NR 304 Exam 1 Questions with 100% Correct Answers

Function of the Lymphatic System Correct Answer Part of the immune system, detects and eliminates foreign substances from the body; vessels gather clear, watery fluid (lymph) from the tissue spaces and into circulation What is in lymph? Correct Answer Nutrients, oxygen, hormones, fatty acids, toxins, and cellular waste products What areas do CERVICAL lymph nodes drain? Correct Answer Breast and upper arm What areas do INGUINAL lymph nodes drain? Correct Answer Lower extremity, external genitalia, and anterior abdominal wall What areas do EPITROCHLEAR lymph nodes drain? Correct Answer Hand and lower arm Pitting vs. Nonpitting (Brawny) Edema Correct Answer Pitting edema = heart failure or occlusion of a vein Nonpitting edema= lymphatic obstruction, unilateral or bilateral, feels hard to the touch Lymphedema Correct Answer High-protein swelling of a limb caused by surgical removal or damage to lymph nodes and vessels; commonly caused by radiation therapy (common in breast CA treatment) Protein-rich lymph builds up in the interstitial spaces which raises colloid pressure and promotes further fluid leakage 3 Types of Vein Correct Answer Deep: run alongside deep arteries & conduct most venous return from the legs Superficial: Small & great saphenous Perforators: Connecting veins that join 2 sets Intermittent Claudication Correct Answer Deep muscle pain usually in calf, lower leg, or dorsal side of foot; cramp, numbness, tingling, cold, or weakness & relieved in minutes by sitting or resting. Indicates peripheral vascular disease. Allen's Test Correct Answer Used to evaluate collateral circulation prior to cannulating radial artery; occlude both ulnar and radial arteries while person makes a fist several times. Let go of ulnar artery first and blood will perfuse throughout the hand. Ankle-Brachial Index Correct Answer Done using a doppler stethoscope & used to determine the exact extent of peripheral vascular disease. Lay patient down flat wit