BI 232 Chapter 9: Muscles and Muscle Tissue -
Review Questions 2026 Answers Guide
1. What is the term used to refer to the skeletal muscle Muscle fiber
cells?
2. What muscle tissue is characterized to be both volun- A. Skeletal muscle
tary and striated?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
3. Which of the following muscle tissues are both invol- C. Cardiac muscle
untary and striated?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
4. What muscle tissue does not possess any striations B. Smooth muscle
and is under involuntary control?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
5. Enumerate the four key characteristics of the muscle Excitability, Contractility,
tissue. Extensibility, Elasticity
6. is the characteristic of the muscle tissue that al- Excitability
lows it to alter its membrane potential upon receiving
a stimulus.
7. Heart.
, BI 232 Chapter 9: Muscles and Muscle Tissue -
Review Questions 2026 Answers Guide
The cardiac muscle tissue can only be found in the
.
8. Which of the following muscle tissues have an exten- A. Skeletal muscle
sive blood supply?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
9. is the connective tissue sheath that wraps around Epimysium
the whole muscle.
10. Differentiate the perimysium from the endomysium. The perimysium wraps
around the bundle of
muscle fibers, which is
called the fascicle. Mean-
while, the endomysium
specifically wraps around
each individual muscle
fiber.
11. Differentiate the direct muscle attachment from the In direct attachment, the
indirect muscle attachment. outer epimysium of the
muscle is attached to
the bone or the carti-
lage. Meanwhile, in indi-
, BI 232 Chapter 9: Muscles and Muscle Tissue -
Review Questions 2026 Answers Guide
rect attachments, muscle
tissue extensions such as
the tendon or aponeurosis
connects with the bone or
cartilage.
12. Which is the more common attachment? B. Indirect
A. Direct
B. Indirect
C. Both
13. The muscle fiber is comprised of smaller rodlike con- myofibril
tractile organelles known as .
14. The smaller segments of the myofibrils, which are also sarcomere
regarded as the functional contractile unit of the mus-
cle tissue, is known as the .
15. Explain what makes up the striations of the cardiac and Striations are the alternat-
skeletal muscle tissue. ing light and dark bands,
named the I bands and A
bands, respectively. These
span the entire length of
the myofibril, giving the
muscle tissue its charac-
teristic striations.
Review Questions 2026 Answers Guide
1. What is the term used to refer to the skeletal muscle Muscle fiber
cells?
2. What muscle tissue is characterized to be both volun- A. Skeletal muscle
tary and striated?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
3. Which of the following muscle tissues are both invol- C. Cardiac muscle
untary and striated?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
4. What muscle tissue does not possess any striations B. Smooth muscle
and is under involuntary control?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
5. Enumerate the four key characteristics of the muscle Excitability, Contractility,
tissue. Extensibility, Elasticity
6. is the characteristic of the muscle tissue that al- Excitability
lows it to alter its membrane potential upon receiving
a stimulus.
7. Heart.
, BI 232 Chapter 9: Muscles and Muscle Tissue -
Review Questions 2026 Answers Guide
The cardiac muscle tissue can only be found in the
.
8. Which of the following muscle tissues have an exten- A. Skeletal muscle
sive blood supply?
A. Skeletal muscle
B. Smooth muscle
C. Cardiac muscle
9. is the connective tissue sheath that wraps around Epimysium
the whole muscle.
10. Differentiate the perimysium from the endomysium. The perimysium wraps
around the bundle of
muscle fibers, which is
called the fascicle. Mean-
while, the endomysium
specifically wraps around
each individual muscle
fiber.
11. Differentiate the direct muscle attachment from the In direct attachment, the
indirect muscle attachment. outer epimysium of the
muscle is attached to
the bone or the carti-
lage. Meanwhile, in indi-
, BI 232 Chapter 9: Muscles and Muscle Tissue -
Review Questions 2026 Answers Guide
rect attachments, muscle
tissue extensions such as
the tendon or aponeurosis
connects with the bone or
cartilage.
12. Which is the more common attachment? B. Indirect
A. Direct
B. Indirect
C. Both
13. The muscle fiber is comprised of smaller rodlike con- myofibril
tractile organelles known as .
14. The smaller segments of the myofibrils, which are also sarcomere
regarded as the functional contractile unit of the mus-
cle tissue, is known as the .
15. Explain what makes up the striations of the cardiac and Striations are the alternat-
skeletal muscle tissue. ing light and dark bands,
named the I bands and A
bands, respectively. These
span the entire length of
the myofibril, giving the
muscle tissue its charac-
teristic striations.
