Nokea
The nurse is aware that some persons of the Jehovah's Witness faith accept which types of blood transfusions?
- A. No type of blood transfusion
- B. Blood that has been blessed by their religious leader
- C. Transfusions only for persons who have not yet been baptized
- D. Autologous blood transfusions
Correct Answer: D
Rationale: Some Jehovah's Witness followers are accepting of autologous blood transfusions and some will accept volume expanders such as colloids.
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The 9-year-old child with leukemia who is on palliative care has drawn a picture of a boy under a huge black cloud that has lightning coming out of it. Which would be an appropriate intervention for the nurse?
- A. What is this picture about?'
- B. Are you afraid of lightning?'
- C. I bet this is a picture of you, isn't it?'
- D. Is it about to rain in your picture?'
Correct Answer: A
Rationale: Asking what the child has drawn is a neutral and nonthreatening question. Drawings can give a clue to perceptions and emotions that a young child may not be able to verbalize. The nurse should not try to interpret the drawing.
Which is the first step in the process of hemostasis?
- A. Prothrombin converts to thrombin
- B. Formation of thrombin
- C. Formation of fibrin
- D. Trapping of RBC and platelets
- E. Clot
- F. Release of thromboplastin from platelets
Correct Answer: F
Rationale: Thromboplastin is released from the platelets, which acts with calcium to form thrombin; fibrin is formed, which traps red cells and platelets to make the clot.
The typical medical treatment of polycythemia vera involves repeated phlebotomies for which intended benefit?
- A. stimulate bone marrow.
- B. Reduce blood viscosity
- C. increase hemoglobin.
- D. reduce symptoms of gout.
Correct Answer: B
Rationale: Repeated phlebotomy decreases blood viscosity and prevent blood clots.
The person with aplastic anemia is said to have because all three major blood elements (RBCs, WBCs, and platelets) are diminished or absent.
Correct Answer: pancytopenia
Rationale: Persons with aplastic anemia are deficient in all three of the major blood elements, a condition known as pancytopenia.
Neutrophils release an enzyme that destroys certain bacteria.
Correct Answer: lysozyme
Rationale: Lysozyme is an enzyme released by the neutrophils that kills certain bacteria when the bacteria is recognized in the body.