A patient has been hospitalized for a subtotal gastrectomy
After the procedure, an infection developed that eventually had to be treated with gentamicin, an aminoglycoside antibiotic. After 3 days of administration, oliguria occurred, and subsequent laboratory values indicated elevated BUN and creatinine levels. The patient is transferred to the critical care unit with acute kidney injury (previously known as acute tubular necrosis). The fluid that is removed each hour is not called urine; it is known as
a. convection.
b. diffusion.
c. replacement fluid.
d. ultrafiltrate.
D
The fluid that is removed each hour is not called urine; it is known as ultrafiltrate. Typically, some of the ultrafiltrate is replaced through the continuous renal replacement therapy circuit by a sterile replacement fluid. Diffusion is the movement of solutes along a concentration gradient from a high concentration to a low concentration across a semipermeable membrane. Convection occurs when a pressure gradient is set up so that the water is pushed or pumped across the dialysis filter and carries the solutes from the bloodstream with it.
You might also like to view...
A postpartum woman is diagnosed with metritis. The nurse interprets this as an infection involving which of the following? (Select all that apply.)
A) Endometrium B) Decidua C) Myometrium D) Broad ligament E) Ovaries F) Fallopian tubes
The nurse is caring for a patient suspected of having heatstroke. Which findings are consistent with this diagnosis? (Select all that apply.)
a. Bradycardia b. Tachycardia c. Irregular pulse patterns d. Visual disturbances e. Decreased urinary output
A nurse overhears a staff member say, "All of these drug abusers on our unit are just bums." How should the nurse characterize this statement?
A) Rational belief B) Irrational belief C) Blind belief D) Stereotype
A child is placed with kinship caregivers in foster care. The nurse is aware that kinship caregivers tend to face more challenges than nonkinship caregivers for which of the following reasons? Select all that apply
a. Kinship caregivers tend to be younger in age. b. Kinship caregivers tend to be in poorer health. c. Kinship caregivers tend to have lower incomes. d. Kinship caregivers tend to have less education.