NUR 256 Exam 2 Questions and Answers 2025
palliative
a remedy that improves but doesn't cure
Methotrexate
chemotherapy, stomatitis
ABGs
Arterial Blood Gases
pH 7.35- 7.45
HCO3 (Bicarbonate) normal values 22-26 mEq/L
PaCO2 ( CO2 or carbon dioxide content) 35-45 mm Hg
PaO2 (oxygen saturation in arteria blood)- 80-100 mm Hg
major cations
Major cations: sodium, potassium, calcium,magnesium, hydrogen ionso
major anions
Major anions: chloride, bicarbonate, phosphate,sulfate, proteinate ions
interstitial fluid
lymph
transcellular fluid
cerebrospinal, pericardial, synovial
hydrostatic pressure
exerted on walls of blood vessels
osmotic pressure
exerted by protein in plasma
Intraoperative
from time of transfer from operating room to PACU
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preoperative phase
period of time from when the decision for surgical intervention is made to when
the patient is transferred to the operating room table
post-operative
from PACU to discharge
Scrub Role (STSR)
a member of the sterile team, scrubbed, gowned, and gloved participant in
surgery. Delivers direct surgical care
registered first nurse assistant
handles tissue, suturing and maintaining homeostasis
circulating nurse
a nurse who assists the scrub nurse and the surgeons during surgery, positioning
the patient and equipment, obtaining additional supplies, and adjusting lighting as
needed, environment checks
spinal block
Injection of a local anesthetic agent directly into the spinal fluid in the spinal canal
to provide anesthesia for vaginal and cesarean births.
Malignant hyperthermia
rare, an inherited muscle disorder, a type of severe reaction that occurs to
particular medications used during general anesthesia, among those who are
susceptible. Symptoms include muscle rigidity, high fever, and a fast heart rate. (at
risk are those who have a lot of muscle mass) Dantrium sodium reverses this, can
occur after surgery
Second intention healing
A wound that is extensive and involves considerable tissue loss, and in which the
edges cannot be brought together heals in this manner.
Normal sodium range
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