In hyperkalemia, what change occurs to the cells’ resting membrane potential?
a. Hypopolarization
b. Hyperexcitability
c. Depolarization
d. Repolarization
Answer: a. Hypopolarization
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The nurse is caring for a patient in the early stages of septic shock. The patient is slightly confused and flushed, with bounding peripheral pulses. Which hemodynamic values is the nurse most likely to assess?
a. High pulmonary artery occlusive pressure and high cardiac output b. High systemic vascular resistance and low cardiac output c. Low pulmonary artery occlusive pressure and low cardiac output d. Low systemic vascular resistance and high cardiac output
The client who has atherosclerosis is attempting to stop cigarette smoking with the use of a nicotine patch. What specific instructions regarding this therapy should the nurse give to the client?
A. Abruptly discontinuing this patch can cause high blood pressure. B. Abruptly discontinuing this patch can cause nausea and vomiting. C. Smoking while using this patch increases the risk of respiratory infections. D. Smoking while using this patch increases the risk of a heart attack.
The client is experiencing severe shortness of breath but is not cyanotic. What lab value would the nurse review in an attempt to understand this phenomenon?
1. Blood sugar 2. Hemoglobin and hematocrit 3. Cardiac enzymes 4. Serum electrolytes
A nurse is reviewing the assessment findings and laboratory results of a child with a diagnosis of new-onset glomerulonephritis. Which finding would the nurse expect to note?
A. Hypertension B. Low serum potassium C. Increased creatinine level D. Cloudy yellow urine