WGU D115 Unit 5 Questions and Answers (Verified Answers)

1. Which two processes are involved in platelet activation? Cyclooxygenase-1 (COX-1) inactivation Aggregation Adhesion Platelet activation involves three linked processes (1) adhesion, (2)activation, and (3) aggregation. Platelet activation stimuli include epinephrine, thrombin, and collagen. 2. Select four common causes of anemia from the list below. Increased red cell destruction Chronic blood loss Severe bleeding Impaired erythrocyte production Blood transfusion Impaired production of erythrocytes, increased red cell de-struction, severe bleeding, and chronic blood loss can cause anemia. 3. explain why the nurse practitioner should ask the patient about her paresthesias and ataxia. Without the presence of intrinsic factor, vitamin B12 will notbe absorbed effectively from the gastrointestinal tract. 4. Describe what causes pernicious anemia. Pernicious anemia is