Nu 606 exam 3 chpt 13 - Study guides, Class notes & Summaries

what are the two layers of the pericardial sac correct answer: outer fibrous pericardium anchors the heart to diaphragm visceral pericardium (epicardium) has a serous membrane what is unique about cardiac muscle (myocardial fibers) correct answer: - no nerves are present intercalated discs at the junctions between fibers (they contain desmosomes, connections to prevent muscle cells from separating during contraction, and gap junctions, which permit ions to pass from cell to cell which fac...

NU 606 Exam 3_ Chpt. 13.

NU 606 Exam 3: Chpt. 13 Study Guide with Complete Solutions why does cancer frequently metastasize to the lungs - Answer-because the venous return and lymphatics bring tumor cells from distant sites in the body to the heart and then into the pulmonary circulation what are three common sites of metastasis from the lung - Answer-brain, bone, liver what are pleural effusion, hemothorax, and pneumothorax common secondary to lung tumors - Answer-when they are located on the lung peripheral the...