Nokea
Which important functions of regulation of water balance and acid-base balance occur in the distal convoluted tubes of the nephron?
- A. Secretion of H+ into filtrate
- B. Reabsorption of water without ADH
- C. Reabsorption of Na+ in exchange for K+
- D. Reabsorption of glucose and amino acids
Correct Answer: A
Rationale: The distal convoluted tubules play a role in secreting H+ into the filtrate and reabsorption of water under ADH influence for regulation of water and acid-base balance.
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A teaching plan developed by the nurse for the patient with a new ileal conduit includes instructions to do what?
- A. Clean the skin around the stoma with alcohol every day.
- B. Use a wick to keep the skin dry during appliance changes.
- C. Use sterile supplies and technique during care of the stoma.
- D. Change the appliance every day and wash it with soap and warm water.
Correct Answer: C
Rationale: The correct answer is C because using sterile supplies and technique during care of the stoma is crucial to prevent infection and promote healing. Cleanliness is essential in stoma care to avoid complications. Using a wick or changing the appliance every day may not be the most important aspect of caring for a new ileal conduit.
An important point to remember when assisting urosto-mates with a pouch change is to
- A. scrub the peristomal skin with a deodorant soap
- B. cut the pouch opening approximately 3 mm larger than the stoma
- C. dry the skin thoroughly with alcohol wipes
- D. place aspirin in the bottom of the pouch to absorb odors
Correct Answer: B
Rationale: When assisting urosto-mates with a pouch change, it is important to cut the pouch opening approximately 3 mm larger than the stoma to prevent irritation and ensure a proper fit. This allows for a better seal and reduces the risk of leakage or skin damage. Scrubbing the peristomal skin with a deodorant soap, drying the skin with alcohol wipes, or placing aspirin in the pouch are not recommended practices and may lead to complications.
Symptoms of prostate cancer include:
- A. Nocturia and intermittent stream of urination.
- B. Diminished force of urinary stream and urgency.
- C. Difficulty initiating stream of urine and frequency.
- D. All of the above.
Correct Answer: D
Rationale: Prostate cancer can cause a variety of urinary symptoms due to the enlargement or obstruction of the prostate gland. These include nocturia (frequent nighttime urination)
A year after the diagnosis of hypothyroidism, Mrs. T. is admitted to the hospital in January in myxedema coma. Which of the following most probably accounts for this medical emergency?
- A. Hypothermia
- B. Failure to take thyroid medication
- C. Overdose of thyroid medication
- D. Failure to follow prescribed diet
Correct Answer: B
Rationale: Myxedema coma is a severe form of hypothyroidism that can occur due to the failure to take thyroid medication.
Water intoxication may result from absorption of excessive bladder irrigation solution after surgery. Which of the following symptoms might indicate water intoxication is developing?
- A. Confusion and restlessness
- B. Increased serum sodium concentration
- C. Cool, clammy skin
- D. Marked peripheral edema
Correct Answer: A
Rationale: Confusion and restlessness are common symptoms of water intoxication. Monitoring for these signs is crucial in detecting and managing water intoxication promptly to prevent further complications.