A&P 2 Straighterline Final Exam Questions and Answers 100% Pass

A&P 2 Straighterline Final Exam Questions and Answers 100% Pass A decrease in blood oxygen stimulates which of the following? - ANSWER-a. an increase in erythropoietin formation, which increases red blood cell production Antibodies are produced by which type of white blood cell? - ANSWER-lymphocytes Which statement about the structure of the heart is accurate? - ANSWER-b. The superior and inferior venae cavae enter the right atrium, and the pulmonary veins enter the left atrium. Which part of the cardiovascular system brings blood into the right atrium of the heart? - ANSWER-c. superior vena cava Deoxygenated blood flows through the pulmonary structures in what order? - ANSWER-d. pulmonary semilunar valve ⇒ pulmonary trunk ⇒ pulmonary arteries Copyright ©EMILLECT 2024. ALL RIGHTS RESERVED. Page 2/15 Oxygenated blood flows through the heart's structures in what order? - ANSWER-b. bicuspid valve ⇒ left ventricle ⇒ aortic semilunar valve In the human body, veins are categorized according to - ANSWER-size Which sequence correctly shows the direction of blood flow in the capillary network? - ANSWER- When do congenital heart diseases occur? - ANSWER-b. at birth How does arteriosclerosis affect the circulatory system? - ANSWER-c. It increases resistance to blood flow. Lymph consists of water and solutes derived from - ANSWER-b. cell tissue and plasma. Which of these mechanisms is responsible for moving lymph through lymphatic vessels? - ANSWER-b. contraction of skeletal muscles Which statement about diffuse lymphatic tissue is accurate? - ANSWER-a. It has a clear boundary. b. It contains macrophages. c. It is located superficial to mucous membranes. Copyright ©EMILLECT 2024. ALL RIGHTS RESERVED. Page 3/15 d. It is organized into compact, somewhat spherical structures. Which is a function of the lymphatic system? - ANSWER-b. regulation of fluid balance What would happen if excess lymph remained in the interstitial fluid instead of entering the lymphatic capillaries? - ANSWER-d. Edema would result, causing tissue damage and possibly death. Which cell type is part of the innate immune system? - ANSWER-a. natural killer cell b. memory B cell c. plasma cell d. helper T cell In the body's defense system, specificity and memory are key characteristics of - ANSWER-b. adaptive immunity. Which of these is an autoimmune disease? - ANSWER-d. systemic lupus erythematosus Copyright ©EMILLECT 2024. ALL RIGHTS RESERVED. Page 4/15 What is the first stage of HIV infection? - ANSWER-b. A protein on the surface of the virus binds to a CD4 molecule on the cell surface. Which three organs make up the lower respiratory tract? - ANSWER-a. pharynx, larynx, and trachea b. nose, nasal cavity, and pharynx c. pharynx, trachea, and bronchi d. trachea, bronchi, and lungs