Over the past week or so, many individuals have been taking only a small fraction of the number of daily steps that they took in February. Consequently, we correctly expect to see muscular ___ and increased ___ in these individuals.
Atrophy - vascularization
In Phys Phab Andrew's virtual anatomy lab earlier this week, he was examining lower leg muscles. When observing the myofibers donated from an elite marathon runner's gastrocnemius muscle (calf muscle), he saw that the color was ___ and correctly anticipated that they would have a low amount of ___.
Dark red - glycolytic enzymes
The myofiber types of ___ and ___ can be combined because they both have ___ than the third type.
Fast oxidative - fast glycolytic - higher ATPase activity
Which is a correct statement about unfused tetanus?
It is caused by multiple action potentials.
Before Spring Break, the UPS person delivered a weighty box of supplies for the next Crabix into Juniors upturned hands. While the box initially moved towards the ground, Junior as able to raise it back up to the original level before heading inside to get to work on the next Crabix. Which is a correct statement about Junior's biceps during this package receiving process?
An isotonic contraction occurred at the end.
If a skeletal muscle fiber appears to be ___ in color and has ___ ATPase activity, then you can correctly assume that it also has a(n) ___ amount of enzymes for glycolysis.
White - high - high
Which is a correct statement about the withdrawal response that was presented in lecture?
The extensor muscle's motor neuron was inhibited.
Which is a correct statement about the sources of ATP for skeletal muscles?
High levels of glucose within the myofiber can lead to an osmotic pressure issue.
While eating a chicken breast (little used flight muscles for this relatively flightless bird), you think about its white coloration. Then, you spot a duck flying and watch for a long while until it disappears near the horizon. Looking back at your food, you correctly realize that, if you were instead holding a duck breast, it would
Contain less glycogen
Brutus Buckeye decided to take a creatine supplement to get swole (lifters' term for big muscles). When you chat with him online, you correctly tell him that increasing the creatine levels in his muscles will
Both statements are correct.
Which is a correct statement about the knee-jerk reflex?
The flexor's motor neuron is inhibited.
For the 2020 Phys Phab Summer Olympics, Phys Phab Usman is training to win the 100-m sprint and Phys Phab Hameed is working to win the weight-lifting event. Consequently, you correctly realize that
All three statements are correct
Also, for those Olympics, Phys Phab Lauren has been improving her running times to win the marathon. Consequently, she correctly knows that by taking long runs most days,
Both statements are correct.
While moving boxes last week, Phys Phab Claire first picked up a pretty heavy box, but then her second box was about half the weight of the first. While carrying a third box, she considered those first two boxes. Which is a correct statement about picking up those first two boxes?
Ultimately, her response for both boxes was the same
After a long day at the hospital, Dr. Scarlet considers all those exhausted leg muscles. The good doctor correctly notes that myofiber fatigue is determined by
Both statements are correct.