The nurse is conducting a staff in-service on childhood blood disorders. Which describes the pathology of idiopathic thrombocytopenic purpura?
a. Bone marrow failure in which all elements are suppressed
b. Deficiency in the production rate of globin chains
c. Diffuse fibrin deposition in the microvasculature
d. An excessive destruction of platelets
ANS: D
Idiopathic thrombocytopenic purpura is an acquired hemorrhagic disorder characterized by an excessive destruction of platelets, discolorations caused by petechiae beneath the skin, and a normal bone marrow. Aplastic anemia refers to a bone marrow–failure condition in which the formed elements of the blood are simultaneously depressed. Thalassemia major is a group of blood disorders characterized by deficiency in the production rate of specific hemoglobin globin chains. Disseminated intravascular coagulation is characterized by diffuse fibrin deposition in the microvasculature, consumption of coagulation factors, and endogenous generation of thrombin and plasma.
You might also like to view...
The first step of the ethical decision-making process is
a. consulting with an authority. b. identifying the health problem. c. delineating the ethical problem from other types of problems. d. identifying the client as the primary decision maker.
The nursing instructor is talking about caring for patients with feeding tubes and endotracheal tubes (ET)
The instructor tells the students that before each tube feeding, the nurse should check for tube placement in the stomach as well as residual volume. What is the purpose of the nurse's actions? A) Prevent gastric ulcers B) Prevent aspiration C) Prevent abdominal distention D) Prevent diarrhea
Checking circulation and the presence of bleeding is part of the:
a. primary survey. b. secondary survey. c. tertiary survey. d. final survey.
Which of the following is the amount of electrical stimulus or the difference in action potential created by cardiac cell movement within the heart??
A) Isoelectric B) Voltage C) Current D) Impulse