Phys of Ex Lab Exam 2 Lab 7

Your subject is a college aged female who ran at a moderate intensity on a treadmill for 58 minutes. Her resting VO2 was 0.30 L/min, her resting VCO2 was 0.25 L/min, her exercise VO2 was 2.25 L/min, and her her exercise RER was 0.70, how many kcals of carbohydrates did she expend during this exercise bout? no units required RER - 4.686 % Carb - 0 % Fat - 100

0

Your subject is a college aged female who ran at a moderate intensity on a treadmill for 30 minutes. Her resting VO2 was 0.26 L/min, her resting VCO2 was 0.25 L/min, her exercise VO2 was 1.50 L/min, and her her exercise RER was 0.96, how many kcals of energy did she expend during this exercise bout? no units required CE - 4.998

185.9

Your subject is a 147 pound female exercising in a 20.6 C lab. Her HR is 147 bpm, her blood lactate is 2.6 mM, her VO2 is 2.45 L/min, her RER is 0.80, her core temperature is 37.4 C, her average skin temperature is 35.2 C , and her resting VO2 was 0.30 L/min. What is her thermal gradient. No units required.

2.2

Your subject is a 158 pound male exercising in a 19.4 C lab. His HR is 120 bpm, his blood lactate is 3.7 mM, his VO2 is 2.05 L/min, his RER is 0.88, his core temperature is 38.1 C, his average skin temperature is 34.9 C , and his resting VO2 was 0.31 L/min. What is his thermal gradient. No units required.

3.2

Your subject is a college aged female who ran at a moderate intensity on a treadmill for 46 minutes. Her resting VO2 was 0.27 L/min, her resting VCO2 was 0.25 L/min, her exercise VO2 was 1.96 L/min, and her her exercise RER was 0.87, how many kcals of energy did she expend during this exercise bout? no units required RER - 4.887

379.9

Your subject is a 153 pound female exercising in a 21.9 C lab. Her HR is 133 bpm, her blood lactate is 2.7 mM, her VO2 is 1.30 L/min, her RER is 0.86, her core temperature is 38.3 C, her average skin temperature is 32.4 C , and her resting VO2 was 0.28 L/min. What is her thermal gradient. No units required.

5.9

Your subject is a college aged female who ran at a moderate intensity on a treadmill for 25 minutes. Her resting VO2 was 0.32 L/min, her resting VCO2 was 0.25 L/min, her exercise VO2 was 2.09 L/min, and her her exercise RER was 0.79, how many kcals of carbohydrates did she expend during this exercise bout? no units required CE - 4.788 % Carb - 28.3 % Fat - 71.7

60.0

Your subject is a college aged female who ran at a moderate intensity on a treadmill for 77 minutes. Her resting VO2 was 0.31 L/min, her resting VCO2 was 0.25 L/min, her exercise VO2 was 2.03 L/min, and her her exercise RER was 0.71, how many kcals of fat did she expend during this exercise bout? no units required RER - 4.69 % Carb - 1 % Fat - 99

614.9

Which of the following enzymes would tend to increase triglyceride breakdown in adipose tissue? a. hormone sensative lipase b. none of these answers c. phosphorylase d. lipoprotein lipase e. phosphofructokinase

A

Which of the following hormones would increase glycogenolysis in adipose tissue? select all that apply a. this process doesn't occur in this tissue b. cortisol c. epinephrine d. norepinephrine e. glucagon f. growth hormone g. insulin

A

Which of the following hormones would inhibit lipolysis in adipose tissue? select all that apply a. insulin b. growth hormone c. glucagon d. cortisol e. epinephrine f. glycogen g. norepinephrine

A

which of the following is/are hormones that would tend to increase muscle glycogen storage? a. insulin b. glucagon c. hormone sensative lipase d. phosphorylase e. pyruvate dehydrogenase f. phosphofructokinase g. epinephrine h. glycogen synthase

A

In one of our lab VII experiments we looked at the effects of intensity on fuel substrate use. Which of the following statements regarding exercise intensity and fuel substrate use is/are NOT true? a. high intensity exercise is associated with greater recruitment of fast twitch fibers, which tends to decreases carbohydrate use b. high intensity exercise increases epinephrine secretion, which tends to increase glycogenolysis c. the amount of calories coming from intramuscular triglycerides increases when we change from low to moderate intensity exercise d. high intensity exercise increases cytoplasmic calicum concentrations, which increaseses muscle glycogen breakdown e. during moderate intensity exercise a smaller percentage of calories comes from circulating fuels than during low intensity exercise f. high intensity exercise decreases insulin secretion, which tends to increase phosphorylase activity, which tends to increase carbohydrate use g. the absolute number of fat calories burned at low intensities is usually higher than the amount burned during moderate intensity exercise

A and G

Which of the following hormones would tend to inhibit glucose uptake by adipose tissue and muscle (at rest)? a. growth hormone b. glucagon c. epinephrine d. insulin e. glycogen f. norepinephrine g. cortisol

A and G

Which of the following hormones would tend to stimulate lipolysis? select all that apply a. norepinephrine b. glycogen c. growth hormone d. glucagon e. insulin f. epinephrine g. cortisol

A, C, D, F and G

Which of the following hormones would tend to increase blood glucose? select all that apply a. growth hormone b. insulin c. norepinephrine d. glycogen e. epinephrine f. cortisol g. glucagon

A, C, E, F, and G

Which of the following hormones would tend to increase liver glycogenolysis? a. norepinephrine b. insulin c. glycogen d. epinephrine e. cortisol f. glucagon

A, D, and F

If the weather report (or your sling psychrometer) say that the wet bulb temperature was 62F and the dry bulb temperature was 75F. The temperature in the lab was 22C (75F), the subject's core temperature was 37.1C, and their skin temperature was 34.4. Which of the following are true about the humidity under these circumstances? a. the information provided does not have enough information to identify the humidity b. it is neither very humid, nor very dry c. It is very humid d. there is low humidity

B

In one of our lab VII experiments we looked at the effects of intensity on fuel substrate use. Which of the following statements regarding exercise intensity and fuel substrate use is/are NOT true? a. high intensity exercise increases epinephrine secretion, which tends to increase glycogen breakdown b. high intensity exercise decreases insulin secretion, which tends to decrease muscle glycogen breakdown c. higher intensities are associated with greater use of muscle glycogen than low intensities d. high intensity exercise increases cytoplasmic calicum concentrations, which increaseses glycogenolysis and increases carbohydrate use e. higher intensities are associated with greater use of carbohydrates than low intensities f. moderate intensity exercise is associated with greater use of muscle triglyceride use than at very low intensities g. high intensity exercise is associated with greater recruitment of fast twitch fibers, which tends to increase carbohydrate use

B

Which of the following would increase the number of GLUT4 transporters in the muscle cell membrane? select all that apply a. growth hormone b. insulin c. norepinephrine d. muscularr activity/exercise e. epinephrine f. cortisol g. glucagon

B and D

which of the following would tend to increase glycogen stores? a. hormone sensative lipase b. insulin c. glucagon d. glycogen synthase e. epinephrine f. phosphorylase g. pyruvate dehydrogenase h. phosphofructokinase

B and D

Which of the following hormones would tend to increase hepatic glucose output? a. insulin b. cortisol c. norepinephrine d. glucagon e. growth hormone f. glycogen g. epinephrine

B, C, D, and G

If the weather report (or your sling psychrometer) say that the wet bulb temperature was 45F and the dry bulb temperature was 67F, and your subject's core temperature was 37.1C, and their skin temperature was 33.2. Which of the following are true about the humidity under these circumstances? a. It is very humid b. it is neither very humid, nor very dry c. there is low humidity d. the information provided does not have enough information to identify the humidity

C

If the weather report (or your sling psychrometer) say that the wet bulb temperature was 53F and the dry bulb temperature was 80F, and your subject's core temperature was 37.4C, and their skin temperature was 34.2. Which of the following are true about the humidity under these circumstances? a. it is neither very humid, nor very dry b. It is very humid c. there is low humidity d. the information provided does not have enough information to identify the humidity

C

If the weather report (or your sling psychrometer) say that the wet bulb temperature was 78F and the dry bulb temperature was 80F, and your subject's core temperature was 37.2C, and their skin temperature was 36.5. Which of the following are true about the humidity under these circumstances? a. the information provided does not have enough information to identify the humidity b. it is neither very humid, nor very dry c. It is very humid d. there is low humidity

C

Which of the following would increase muscle glucose uptake? select all that apply a. cortisol b. norepinephrine c. muscularr activity/exercise d. insulin e. glucagon f. epinephrine g. growth hormone

C and D

which of the following would tend to increase glycogen stores? a. pyruvate dehydrogenase b. hormone sensative lipase c. insulin d. phosphofructokinase e. glucagon f. glycogen synthase g. phosphorylase h. epinephrine

C and F

Glycogen synthase catalyzes which of the following processes? a. None of the above b. Glycolysis c. Gluconeogenesis d. Glycogenesis e. Glycogenolysis

D

If the weather report (or your sling psychrometer) say that the wet bulb temperature was 65F and the dry bulb temperature was 67F, and your subject's core temperature was 37.1C, and their skin temperature was 36.2. Which of the following are true about the humidity under these circumstances? a. there is low humidity b. it is neither very humid, nor very dry c. the information provided does not have enough information to identify the humidity d. It is very humid

D

In one of our lab VII experiments we looked at the effects of intensity on fuel substrate use. Which of the following statements regarding exercise intensity and fuel substrate use is/are NOT true? a. high intensity exercise increases epinephrine secretion, which tends to increase glycogen breakdown b. high intensity exercise increases cytoplasmic calcium concentrations, which increases glycogenolysis and increases carbohydrate use c. moderate intensity exercise is associated with greater use of muscle triglyceride use than at very low intensities d. at higher intensities the percentage of calories coming from circulating fuel sources increases e. the absolute number of fat calories burned at moderate intensities may be equal or greater to the number of fat calories burned during low intensity exercise f. high intensity exercise is associated with greater recruitment of fast twitch fibers, which tends to increase carbohydrate use g. high intensity exercise decreases insulin secretion, which tends to increase muscle glycogen breakdown

D

Which of the following is an enzyme that promotes glylcogenolysis? a. insulin b. glycogenesis c. phosphofructokinase d. phosphorylase e. glycogen synthase f. glycogen g. glucagon

D

In one of our lab VII experiments we looked at the effects of intensity on fuel substrate use. Which of the following statements regarding exercise intensity and fuel substrate use is/are NOT true? a. high intensity exercise decreases insulin secretion, which tends to increase muscle glycogenolysis b. during moderate intensity exercise a smaller percentage of calories come from fats than during low intensity exercise c. the absolute number of fat calories burned at moderate intensities may be equal or greater than the fat calories burned during low intensity exercise d. at higher intensities the percentage of calories coming from circulating fatty acids increases e. high intensity exercise increases epinephrine secretion, which tends to increase glycogen breakdown f. high intensity exercise is associated with greater recruitment of slow twitch fibers, which tends to increase carbohydrate use g. high intensity exercise increases cytoplasmic calicum concentrations, which increaseses the activity of phosphorylase, which increases carbohydrate use

D and F

In one of our lab VII experiments we looked at the effects of intensity on fuel substrate use. Which of the following statements regarding exercise intensity and fuel substrate use is/are NOT true? a. high intensity exercise increases epinephrine secretion, which tends to increase glycogenolysis b. during moderate intensity exercise a smaller percentage of calories comes from circulating fuels than during low intensity exercise c. high intensity exercise increases cytoplasmic calicum concentrations, which increaseses muscle glycogen breakdown d. high intensity exercise is associated with greater recruitment of fast twitch fibers, which tends to decreases carbohydrate use e. high intensity exercise decreases insulin secretion, which tends to increase phosphorylase activity, which tends to increase carbohydrate use f. the absolute number of fat calories burned at low intensities is usually higher than the amount burned during moderate intensity exercise g. the amount of calories coming from intramuscular triglycerides increases when we change from low to moderate intensity exercise

D and F

Which of the following enzymes would tend to increase lipolysis in adipose tissue? a. lipoprotein lipase b. phosphorylase c. phosphofructokinase d. none of these answers e. hormone sensitive lipase

E

Which of the following is an enzyme that promotes breakdown of glucose to pyruvate? a. glucagon b. glycogen c. glycogen synthase d. insulin e. phosphofructokinase f. phosphorylase g. glycogenesis

E

which of the following is/are hormones that would tend to increase glycogenesis? a. pyruvate dehydrogenase b. glucagon c. epinephrine d. glycogen synthase e. phosphorylase f. insulin g. hormone sensative lipase h. phosphofructokinase

F

Which of the following is an enzyme that promotes glycogenesis? a. glycogenolysis b. glycogen c. glucagon d. phosphofructokinase e. phosphorylase f. insulin g. glycogen synthase

G