Exercise Physiology Practice Questions with Correct Answers

Homeostasis Correct Answer Maintenance of a constant and normal internal environment despite changing external environment Steady State Correct Answer Balance between the demands placed on the body and the body's response to the demands Gain Correct Answer Precision with which the control system maintains homeostasis Negative Feedback Correct Answer Return to normal internal environment results in a decrease in the original stimulus Positive Feedback Correct Answer Change in a given direction which causes additional change in the same direction Bioenergetics Correct Answer Flow and exchange of energy within a living system. Conversion of foodstuffs into energy Metabolism Correct Answer Sum of all the chemical reactions which occur in the body Redox Reaction Correct Answer Chemical reaction, involves the transfer of electrons between 2 species Glycogen Correct Answer Store of carbohydrates. Polysaccharide that forms Glucose on hydrolysis Glycogenolysis Correct Answer Breakdown of glucose (n) into glucose-6-phosphate (n-1) Krebs Cycle Correct Answer Metabolic pathway. Pyruvate - Acetyl CoA - Oxaloacetate Electron Transfer Chain Correct Answer Group of compounds passing electron from one another via redox reactions down a proton gradient Aerobic Correct Answer In the presence of oxygen Anaerobic Correct Answer In the absence of oxygen Graded Exercise Test Correct Answer General screening tool used to evaluate the hearts response to exercise