Lilley's Pharmacology For Canadian Health Care Practice Ch 55 Study Guide Rated A+

what are RBC made up of? {Ans: More than 1/3 of a RBC is made of hemoglobin}Iron toxicity {Ans: Symptomatic and supportive measures -Suction and maintenance of the airway; correction of acidosis; control of shock and dehydration with IV fluids or blood, oxygen, and vasopressors In patients with severe symptoms of iron intoxication, such as coma, shock, or seizures, chelation therapy with deferoxamine is initiated.}When should the administration of folic acid to prevent fetal neural tube defects be started? {Ans: at least one month before pregnancy and throughout the beginning of the pregnancy}Foods impairing iron absorption {Ans: -Eggs (also common dietary source) -Corn -Beans (also common dietary source) -Cereal products containing phytates -Milk}Immature RBCs are called {Ans: reticulocytes}What is the most common cause of folic acid deficiency? {Ans: Malabsorption syndromes}Epoetin alpha adverse effects {Ans: Most frequent: *Hypertension *Fever *Headache *Pruritus *Rash *Nausea *Vomiting *Arthralgia *Injection site reaction}Longer acting form of epoetin alpha {Ans: Darbepoetin (Aranesp)}Before administration of iron, the nurse needs to assess what? {Ans: -Patient and medical history including drug allergies -Potential contraindications -Baseline laboratory values, especially hemoglobin, hematocrit, reticulocytes -Nutritional assessment}Oral iron {Ans: Ferrous salts *Ferrous fumarate (Femiron)