.30.
b. Blinds hydrogen ions: This is likely a typographical error, and it should be "binds hydrogen ions." Binding hydrogen ions (H⁺) would reduce the concentration of free hydrogen ions in the solution, thereby raising the pH and making the solution less acidic. This is the correct mechanism to normalize the pH of 7.30 to a more neutral level.
c. Creates additional hydrogen ions: Creating additional hydrogen ions would further lower the pH, making the solution more acidic. This is not how a buffer system would normalize a slightly acidic pH.
d. Destroys excess hydrogen ions: While this option might seem correct, it is not typically how chemical buffer systems operate. Buffer systems usually bind (or release) hydrogen ions rather than destroy them.
Correct Answer is D
Explanation
a. Parathyroid: Parathyroid glands regulate calcium levels in the blood, not testosterone.
b. Posterior pituitary: The posterior pituitary gland stores and releases hormones produced in the hypothalamus, not testosterone.
c. Thyroid: The thyroid gland produces thyroid hormones, not testosterone.
d. Anterior pituitary: The anterior pituitary gland produces gonadotropin-releasing hormone (GnRH), which stimulates the testes to produce testosterone in males.
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