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(Solved) Which diuretic acts by inhibiting sodium chloride reabsorption in the thick ascending limb of the loop of Henle?

Which diuretic acts by inhibiting sodium chloride reabsorption in the thick ascending limb of the loop of Henle? (Points : 0.4)

Bumetanide (Bumex)
Mannitol (Osmitrol)
Hydrochlorothiazide (Hydrodiuril)
Acetazolamide (Diamox)

Question 2.2. At which of the following locations in the nephron would a nurse practitioner first expect blood to be largely free of plasma proteins? (Points : 0.4)

Proximal convoluted tubule
Bowman space
Loop of Henle
Afferent arteriole

Question 3.3. A 14-year-old boy who appears to be intoxicated is brought to the emergency department by ambulance. The EMTs report that the boy has denied consuming anything out of the ordinary, but an open antifreeze container was found in the boy's room. Which of the following is likely to be used to treat the patient's symptoms? (Points : 0.4)

Gastric lavage
Syrup of ipecac
Sodium bicarbonate

Question 4.4. A 4-year-old boy who has been deaf since birth and has bilateral cataracts has been brought to the emergency department by his mother because she noticed blood in the toilet after he last voided. Urinalysis confirms heavy microscopic hematuria as well as proteinuria. What will the care team's initial differential diagnosis most likely be? (Points : 0.4)

Alport syndrome
Systemic lupus erythematosus glomerulonephritis
Henoch-Schonlein purpura nephritis
Immunoglobulin A nephropathy

Question 5.5. A patient is brought to the emergency department with complaints of shortness of breath. Assessment reveals a full, bounding pulse, severe edema, and audible crackles in the lower lung fields bilaterally. What is the patient's most likely diagnosis? (Points : 0.4)

Fluid volume excess

Question 6.6. Which of the following data would a clinician consider to be most indicative of acute renal failure?(Points : 0.4)

Alterations in blood pH, peripheral edema

Increased nitrogenous waste levels, decreased glomerular filtration rate (GFR)
Decreased serum creatinine and blood urea nitrogen (BUN), decreased potassium and calcium levels
Decreased urine output, hematuria, increased GFR

Question 7.7. Which of the following substances is most likely to be reabsorbed in the tubular segments of the nephron using passive transport mechanisms?
(Points : 0.4)


Question 8.8. A 60-year-old man has been diagnosed with renal calculi after repeated episodes of excruciating flank pain in recent weeks. The man states, “I don't know how this could happen to me, since I'm so careful about eating a healthy diet.” What is the most appropriate response to the man's statement? (Points : 0.4)

“Your diet may have played a part in this, but in fact genetics is likely primarily to blame.”
“What you eat can influence your risk of stone formation, but many other factors like hormones and your metabolism are involved.”
“You likely don't need to change your diet, but now that you have stones in one kidney, you're at very high risk of growing them in the other kidney.”
“Your diet might be normally healthy, but high intake of normally beneficial minerals like calcium and magnesium can lead to stones.”

Question 9.9. An 82-year-old resident of a long-term care facility with a recent history of repeated urinary tract infections and restlessness is suspected of having urinary retention. Which of the following actions by the care team is most appropriate? (Points : 0.4)

Uroflowmetry to determine to rate of the patient's urine flow
Ultrasound bladder scanning to determine the residual volume of urine after voiding
Renal ultrasound aimed at identifying acute or chronic kidney disease
Urinalysis focusing on the presence or absence of microorganisms, blood, or white cells in the man's urine

Question 10.10. A 34-year-old male patient has diagnoses of liver failure, ascites, and hepatic encephalopathy secondary to alcohol abuse. The patient's family is questioning the care team about why his abdomen is so large even though he is undernourished and emaciated. Which of the following statements most accurately underlies the explanation that a member of the care team would provide to the family? (Points : 0.4)

An inordinate amount of interstitial fluid is accumulating in the patient's abdomen.
The transcellular component of the intracellular fluid compartment contains far more fluid than normal.
The normally small transcellular fluid compartment, or third space, is becoming enlarged.
Gravity-dependent plasma is accumulating in the patient's peritoneal cavity.

Question 11.11. A pediatric unit will be receiving from a rural medical outpost a patient transfer of an 8-day-old infant with a suspected congenital renal disorder. Which of the following possibilities is the care team most likely to be able to rule out early? (Points : 0.4)

One of the infant's kidneys may have failed to develop to a normal size.
The kidneys may be misshapen and have cysts.
The upper or lower poles of the two kidneys may be fused.
Renal cell carcinoma may be present.

Question 12.12. A 22-year-old female with a history of intermittent flank pain, repeated UTIs, and hematuria has been diagnosed with autosomal dominant polycystic kidney disease (ADPKD). Which of the following phenomena has most likely contributed to the development of her health problem? (Points : 0.4)

UTIs coupled with an impaired immune response have caused her ADPKD.
She has inherited a tendency for epithelial cell in her tubules to proliferate inappropriately.
Severe hypertension and portal hypertension are likely precursors.
She has inherited undersized kidneys that are prone to calculi formation.

Question 13.13. A patient with poorly controlled diabetes mellitus presents to the emergency department with suspected ketoacidosis. Which of the following diagnostic results would be most likely to confirm this diagnosis?(Points : 0.4)

Low O2 levels, increased anion gap, base excess
High ammonia levels, decreased anion gap, high potassium
Increased CO2, increased anion gap, base deficit
Decreased CO2, decreased anion gap

Question 14.14. A 55-year-old man has made an appointment to see his nurse practitioner because he has been awakening three to four times nightly to void and often has a sudden need to void with little warning during the day. What is the man's most likely diagnosis and possible underlying pathophysiologic problem? (Points : 0.4)

Stress incontinence due to damage to CNS inhibitory pathways
Overactive bladder that may result from both neurogenic and myogenic sources
Overactive bladder due to intravesical pressure exceeding urethral pressure
Overflow incontinence that can result from displacement of the angle between the bladder and the posterior proximal urethra

Question 15.15. Which of the following patients on a medical unit of a hospital is most likely to be experiencing health problems that may be attributable to kidney disease? (Points : 0.4)

An 81-year-old female patient with osteoporosis and anemia
A 77-year-old patient with urinary retention due to benign prostatic hyperplasia (BPH)
A 55-year-old woman with a recent stroke secondary to long-standing hypertension
A 60-year-old man with a systemic fungal infection requiring intravenous antibiotics

Question 16.16. Following several days in an acidotic state, a hospital patient has returned to the desired pH. Which of the following processes could have contributed to the resolution of the patient's health problem?(Points : 0.4)

Exchange of Na+ and H+ ions
Selective renal secretion and reabsorption of CO2
Phosphate and ammonia buffer systems in the renal tubules
Excretion of HCO3– by the kidneys

Question 17.17. Which of the following patients would be considered to have a significant risk of developing the prerenal form of acute renal failure?

(Points : 0.4)

A 22-year-old male who has lost a large amount of blood following a workplace injury
A 41-year-old female who is admitted for intravenous antibiotic treatment of pyelonephritis
A 79-year-old male with diagnoses of poorly controlled diabetes mellitus and congestive heart failure
A 20-year-old male who is admitted for treatment of an overdose of a nephrotoxic drug
A 68-year-old male with a diagnosis of benign prostatic hyperplasia (BPH)
An 80-year-old female who has been admitted for treatment of dehydration, hyponatremia, and malnutrition

Question 18.18. A 25-year-old Asian American man arrives at the emergency department in a panic. Except for a bout with bronchitis a week earlier, he has been healthy his entire life; today he has blood in his urine. What is the most likely cause of his hematuria and how should it be treated? (Points : 0.4)

His Goodpasture syndrome should be treated with plasmapheresis and immunosuppressive therapy.
His membranous glomerulonephritis should be treated with corticosteroids.
His immunoglobulin A (IgA) nephropathy has no known effective treatments.
His Kimmelstiel-Wilson syndrome should be treated with control of high blood pressure and smoking cessation.

Question 19.19. An 81-year-old female has long-standing hypocalcemia secondary to kidney disease and will shortly be moving into an assisted living facility from her own apartment. Which of the following findings should staff at the facility be instructed to observe for? (Points : 0.4)

Loss of appetite and complaints of nausea
Muscular spasms and complaints of cramps
High fluid intake and urine output
Lethargy and stupor

Question 20.20. A nurse educator is orientating new nurses to a renal unit of a hospital. Which of the following teaching points should the nurse include as part of a review of normal glomerular function? (Points : 0.4)

“Nephrons are delicate structures that cannot endure the high pressure that exists in capillary beds elsewhere in the body.”
“Glomerular filtrate is very similar in composition to blood plasma found elsewhere in circulation.”
“Dilation of the afferent arteriole allows more blood into the nephron and increases the glomerular filtration rate.”
“The glomerulus is located between an arteriole and a venule that work together to regulate blood flow.”

Question 21.21. Which of the following individuals is at the highest risk for developing a urinary tract infection (UTI)? (Points : 0.4)

A 60-year-old man with a history of cardiovascular disease who is recovering in the hospital from a coronary artery bypass graft
A 66-year-old man undergoing dialysis for the treatment of chronic renal failure secondary to hypertension
A 38-year-old man with high urine output due to antidiuretic hormone insufficiency
A 30-year-old obese woman with poorly controlled diabetes mellitus

Question 22.22. A 61-year-old woman who has had an upper respiratory infection for several weeks has presented to her nurse practitioner with complaints of a recent onset of urinary retention. She reveals to her nurse practitioner that she has been taking over-the-counter cold medications at higher than the suggested dose for the past two weeks. Which of the following phenomena will her nurse practitioner most likely suspect is contributing to her urinary retention? (Points : 0.4)

Cholinergic actions of the cold medicine are triggering internal and external sphincter contraction.
Antihistamine effects inhibit communication between the pons and the thoracolumbar cord.
The anticholinergic effects of the medication are impairing normal bladder function.
Over-the-counter medications such as cold medicine stimulate the parasympathetic nervous system and inhibit bladder emptying.

Question 23.23. Which of the following individuals are displaying identified risk factors for the development of lower urinary tract obstruction? (Points : 0.4)

A 32-year-old woman who had a healthy delivery of her third child 4 months ago
A 68-year-old man who has been diagnosed with benign prostatic hyperplasia (BPH)
A 55-year-old man with diabetes who is receiving diuretic medications for the treatment of hypertension
A 30-year-old woman who has been diagnosed with gonorrhea
A 74-year-old woman who has developed a lower bowel obstruction following several weeks of chronic constipation
A 20-year-old man who has spina bifida and consequent impaired mobility

Question 24.24. A 51-year-old woman diagnosed with multiple sclerosis (MS) five months prior is distressed that she has had several recent episodes of urinary incontinence. She has asked her nurse practitioner why this is the case. Which of the following statements best captures the facts that would underlie the nurse's response to the patient? (Points : 0.4)

Neurologic diseases like MS often result in flaccid bladder dysfunction.
She may be unable to sense her bladder filling as a result of her MS.
Lesions of the basal ganglia or extrapyramidal tract associated with MS inhibit detrusor contraction.
Pathologic reductions in bladder volume brought on by MS necessitate frequent micturition.

Question 25.25. Which of the following individuals would be considered to be at risk for the development of edema?

(Points : 0.4)

An 81-year-old man with right-sided heart failure and hypothyroidism
A 60-year-old obese female with a diagnosis of poorly controlled diabetes mellitus
A 34-year-old industrial worker who has suffered extensive burns in a job-related accident
A 77-year-old woman who has an active gastrointestinal bleed and consequent anemia
A 22-year-old female with hypoalbuminemia secondary to malnutrition and anorexia nervosa


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