Hsc 308 - Study guides, Class notes & Summaries

HSC 308 Exam 2 Questions with All Correct Answers Four processes of the pulmonary system - Answer- Pulmonary ventilation- air in/out lungs Pulmonary diffusion- exchange gases in air/blood Transport- CO2/O2 Capillary gas exchange Pulmonary Ventilation - Answer- Boyles Law- Increase pressure, decrease volume Air flows from high pressure to low pressure FEV 1.0 used as a measure of pulmonary function - Answer- percent of FVC in one sec -reflects pulmonary resistance ---normal 85% ---...

HSC 308 Exam Questions with All Correct Answers Which of the following molecules when fully broken down in aerobic metabolism produces the greatest number of ATPs? Glucose Glycerol Glycogen 12-carbon fatty acid - Answer- 12-carbon fatty acid The process in which an amine group is removed from an amino acid in the liver and ultimately exerted in the urine is called Transamination Deamination Uramination Phosphorylation - Answer- Deamination Where does glycerol (from the brea...

HSC 308 Exam 1 Questions with All Correct Answers What might the human body need to make the immediate energy systems work better? - Answer- More enzyme because then more ADP can be combined to get more ATP and more PCr can also be used to be combined with ADP to make more ATP Does aerobic exercise increase phosphocreatine kinase activity? - Answer- NO Metabolic adaptations to immediate energy systems during aerobic exercise training - Answer- No change in substrate storage No change ...

HSC 308 Final Exam Questions with Correct Detailed Answers (Verified Answers) What guidelines would you give for optimal weight loss? - Answer Optimal weight loss: dec. fat mass, inc. FFM Moderate caloric restriction + exercise Caloric deficit ~200 to 500 kcal / day Lose no more than 0.5 to 1 kg / week When near goal, slow weight loss further What is BMI, how is it calculated, and what are the categories? - Answer Body mass index Body weight in kg/(height in m)2 Underweight, normal...

HSC 308 Final Exam Questions and Answers All Correct Why do weight category athletes need to be careful with CHO loading? - Answer- CHO loading greatly increases liver glycogen, 1 g glycogen stored with 2.6 g water. A person who CHO loads will naturally gain weight making it hard for them to truly CHO load for competition. Describe what the ideal sports drink would contain. - Answer- - H2O, energy in the form of CHO's, electrolytes. - 6-8 grams of CHO per 100 ml of fluid. Most glucose p...

HSC 308 Exam 3 Questions with All Correct Answers What is muscle plasticity? - Answer- The muscles' ability to change its structure and function How is motor unit recruitment linked to improvements in muscular strength? - Answer- It facilitates contraction, produces more forceful contractions, improves rates of force development, and increases capability to exert steady forces. ~Synchronous contractions leads to strength gains.s Improvements in muscular strength lead from increase mot...

HSC 308 Exam 1 Questions and Answers All Correct What is the purpose of a neurotransmitter used for neuron to muscle communication - Answer- Carry AP signal across synaptic cleft What is the effect of exercise on PGC1 used during exercise - Answer- - increases branching of the presynaptic terminal motor neuron - increases the number of presynaptic vesicles containing acetylcholine - increases the number of acetycoline receptors in the cell membrane - decreases the size of motor end pla...

HSC 308 Reviews 1-6 Exam Questions with All Correct Answers What is the function of the endocrine system - Answer- a chemical communication system constantly monitors internal environment coordinated integration of physiological system during rest and exercise maintains homeostasis during exercise (controls substrate metabolism, regulates electrolyte balance) how do cells control hormone effects - Answer- change sensitivity to hormones number of receptors on cell surface can chan...

HSC 308 Exam 3 Questions and Answers All Correct 2024 New Update What is the Physiological bases for Type 1 EAMC (Exercise associated muscle cramps) - Answer- Type 1 EAMC = muscle overload/fatigue o Localized to overworked muscle o Risks = poor stretching, age, history, high intensity o Treatment = rest and/or passive stretching What is the Physiological bases for Type 2 EAMC? - Answer- Type 2 EAMC = electrolyte deficits o Excessive sweating Na+, Cl- disturbances o Neuromuscular jun...

HSC 308 CH 14 TEST QUESTIONS AND CORRECT ANSWERS (ALREADY GRADED A+) What periodization of training and why is it becoming more popular? - Answer- dividing training into cycles *gaining popularity bc it allows focus on a few skills/attributes From the bed rest study mentioned in class, between trained and untrained people explain the relationship of how quickly it takes to regain VO2 max. - Answer- untrained people take less time to get back to their normal VO2max since it was already low to...