Davita RISE FINAL TEST Questions and
Answers Verified Solutions Latest
Update
Question:
Explain ultrafiltration in hemodialysis.
Answer:
Fluid is pushed through the semipermeable membrane (SPM). Think: wringing out a
wet rag.
Question:
Explain convection in hemodialysis.
Answer:
Solutes DRAG across the semipermeable membrane with fluid
Question:
Explain diffusion in hemodialysis.
Answer:
PARTICLES move from HIGH concentration to LOW concentration
Question:
Explain osmosis in hemodialysis.
Answer:
FLUID moves LOW concentration to HIGH concentration
Question:
What are the kidneys' excretory functions?.
Answer:
To normalize electrolytes, remove wastes, provide fluid and nutrient balance
,Question:
How do we replace normal excretory kidney functions?.
Answer:
By using acid concentrate to help normalize electrolytes and ultrafiltration to provide
fluid balance
Question:
What is the function of acid concentrate.
Answer:
Provides the concentration gradient for diffusion and helps normalize electrolytes
Question:
What is the function of bicarbonate in the dialysate solution?.
Answer:
It buffers the acid concentrate
Question:
What is the function of bicarbonate when it diffuses into the patient's blood?.
Answer:
It normalizes body pH
Question:
What are some S/Sx of hyperkalemia?.
Answer:
K+ > 6.5 mEq extreme muscle weakness, dysrhythmias, and possible cardiac arrest
Question:
What are some S/Sx of hypokalemia?.
Answer:
K+ < 3.5 mEq fatigue, muscle weakness, paralysis, resp. failure, cardiac instability,
arrhythmias, cardiac arrest
,Question:
What is the normal blood pH range?.
Answer:
7.35 - 7.45
Question:
What are the kidneys' endocrine functions?.
Answer:
Renin secretion Erythropoietin secretion Vitamin d activation
Question:
How do we replace normal endocrine kidney functions?.
Answer:
By providing medications
Question:
How much of normal kidney function is replaced by HD?.
Answer:
15%
Question:
What is uremia?.
Answer:
Uremia is a buildup of wastes in the blood due to kidney failure
Question:
What does uremia affect?.
Answer:
Uremia affects all body systems
, Question:
What are the most common causes of CKD in the US?.
Answer:
diabetes, HTN and polycystic kidney disease
Question:
List the treatment goals for a pt. w/ CKD.
Answer:
slowing the progression of CKD -managing comorbidities and complications -controlling
symptoms -minimizing the effects if CKD on pt. lifestyles -kidney replacement therapy
modality education -encouraging patients to actively participate in their healthcare
Question:
Why is it so important to know what caused your pt.'s CKD?.
Answer:
So the RN and PCT can ask about possible problems during data collection and
assessment
Question:
List some S/Sx of fluid imbalance.
Answer:
HTN, edema, and SOB
Question:
Why is sodium balance important?.
Answer:
Leads to volume expansion, increased cardiac output, increased peripheral vascular
resistance and increased BP
Answers Verified Solutions Latest
Update
Question:
Explain ultrafiltration in hemodialysis.
Answer:
Fluid is pushed through the semipermeable membrane (SPM). Think: wringing out a
wet rag.
Question:
Explain convection in hemodialysis.
Answer:
Solutes DRAG across the semipermeable membrane with fluid
Question:
Explain diffusion in hemodialysis.
Answer:
PARTICLES move from HIGH concentration to LOW concentration
Question:
Explain osmosis in hemodialysis.
Answer:
FLUID moves LOW concentration to HIGH concentration
Question:
What are the kidneys' excretory functions?.
Answer:
To normalize electrolytes, remove wastes, provide fluid and nutrient balance
,Question:
How do we replace normal excretory kidney functions?.
Answer:
By using acid concentrate to help normalize electrolytes and ultrafiltration to provide
fluid balance
Question:
What is the function of acid concentrate.
Answer:
Provides the concentration gradient for diffusion and helps normalize electrolytes
Question:
What is the function of bicarbonate in the dialysate solution?.
Answer:
It buffers the acid concentrate
Question:
What is the function of bicarbonate when it diffuses into the patient's blood?.
Answer:
It normalizes body pH
Question:
What are some S/Sx of hyperkalemia?.
Answer:
K+ > 6.5 mEq extreme muscle weakness, dysrhythmias, and possible cardiac arrest
Question:
What are some S/Sx of hypokalemia?.
Answer:
K+ < 3.5 mEq fatigue, muscle weakness, paralysis, resp. failure, cardiac instability,
arrhythmias, cardiac arrest
,Question:
What is the normal blood pH range?.
Answer:
7.35 - 7.45
Question:
What are the kidneys' endocrine functions?.
Answer:
Renin secretion Erythropoietin secretion Vitamin d activation
Question:
How do we replace normal endocrine kidney functions?.
Answer:
By providing medications
Question:
How much of normal kidney function is replaced by HD?.
Answer:
15%
Question:
What is uremia?.
Answer:
Uremia is a buildup of wastes in the blood due to kidney failure
Question:
What does uremia affect?.
Answer:
Uremia affects all body systems
, Question:
What are the most common causes of CKD in the US?.
Answer:
diabetes, HTN and polycystic kidney disease
Question:
List the treatment goals for a pt. w/ CKD.
Answer:
slowing the progression of CKD -managing comorbidities and complications -controlling
symptoms -minimizing the effects if CKD on pt. lifestyles -kidney replacement therapy
modality education -encouraging patients to actively participate in their healthcare
Question:
Why is it so important to know what caused your pt.'s CKD?.
Answer:
So the RN and PCT can ask about possible problems during data collection and
assessment
Question:
List some S/Sx of fluid imbalance.
Answer:
HTN, edema, and SOB
Question:
Why is sodium balance important?.
Answer:
Leads to volume expansion, increased cardiac output, increased peripheral vascular
resistance and increased BP
