TEST MUSCLE SYSTEM

Question 1

Which are thick myofilaments?

Answer 1

Myosin

Question 2

The basic functional contractile units of skeletal muscle are called:

Answer 2

Sarcomeres

Question 3

Sarcomeres are separated from each other by:

Answer 3

Z Lines

Question 4

The point of contact of efferent nerve endings and the muscle fiber it innervates is:

Answer 4

Neuromuscular Junction

Question 5

Which type of contraction enables us to maintain posture:

Answer 5

Tonic

Question 6

Walking, running, hopping, lifting, etc., are examples of contractions.

Answer 6

Isotonic

Question 7

After birth and into adulthood, we can increase the number of muscle fibers:

Answer 7

False

Question 8

Where do we find intercalated disks?

Answer 8

Cardiac Muscle

Question 9

In which type of muscle do we find striations:

Answer 9

Cardiac & Skeletal Muscle

Question 10

Can muscles perform partial contractions?

Answer 10

No
ALL OR NOTHING!

Question 11

Accumulation of carbon dioxide at the cellular level of the muscle tissue will cause:

Answer 11

Lactic Acid Development, Muscular Soreness, & Reduced Strength

Question 12

Which type of contraction permits posture?

Answer 12

Tonic - sustained contraction
of different groups of fibers