Question 1

Which fascicle arrangement is best suited for closing body openings, such as the mouth or eyes?

Accepted Answer

Circular

Question 2

The pectoralis major muscle is an example of which type of fascicle arrangement?

Accepted Answer

Convergent

Question 3

Which muscle type is characterized by fascicles running parallel to the long axis of the muscle, allowing for greater range of motion but less power?

Accepted Answer

Parallel

Question 4

If a muscle is designed for maximum force production, which fascicle arrangement would it most likely have?

Accepted Answer

Multipennate

Question 5

Which muscle is an example of a fusiform fascicle arrangement?

Accepted Answer

Biceps brachii

Question 6

A muscle with fascicles attaching obliquely to a single tendon is classified as:

Accepted Answer

Unipennate

Question 7

Which muscle is an example of a bipennate fascicle arrangement?

Accepted Answer

Rectus femoris

Question 8

What is the primary advantage of a multipennate muscle arrangement?

Accepted Answer

Generates the greatest force

Question 9

Which equation best represents the relationship between muscle force ($$F$$), cross-sectional area ($$A$$), and specific tension ($$	au$$)?

Accepted Answer

$$F = 	au 	imes A$$

Question 10

A patient is unable to pucker their lips. Which muscle and fascicle arrangement is most likely affected?

Accepted Answer

Orbicularis oris; Circular

Question 11

Which fascicle arrangement is most likely to produce a rapid, but less powerful contraction?

Accepted Answer

Parallel

Question 12

If a muscle is responsible for both flexion and rotation of a limb, which fascicle arrangement is most likely present?

Accepted Answer

Convergent

Question 13

Which muscle arrangement is most likely to be found in muscles that control fine movements of the fingers?

Accepted Answer

Unipennate

Question 14

Which of the following statements about muscle fascicle arrangements is correct?

Accepted Answer

Circular muscles are best for closing body openings.

Question 15

A muscle with fascicles running at an angle to both sides of a central tendon is classified as:

Accepted Answer

Bipennate

Question 16

Which muscle arrangement is most likely to be found in muscles that require both strength and versatility, such as the deltoid?

Accepted Answer

Multipennate

Question 17

Which muscle arrangement is most likely to be found in muscles that span long distances and produce less force, such as the sartorius?

Accepted Answer

Parallel

Question 18

Which of the following is NOT a characteristic of a convergent muscle arrangement?

Accepted Answer

Fascicles run parallel to the long axis

Question 19

Which muscle arrangement is most likely to be found in muscles that act as sphincters?

Accepted Answer

Circular

Question 20

Which muscle arrangement is most likely to be found in muscles that require both speed and a moderate amount of force, such as the biceps brachii?

Accepted Answer

Fusiform

Patterns of Fascicle Arrangement in Skeletal Muscles

Study Guide - Practice Questions