NCLEX: Hematology (NCLEX)

Forcing blood drawn in a syringe into a lavender tube could result in: A. Hemolysis B. Lipemia C. Icteria D. Rouleaux correct answer: A. Hemolysis Which of the following is responsible for the most serious laboratory errors? A. Leaving the tourniquet on for too long B. Missing the vein C. Misidentifying the patient D. Drawing the wrong collection tube correct answer: C. Misidentifying the patient Indicate the correct order that blood should be drawn by placing 1, 2, 3, or...

Describe the 3 functions of blood (transportation, regulation, and protection) and provide examples of each. correct answer: a. Transportation: gases, nutrients, hormones, waste products b. Regulation: pH, body temperature, osmotic pressure c. Protection: clotting, white blood cells, proteins Describe the physical characteristics and principal components of blood. correct answer: a. Blood plasma: 1. 91.5% water, 8.5% solutes (primarily proteins) 2. Hepatocytes synthesize most plasma prot...

Acute lymphoblastic leukemia (ALL) correct answer: Abnormal proliferation of lymphoblasts in the bone marrow, lymph nodes, and spleen; the most common type of leukemia in children and young adults. Acute myeloblastic leukemia (AML) correct answer: Uncontrolled proliferation of myeloblasts (granulocyte precursors) and hyperplasia of bone marrow and the spleen; the most common acute leukemia in adults. Agranulocytosis correct answer: Severe neutropenia, with less than 200 cells/?m. Ane...

HCP caring for pt about to begin epoetin alfa (Epogen). Which of the following lab values should increase with effective therapy? Hgb WBC PT Platelets correct answer: Hgb HCP caring for pt about to begin oprelvekin (Neumega) for thrombocytopenia. HCP should tell pt to report which of the following indications of an adverse rxn? SATA Jaundice Swollen ankles Palpitations Conjunctivitis Tinnitus correct answer: Swollen ankles Palpitations Conjunctivitis Pt taking ferrous sulf...

A CBC is drawn in which of the following tubes? a. Purple top with sodium citrate b. Purple top with EDTA c. Purple top with sodium fluoride d. Light blue top with sodium citrate correct answer: b. Purple top with EDTA A common characteristic of many hemoglobinopathies is: a. heinz bodies b. sickle cells c. target cells d. spherocytes correct answer: c. target cells A common finding in the peripheral blood of patients with intravascular hemolysis due to mechanical trauma is: ...

In a severely anemic patient, the nurse would expect to find: a. dyspnea and tachycardia b. cyanosis and pulmonary edema c. cardiomegaly and pulmonary fibrosis d. ventricular dysrhythmias and wheezing Correct Answer: A - Patients with severe anemia (hemoglobin level, less than 6 g/dL) exhibit the following cardiovascular and pulmonary manifestations: tachycardia, increased pulse pressure, systolic murmurs, intermittent claudication, angina, heart failure, myocardial infarction, tachypnea, o...