NAME______________________ BIOLOGY 2401
DATE______________________ MUSCLE QUIZ F99
1. Identify the muscle tissue types that demonstrate the below characteristics. Circle all that
apply.
a. gap junctions – skeletal/cardiac/smooth
b. voluntary – skeletal/cardiac/smooth
c. sarcomeres – skeletal/cardiac/smooth
d. involuntary – skeletal/cardiac/smooth
2. List three functions of muscle tissue.
3. Lifting a book would be an example of an isotonic/isometric contraction. When raising
the book the contraction would be eccentric/concentric and when lowing the book the
contraction would be eccentric/concentric.
4. The ion that brings about a change in shape of the troponin-tropomyosin complex for
muscle contraction is ______________. The neurotransmitter released at the
neuromuscular junction that brings about depolarization and starts the muscle action
potential is ___________. The functional unit of a muscle fiber is ________________.
5. An increase in the diameter of a muscle fiber due to resistance activities such as weight
training is known as hypertrophy/atrophy. The wasting away of muscle fibers due to
disuse or denervation is known as hypertrophy/atrophy.
6. List three structural differences between slow oxidative (red) fibers and fast glycolytic
(white) fibers.
7. The muscle that causes a desired action is called the _____________ while the muscle that
relaxes to allow the desired action to occur is called the ___________________.
8. Identify the below muscles.
a. This muscle elevates the mandible.
b. This muscle keeps you from urinating on yourself in class.
c. This muscle plantar flexes your foot.
d. This muscle abducts your arm.
e. This muscle extends your forearm.
9. Identify the below muscles.
a. This muscle extends the thigh.
b. This muscle flexes the leg.
c. This muscle extends and abducts the wrist.
10. Identify the muscle that originates (o) or inserts (I) on the below major markings.
a. patella (I) –
b. zygomatic arch (o) –
c. olecranon (I) –
d. ischial tuberosity (o) –
e. ilium (o) –
11. Identify the below proteins.
a. This protein makes up the thick filaments. Troponin/actin/myosin
b. This protein contains the calcium binding sites. Troponin/tropomyosin/actin
c. This protein covers the myosin binding sites on actin. Troponin/actin/tropomyosin
12. Match the appropriate muscle with the below activities or condition it is involved in.
a. supraspinatus
b. iliopsoas
c. semitendinosus
d. tibialis anterior
e. gluteus medius
_____
_____
_____
_____
_____
This
This
This
This
This
muscle
muscle
muscle
muscle
muscle
is a common injection site.
may be involved in shinsplints.
is involved in a pulled hamstring.
is involved in rotator cuff injuries.
is involved in a pulled groin.