NURS 231 Module 4 Exam Questions and Correct Answers Latest Update 2025 (Already Passed)

NURS 231 Module 4 Exam Questions and Correct Answers Latest Update 2025 (Already Passed) The coagulation cascade involves each of the following except: Make thrombocytes Activate the intrinsic and extrinsic pathways Convert fibrinogen to fibrin Convert prothrombin to thrombin - Answers Make thrombocytes Which of the following are natural anticoagulants? Select all that apply. Factor II Factor VII Factor IX Factor X Protein C Protein S - Answers Protein C Protein S Which of the following is NOT a hypercoagulable state? Select all that apply. Pregnancy Mutation of factor V Leiden Antiphosphoipid antibody syndrome Thrombocytopenia Cancer - Answers Thrombocytopenia Which of the following defects is associated with sophilia A? Defeciency of hemoglobin S Defeciency of hemoglobin A Defective gene in the X chromosome Defective gene in the Y chromosome - Answers Defective gene in the X chromsome In which of the following ways is blood flow NOT negatively affected? Blood viscoscity Diameter of the vessel Low hematocrit Compliance - Answers Low hematocrit Which of the following increases the strength of the muscular contraction? Wall tension Inotropic influence Peripheral vascular resistance Hypoxia - Answers Inotropic influence Which of the following is true of the renin-angiotensin-aldosterne system? Angiotensin I is converted to angiotension II in the kidneys Angiotensin II is a potent vasodilator Angiotensin II increases sodium reabsorption in the kidney by stimulating the secretion of aldosterone The PVR is decreased - Answers Angiotensin II increases sodium reabsoprtion in the kidney by stimulating the secretion of aldosterone Which of the following terms refers to the pressure the heart must generate to move blood into the aorta? Afterload Inotrope Preload Ejection fraction - Answers Afterload What is the most specific test for diagnosing iron deficiency anemia? Ferritin RBC Total iron binding capacity Hematocrit - Answers Ferritin What are the two most common causes of macrocytic anemia? Iron deficiency anemia, Thalassemias Folate deficiency, Sickle cell disease Sickle cell disease, Vitamin B12 deficiency Vitamin B12 deficiency and Folate deficiency - Answers Vitamin B12 deficiency and Folate deficiency Which of the following is FALSE regarding sickle cell disease? Abnormality of HbS gene Blood vessel occlusion is a complication Average red cell lifespan is 60 days Can lead to encapsulated infections - Answers Average red cell lifespan is 60 days The patient is found to be a severely malnourished alcoholic. The most likely cause of his anemia is: Folate deficieny Perncious anemia Iron deficiency anemia Anemia of chronic inflammation - Answers Folate deficiency Which of the following is NOT true of vitamin B12 deficiency anemia Dietary deficiencies are not common Peripheral neuropathy can be a result of deficiency Vitamin B12 is bound to intrinsic factor MCV is decreased - Answers MCV is decreased Which of the following descriptions best applies to atherosclerotic plauqes? Cholesterol infiltration of thickened vascular intima and media. Cystic degeneration and necrosis of vascular media. Intimal lesion consisting of fibrous cap overlying necrotic lipid-laden core. Organized old thrombotic residues overlying atrophic vascular intima. - Answers Intimal lesion consisting of fibrous cap overlying necrotic lipid-laden core. Lifestyle changes to treat hyperlipidemia include each of the following except: Increase physical activity Increase red meat consumption Smoking cessation Weight reduction - Answers Increase red meat consumption Which of the following is true of fatty streaks of atherosclerotic lesions?