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NURS 221 Exam 3 Practice Questions and Answers | 100% Pass

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NURS 221 Exam 3 Practice Questions and Answers | 100% Pass protein - Answer️️ -Urea and creatinine are excreted by the kidneys. Urea is the end product of ____ metabolism. muscles - Answer️️ -Urea and creatinine are excreted by the kidneys. Creatinine is a metabolic by product that is ...

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  • September 16, 2024
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  • 2024/2025
  • Exam (elaborations)
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NURS 221 Exam 3 Practice Questions
and Answers | 100% Pass


protein - Answer✔️✔️-Urea and creatinine are excreted by the kidneys. Urea is the end

product of ____ metabolism.


muscles - Answer✔️✔️-Urea and creatinine are excreted by the kidneys. Creatinine is a

metabolic by product that is produced by the ____.

10 - Answer✔️✔️-The BUN (Blood-Urea-Nitrogen) to creatinine ration is typically ____ to

1.

0.6-1.2 - Answer✔️✔️-When serum creatinine is high the GFR (glomerular filtration rate)

is low. The WNL range for SERUM creatinine is ___ (#.#-#.#) mg/dL.

7-18 - Answer✔️✔️-When the BUN (Blood Urea Nitrogen) level rises, the GFR

(Glomerular Filtration Rate) is low. The WNL range for BUN is ____ (#-#) mg/dL.

3.5-5.0 - Answer✔️✔️-The WNL range for potassium (K+) is ____ (#.#-#-#) mEq/L.

135-145 - Answer✔️✔️-The WNL range for sodium (Na+) is ____ (#-#) mEq/L.

creatinine - Answer✔️✔️-A proxy (another way) for determining the glomerular filtration

rate (GFR) is known as ____ clearance. A 24-hour urine specimen is collected to

determine this.

afferent - Answer✔️✔️-The glomerulus is the first part of the nephron where the blood

gets filtered. Blood enters through the [ afferent / efferent ] arteriole to the proximal



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, ©SOPHIABENNETT 2024/2025 9:45 AM


tubule and begins the process of urine formation. The proximal and distal tubules are

semi-selective membranes. Blood and proteins are reabsorbed into the circulation.

urine - Answer✔️✔️-The glomerulus is the first part of the nephron where the blood gets

filtered. Blood enters through the afferent arteriole to the proximal tubule and begins the

process of ____ formation. The proximal and distal tubules are semi-selective

membranes. Blood and proteins are reabsorbed into the circulation.

kidneys - Answer✔️✔️-Urine formation * excretion of waste products * electrolyte, water

and acid-base balance * renal clearance * regulation of RBC prod'n via erythropoietin *

synthesis of active form of vitamin D * secretion of prostaglandins * All of these are key

functions of the ____.

hypertension - Answer✔️✔️-The nurse knows that diabetes and ____ are major risk

factors for chronic kidney disease.

reabsorption - Answer✔️✔️-Urine is formed in the nephrons through a complex three-step

process: glomerular filtration, tubular ____, and tubular secretion. Approximately

180L/day of filtrate results in 1-2 L of urine.

secretion - Answer✔️✔️-Tubular ___ occurs when substances move from the peritubular

capillary (blood) into the tubular lumen (filtrate). It helps with the elimination of K+, H+,

ammonia, uric acid, some drugs and other waste products.

125 - Answer✔️✔️-The WNL GFR is ___ (#) mL/min. This is measured by (urine)

creatinine clearance.

decreases - Answer✔️✔️-As renal function worsens, the level of creatinine clearance [

decreases / increases ].


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