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Group 2 – Secon 16.4–16.7 Insulin operates under __________. humoral smulaon Aldosterone secreon is smulated by all the following factors except (decreased blood pH, rising blood levels of potassium, falling blood levels of sodium. ) increased plasma volume. Corsol acts to smulate gluconeogenesis. Aldosterone ___. funcons to increase sodi

BIO | 111 | Anatomy and Physiology | study guides | Group 2 – Secon 16.4–16.7 Ins

● Question 1 ● 1 out of 1 points ● ● ● ● Arthur Flint, Jr. developed the first formal exercise physiology laboratory in the United States. ● ● ● ● ● Selected Answer: ● False ● Correct Answer: ● False ● ● Response Feedback: ● Congratulat ions! ● ● ● ● ● Question 2 ● 1 out of 1 points ● ● ● ● When we do not exercise regularly, our bodies respond in ways that enhance our ability to survive a famine or drought, but are detrimental to our long-term health. ● ● ● ● ● Selected Answer: ● True ● Correct ● True ● ● ● Answer: ● ● Question 3 ● 1 out of 1 points ● ● ● ● Our ancestors were much more physically active than most of us are today. ● ● ● ● ● Selected Answer: ● True ● Correct Answer: ● True ● ● ● ● ● Question 4 ● 1 out of 1 points ● ● ● ● The Harvard Fatigue Laboratory was ● ● ● ● ● Selecte d Answer: ● A. ● founded by Lawrence J. Henderson and directed by David Bruce Dill ● Correct Answer: ● A. ● founded by Lawrence J. Henderson and directed by David Bruce Dill ● ● ● ● ● Question 5 ● 1 out of 1 points ● ● ● ● Our bodies are designed for a high volume of physical activity (many hours per day). ● ● ● ● ● Selected Answer: ● True ● Correct Answer: ● True ● ● ● ● ● Question 6 ● 1 out of 1 points ● ● ● ● Beginning in 1927, this institution established exercise physiology as an important academic discipline. ● ● ● ● ● Selected Answer: ● C. ● Harvard Fatigue Laboratory ● Correct Answer: ● C. ● Harvard Fatigue Laboratory ● ● ● ● ● Question 7 ● 1 out of 1 points ● ● ● ● The first scientific journal to publish exercise physiology articles was the ______________. ● ● ● ● ● Selected Answer: ● B. ● American Journal of Physiology ● Correct Answer: ● B. ● American Journal of Physiology ● ● ● ● ● Question 8 ● 1 out of 1 points ● ● ● ● Ten minutes per day of vigorous physical activity is almost as good for us as 10-12 hours per day ( and in some ways may even be better than 10-12 hours per day). ● ● ● ● ● Selected Answer: ● False ● Correct Answer: ● False ● ● ● ● ● Question 9 ● 1 out of 1 points ● ● ● ● The most noteworthy European-based research in exercise physiology during the last 100 years was centered in countries bordering the Mediterranean Sea, especially Greece, Italy, and Turkey. ● ● ● ● ● Selected Answer: ● False ● Correct Answer: ● False ● ● ● ● ● Question 10 ● 1 out of 1 points ● ● ● ● Which of the following fields of study contribute to the body of knowledge about exercise? ● ● ● ● ● Selected Answer: ● E. ● all of the above ● Correct Answer: ● E. ● all of the above ● ● ● ●

BIO | 104 | Biology of Exercise | question bank | ● Question 1 ● 1 out of 1 poin

● Question 1 ● 1 out of 1 points ● ● ● ● Alternating venous compression and relaxation by the actions of skeletal muscles as well as venous valves serve to increase venous ● ● ● ● ● Selected Answer: ● D. ● return ● Correct Answer: ● D. ● return ● ● ● ● ● Question 2 ● 1 out of 1 points ● ● ● ● Which of the following is not a change that occurs to the cardiovascular system during exercise? ● ● ● ● ● Selected Answer: ● D. ● constriction of blood vessels leading to active skeletal muscles ● Correct Answer: ● D. ● constriction of blood vessels leading to active skeletal muscles ● ● ● ● ● Question 3 ● 1 out of 1 points ● ● ● ● To the best of our current knowledge, which of the following does not play a role in regulating blood pressure? ● ● ● ● ● ● ● ● Selecte d Answer : ● F. ● signals from the vena cava to the cardiovascular centers in the brainstem ● Correct Answer : ● F. ● signals from the vena cava to the cardiovascular centers in the brainstem ● ● Question 4 ● 1 out of 1 points ● ● ● ● Stroke volume refers to the ● ● ● ● ● Selected Answer: ● A. ● amount of blood pumped per beat by each ventricle ● Correct Answer: ● A. ● amount of blood pumped per beat by each ventricle ● ● ● ● ● Question 5 ● 1 out of 1 points ● ● ● ● Under normal circumstances, the physiological pacemaker of the heart is the ● ● ● ● ● Selected Answer: ● D. ● sinoatrial node (SA node) ● Correct Answer: ● D. ● sinoatrial node (SA node) ● ● ● ● ● Question 6 ● 0 out of 1 points ● ● ● ● The arterio-venous oxygen difference (a-vO 2difference ) represents each of these except ● ● ● ● ● Sele cted Ans wer: ● B. ● The difference in the amount of oxygen carried by the venous blood compared to the arterial blood. ● Corr ect Ans wer: ● D. ● The difference in the level of oxygen in the pulmonary arteries versus the pulmonary veins as they pass through the capillary beds of the lungs. ● ● ● ● ● Question 7 ● 1 out of 1 points ● ● ● ● Regular exercise is harmful for individuals with hypertension. ● ● ● ● ● Selected Answer: ● False ● Correct Answer: ● False ● ● ● ● ● Question 8 ● 1 out of 1 points ● ● ● ● Which of the following is not a change that occurs to the cardiovascular system during exercise? ● ● ● ● ● Selected ● A. ● ● ● Answer: ● decreased blood pressure in the aorta ● Correct Answer: ● A. ● decreased blood pressure in the aorta ● ● Question 9 ● 1 out of 1 points ● ● ● ● Which of the following statements regarding the chambers of the heart is false ? ● ● ● ● ● Selecte d Answer : ● A. ● the right ventricle pumps against higher pressure and has thicker walls ● Correct Answer : ● A. ● the right ventricle pumps against higher pressure and has thicker walls ● ● ● ● ● Question 10 ● 1 out of 1 points ● ● ● ● Which of the following is not a characteristic adaptation one can expect from regular endurance training? ● ● ● ● ● Selected Answer: ● A. ● reduced capillary density ● Correct Answer: ● A. ● reduced capillary density ● ● ● ● ● Question 1 ● 1 out of 1 points ● ●

Question 1 1 out of 1 points Which of the following mechanisms of heat loss works eﬀectively when the ambient temperature is higher than core body temperature? Selected Answer: B. evaporati on Correct Answer: B. evaporati on  Question 2 1 out of 1 points Which of the following is not a consequence of heat acclimatization? Selected Answer: D. improved tolerance to exercise in cold ambient temperatures Correct Answer: D. improved tolerance to exercise in cold ambient temperatures  Question 3 1 out of 1 points The greatest impact on the eﬀectiveness of evaporative heat loss is Selected Answer: B. relative humidity of ambient air Correct Answer: B. relative humidity of ambient air  Question 4 1 out of 1 points Muscle spasms associated with exercise in the heat, without other symptoms would be referred to medically as Selected Answer: C. heat cramps Correct Answer: C. heat cramps  Question 5 1 out of 1 points Exhaustion, ﬂushed skin, dizziness, and nausea associated with exercise in the heat, without other symptoms would be referred to medically as Selected Answer: C. heat exhaustion Correct Answer: C. heat exhaustion  Question 6 1 out of 1 points The presence of sweat beads on the skin Selected Answer: D. is not the primary mechanism of sweating-induced heat loss Correct Answer: D. is not the primary mechanism of sweating-induced heat loss  Question 7 1 out of 1 points The heat produced during exercise by muscle contraction is considerable and must be dissipated to avoid overheating and heat stress injury. Selected Answer: True Correct Answer: Tru e  Question 8 1 out of 1 points Which of the following is not a mechanism of heat loss? Selected Answer: D. muscular activity Correct Answer: D. muscular activity  Question 9 1 out of 1 points As water evaporates it absorbs heat energy to change from a liquid to a gas (endothermic reaction). Selected Answer: True Correct Answer: Tru e  Question 10 1 out of 1 points Which of the following is not a consequence of dehydration? Selected Answer: B. temporary weight gain Correct Answer: B. temporary weight gain

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