Davita Final Exam Module 1 & 2 Questions and Answers 2026

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Davita Final Exam Module 1 & 2

What are the 4 transport mechanisms that play a role in hemodialysis? (module 1)

Ultrafiltration
Convection
Diffusion
Osmosis

what is ultrafiltration? (module 1)

Fluid pushed through the semipermeable membrane

What is convection? (module 1)

solutes dragged across SPM along with fluid

What is diffusion? (module 1)

The movement of particles from an area of high concentration to an area of low concentration.

What is osmosis? (module 1_)

Fluid moves from area of low to high concentration

What are the kidneys excretory functions? (module 1)

To normalize electrolytes
Remove wastes
Provide fluid and nutrient balance

How do we replace normal excretory kidney functions? (module 1)

BY using acid concentrate to help normalize electrolytes and ultrafiltration to provide fluid balance

what is the function of acid concentrate? (module 1)

Provides provides the concentration gradient for diffusion and helps normalize electrolytes

what is the function of bicarbonate? (module 1)

in dialysate solution it acts as a buffer

in patients blood it normalizes pH

Signs of Hyperkalemia: MURDER >6.5 muscle weakness (module 1)

Muscle weakness,
Urine - oliguria or anuria,
Respiratory distress,
Decreased cardiac contractility,
EKG changes cardiac arrest
Reflexes - hyper or hypo

Signs of hypokalemia (module 1)

fatigue
muscle weakness
paralysis
respiratory failure
cardiac instability
cardiac arrest

normal pH range (moduele 1)

7.35-7.45
(Below 7.35 = Acidity)
(Above 7.45= Alkaline)

What are the kidneys endocrine functions? (module 1)

renin secretion
erythropoietin secretion
vitamin D activation

How do we replace normal endocrine kidney functions? (module 1)

Provide medication

How much kidney function is replaced by hemodialysis? (module 1)

15%

What is uremia and what does it affect? (module 1)

uremia is a buildup of wastes in the blood due to kidney failure and it affects the whole body

what are the most common causes of CKD in the USA? (module 1)

Diabetes
hypertension
polycystic Kidney Disease

Outline treatment goals for a patient with CKD? (module 1)

*Slowing the progression of CKD
*Managing comorbidities and complications
controlling symptoms
*Minimizing the effects of CKD on patients life
*Kidney replacement therapy modality education
*Encouraging patients to actively participate in their health

Why is it important to know what caused your patients CKD? (module 1)

so the nurse or PCT can inquire about possible problems during data collection and assessment

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