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Which of the following is the most common etiology of
D. a streptococcal infection 7-12 days prior to onset
acute postinfectious glomerulonephritis?
Acute postinfectious glomerulonephritis typically occurs
A. uncontrolled diabetes with inc proteinuria
after an infection with strains of group A beta-hemolyt-
B. prolonged blockage of ureter with a calculus and E coli
ic streptococci and is caused by deposition of immune
infection
complexes. The other options are not related to acute
C. antibiotic damage to the glomeruli
postinfectious glomerulonephritis.
D. a streptococcal infection 7-12 days prior to onset
A patient experiencing shortness of breath and an in-
creased respiratory rate has a pH of 7.10 and an HCO3-
level of 18 mEq/L. A. Metabolic acidosis
Which of the following diagnoses would likely be made
based on these findings? Metabolic acidosis would be diagnosed based on the
findings related to a low pH and a low bicarbonate level.
A. Metabolic acidosis The other conditions would not result from the findings
B. Respiratory alkalosis provided.
C. Metabolic alkalosis
D. Respiratory acidosis
A patient with acute tubular necrosis (ATN) is experiencing
oliguria and edema and has laboratory results indicating A. Maintenance phase
increased levels of urea, potassium, and creatinine.
Which phase of ATN is the patient most likely experienc- The symptoms described for this patient are consistent
ing? with the maintenance phase. The onset or initiating phase
occurs from the onset of the precipitating event until
A. Maintenance phase tubular injury occurs and would not have these results.
B. Onset phase The recovery phase has urine output slowly returning to
C. Initiating phase normal.
D. Recovery phase
When considering neurogenic disorders of the bladder, C. Flaccid bladder dysfunction
which type of dysfunction results from lesions at the level
of sacral reflexes or the peripheral nerves that innervate Flaccid bladder dysfunction results from lesions at the lev-
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the bladder?
el of sacral reflexes or the peripheral nerves that innervate
the bladder. Spastic bladder dysfunction such as detru-
A. Detrusor-sphincter dyssynergia
sor-sphincter dyssynergia and those caused by spinal in-
B. Bladder dysfunction caused by a spinal cord injury
jury, usually results from neurologic lesions located above
C. Flaccid bladder dysfunction
the level of the sacralmicturition reflexes.
D. Spastic bladder dysfunction
Which diuretic acts by preventing the reabsorption of B. Thiazide diuretics
sodium chloride (NaCl) in the distal convoluted tubule?
Thiazide diuretics act by preventing the reabsorption of
A. Loop diuretics sodium chloride in the early distal convoluted tubule. K+
B. Thiazide diuretics sparing diuretics reduce sodium reabsorption and de-
C. Potassium-sparing diuretics crease K+ secretion in the late distal tubule. The other
D. Osmotic diuretics options do not act on the reabsorption of sodium chloride.
A patient with an increased plasma partial pressure of
carbon dioxide (pCO2) and a decreased pH level is also
B. Respiratory acidosis
exhibiting a headache and blurred vision.
Which condition is most likely? Respiratory acidosis would be diagnosed for this patient
with an increased pCO2 and decreased pH level. The other
A. Metabolic alkalosis
conditions would not result from the provided symptoma-
B. Respiratory acidosis
tology.
C. Respiratory alkalosis
D. Metabolic acidosis
Which symptom of chronic kidney disease (CKD) is the
result of high serum phosphate levels and the develop-
ment of phosphate crystals that occur with hyperparathy-
D. Puruitus
roidism?
Pruritus is common in CKD and results from increased
A. Asterixis
serum phosphate levels and phosphate crystals.
B. Uremia
C. Azotemia
D. Puruitus
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What is the normal amount of daily fluid allowed for a
patient diagnosed with chronic kidney disease (CKD)? D. A daily fluid intake of 500 to 800 mL/day should be
allowed for hydration.
A. A minimum of 2000 mL/day should be consumed to
flush out the kidneys. It is a common practice to allow a daily fluid intake of 500
B. The intake should match the amount of urine output to to 800 mL/day, which is equal to insensible water loss
maintain hydration. plus a quantity equal to the 24-hour urine output. The CKD
C. The patient with CKD should not have any oral intake of patient should be allowed oral intake unless otherwise
fluids. contraindicated, and urine output matched with intake will
D. A daily fluid intake of 500 to 800 mL/day should be not account for insensible water loss.
allowed for hydration.
A patient with a urinary tract obstruction may experience
which of the following complications? D. Increased blood pressure
A. Diluted urine Urinary tract obstruction can lead to hypertension related
B. Decreased blood pressure to increased renin secretion. The urine output would be
C. Polyuria decreased and not diluted.
D. Increased blood pressure
B. Hypovolemic
Which type of hypotonic hyponatremia is likely when a
patient reports muscle weakness, cramping, and general Hypovolemic hypotonic hyponatremia occurs when water
fatigue after a 10 K (6.2 miles) run in spite of adequate is lost along with sodium, but to a lesser extent. Among the
water hydration during the run? causes of hypovolemic hyponatremia is excessive sweat-
ing in hot weather, particularly during heavy exercise,
A. Hypervolemic which leads to loss of salt and water. Hyponatremia devel-
B. Hypovolemic ops when water, rather than electrolyte-containing liquids,
C. Normovolemic is used to replace fluids lost in sweating. The other options
D. Euvolemic apply more to patients with water retention or fluid shift
issues.
Which of the following best describes the main function
of the nephron?