NR 507 Midterm Exam 2

1. The coronary ostia are located in the: (Points : 2) Left ventricle Aortic valve Coronary sinus Aorta 2. Where in the respiratory tract do the majority of foreign objects aspirated by children finally lodge? (Points : 2) Trachea Left lung Bronchus Bronchioles 3. Which type of antibody is involved in type I hypersensitivity reaction? (Points : 2) IgA IgE IgG IgM 4. Hypersensitivity is best defined as a(an): (Points : 2) Disturbance in the immunologic tolerance of self-antigens Immunologic reaction of one person to the tissue of another person Altered immunologic response to an antigen that results in disease Undetectable immune response in the presence of antigens 5. What is the final stage of the infectious process? (Points : 2) Colonization Invasion Multiplication Spread 6. The function of the foramen ovale in a fetus allows what to occur? (Points : 2) Right-to-left blood shunting Left-to-right blood shunting Blood flow from the umbilical cord Blood flow to the lungs 7. What physical sign is the result of turbulent blood flow through a vessel? (Points : 2) Increased blood pressure during periods of stress Bounding pulse felt on palpation Cyanosis observed on excretion Murmur heard on auscultation 8. Which statement concerning benign tumors is true? (Points : 2) The resulting pain is severe. Benign tumors are not encapsulated. Benign tumors are fast growing. The cells are well-differentiated.