Hsc 308 exam 1 - Study guides, Class notes & Summaries

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 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 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 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 Exam 3 Questions and Answers – Updated 2024 What are two good inidcators of aerobic performance? - Answer-VO2 max and lactate threshold Define and differentiate between muscular strength, power, and endurance - Answer-• Muscular strength = maximal force that a muscle or muscle group can generate • Muscular power = rate of which work is performed • Muscular endurance = capacity to perform repeated muscle contractions (or sustain a single contraction over time) Define aero...

Exam 3: HSC 308 Study Guide with Complete Solutions Define muscular strength - Answer-maximal force that a muscle or muscle group can produce define endurance - Answer-capacity to perform repeated muscle contractions over a period define power - Answer-rate of performing work (the explosive aspect of strength) define aerobic power - Answer-rate of energy release by oxygen-dependent metabolic processes define anaerobic power - Answer-rate of energy release by oxygen-independent processes ...

HSC 308 Exam 1 Questions and Answers – Updated 2024 Where does glycolysis occur in the skeletal muscle cells? Mitochondria Sarcoplasmic Reticulum Cytosol Golgi Apparatus - Answer-Cytosol Which of the following represents the adenylate kinase ATP ----- ADP + P PCr ----- Cr + P ADP + ADP ------ ATP + AMP ADP + P ----- ATP - Answer-ADP + ADP --------ATP + AMP Chemical energy stored in the phosphate bonds of ATP is converted into what two forms of energy during muscle contraction? EM...

HSC 308 Exam 1 Practice Questions and Answers – Updated 2024 What are the three types of muscle tissue? - Answer-Smooth Cardiac Skeletal Smooth muscle is: - Answer-involuntary, hollow organs, blood vessels Cardiac Muscle is: - Answer-involuntary, found in the heart Skeletal muscle is: - Answer-voluntary, makes up the skeleton Myosin (thick filaments) is: - Answer-two intertwined filaments with globular heads Globular Heads - Answer-protrude 360 deg. from thick filament axis and will i...