Bio 208 final exam Questions and Answers 100% Solved correctly

Which region below would be more dangerous for food blockage? A. Oral Cavity B. Bronchus C. Glottis D. Nasal Cavity E. All are fairly equally dangerous - Answer-C. Glottis Greater "compliance" is more closely associated with_____ A. Ten typical rubber bands B. One typical rubber band C. Ten typical strings (or fiber ropes) D. One typical string (or fiber rope) E. Greater surface tension - Answer-B. One typical rubber band Which of the following would not lead to a decrease in you tidal volume? A. skeletal muscle weakness B. Increase in elasticity of lungs C. Bronchiole constriction D. Increase in surfactant production E. Decrease in lung compliance - Answer-D. Increase in Surfactant production In normal breathing (like now in class), which gas molecule (higher) in blood than others? A. Oxygen B. Nitrogen C. Carbon dioxide D. Carbon monoxideF. Hydrogen - Answer-B. Nitrogen The role of "circular muscles" in peristalsis is ____ A. To move food forward w/o backflow B. To shorten adjacent muscle segments c. To lengthen adjacent muscle segments D. to move food in a circular motion E. No such thing as "circular" muscles... muscles are long and straight - Answer-A. To move food backward w/o backflow The human stomach is most concerned with the ___ of food. A. Absorption B. Long term storage C. Concentration D. Digestion E. Exceretion - Answer-D. Digestion