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WorksheetsMuScLeS!
Total questions: 57
Worksheet time: 39mins
Which statement best describes the location of the Perimysium?
It surrounds the entire muscle.
It surrounds the sarcomere.
It surrounds each fascicle.
It surrounds the myofiber.
Muscles are responsible for producing most of our:
body heat
white blood cells
protein synthesis
erythrocytes
If you do not exercise your muscles, they will become weak, flaccid, and will begin to:
hypertrophy
atrophy
fill with fluid
become myosclerotic
ATP is required for muscles to contract. Which of the following statements is FALSE?
ATP is used to get the cross‐bridges to bind to actin.
ATP is used to get the cross‐bridges to disconnect from actin.
ATP is used to get the troponin‐tropomyosin complex to move in such a manner to expose the binding sites.
Which source of ATP lasts the longest and is the most efficient?
creatine phosphate
anaerobic glycolysis
aerobic respiration
What source of fuel is mainly used during a sprint?
creatine phosphate
anaerobic glycolysis
aerobic respiration
What type of contraction is happening here??
isostabilize
isokinetic
isotonic
isometric
During the first few minutes of exercise, the exercising muscle uses different energy sources to produce the ATP molecules necessary for contraction. Given the following sources of ATP production:
- anaerobic respiration
- aerobic respiration
- breakdown of creatine phosphate
Choose the arrangements that lists the energy sources in the order they are used.
1,2,3
1,3,2
2,1,3
2,3,1
3,1,2
This muscle helps to elevate the mandible (2)
frontalis
occipitalis
temporalis
platysma
This muscle puckers the lips (15)
orbicularis oris
orbicularis oculi
zygomaticus
masseter
This muscle elevates the mandible (5)
frontalis
zygomaticus
platysma
masseter
Who is mostly affected by Duchenne Muscular Dystrophy?
Males
Females
•Progressive muscle atrophy
•Severe X-linked form occurs in 1 of every 3000 – 5000 boys; can be detected with 95% accuracy in pregnancy
