Question 1

Which type of muscle architecture is best suited to create the largest range of motion?

Accepted Answer

A) longitudinal 
B) unipennate 
C) bipennate 
D) multipennate 
A) longitudinal 
B) unipennate 
C) bipennate 
D) multipennate A

Question 2

Smaller motor units are composed of:

Accepted Answer

A) white fast-twitch fibers 
B) red slow-twitch fibers 
C) an even mixture of white fast-twitch and red slow-twitch fibers 
D) a majority of white fast-twitch and a small amount of red slow-twitch fibers 
A) white fast-twitch fibers 
B) red slow-twitch fibers 
C) an even mixture of white fast-twitch and red slow-twitch fibers 
D) a majority of white fast-twitch and a small amount of red slow-twitch fibers B

Question 3

Which type of bending posture puts the spinal joints into the open-packed position?

Accepted Answer

A) stoop bend 
B) squat bend with the trunk inclined forward 
C) squat bend with the trunk vertical 
D) stoop bend with an aligned spine 
A) stoop bend 
B) squat bend with the trunk inclined forward 
C) squat bend with the trunk vertical 
D) stoop bend with an aligned spine A

Question 4

Which of the following characterizes sarcomere length and actin-myosin cross-bridges?

Accepted Answer

A) Shorter sarcomeres have more actin-myosin cross-bridges. 
B) Longer sarcomeres have more actin-myosin cross-bridges. 
C) Sarcomeres at resting length have more actin-myosin cross-bridges. 
D) Sarcomere length is independent of the number of actin-myosin cross-bridges. 
A) Shorter sarcomeres have more actin-myosin cross-bridges. 
B) Longer sarcomeres have more actin-myosin cross-bridges. 
C) Sarcomeres at resting length have more actin-myosin cross-bridges. 
D) Sarcomere length is independent of the number of actin-myosin cross-bridges.

Question 5

A pair of tweezers is an example of what class of lever?

Accepted Answer

A) first 
B) first and second 
C) third 
D) second and third 
A) first 
B) first and second 
C) third 
D) second and third

Question 6

Which of the following muscle architectures have the fibers arranged in a featherlike pattern?

Accepted Answer

A) rhomboidal 
B) fan shaped 
C) pennate 
D) spiral 
A) rhomboidal 
B) fan shaped 
C) pennate 
D) spiral

Question 7

Which of the following word roots means to endure?

Accepted Answer

A) actus 
B) levis 
C) dolor 
D) passivus 
A) actus 
B) levis 
C) dolor 
D) passivus

Question 8

The disadvantage of increased leverage is that the:

Accepted Answer

A) power of the contraction is decreased 
B) mechanical advantage is decreased 
C) speed of motion of the body part is decreased 
D) range of motion of the body part is decreased 
A) power of the contraction is decreased 
B) mechanical advantage is decreased 
C) speed of motion of the body part is decreased 
D) range of motion of the body part is decreased

Question 9

Which class of lever has the greatest leverage for the force that causes motion?

Accepted Answer

A) first-class 
B) second-class 
C) third-class 
D) none of these choices 
A) first-class 
B) second-class 
C) third-class 
D) none of these choices

Question 10

When a multijoint muscle shortens across one joint,its pulling strength across the other joint or joints that it crosses becomes:

Accepted Answer

A) stronger 
B) weaker 
C) unchanged 
D) developed 
A) stronger 
B) weaker 
C) unchanged 
D) developed

Question 11

Which of the following word roots means feather?

Accepted Answer

A) penna 
B) avia 
C) volo 
D) bis 
A) penna 
B) avia 
C) volo 
D) bis

Question 12

The best way to determine the strength of a muscle's contraction is by the number of:

Accepted Answer

A) motor units being recruited 
B) muscle fibers contracting 
C) sarcomeres contracting 
D) actin-myosin cross-bridges formed 
A) motor units being recruited 
B) muscle fibers contracting 
C) sarcomeres contracting 
D) actin-myosin cross-bridges formed

Question 13

Which of the following word roots means light?

Accepted Answer

A) tenseo 
B) moveo 
C) levis 
D) penna 
A) tenseo 
B) moveo 
C) levis 
D) penna

Question 14

What are the two major categories of muscle fiber architecture?

Accepted Answer

A) strap and rectangular 
B) longitudinal and spiral 
C) pennate and sphincter 
D) pennate and longitudinal 
A) strap and rectangular 
B) longitudinal and spiral 
C) pennate and sphincter 
D) pennate and longitudinal

Question 15

The sliding filament mechanism generates what type of muscular tension?

Accepted Answer

A) active only 
B) passive only 
C) active and passive 
D) neither active nor passive 
A) active only 
B) passive only 
C) active and passive 
D) neither active nor passive

Question 16

What class of lever has the force that causes motion and the force of resistance to motion on the same side of the axis of motion?

Accepted Answer

A) first 
B) second 
C) third 
D) choices b and c 
A) first 
B) second 
C) third 
D) choices b and c

Question 17

The graphed line that represents the pulling strength of a muscle at various lengths of the muscle is what type of relationship curve?

Accepted Answer

A) length-strength 
B) tension-distance 
C) distance-force 
D) length-tension 
A) length-strength 
B) tension-distance 
C) distance-force 
D) length-tension

Question 18

Which of the following word roots means from without?

Accepted Answer

A) intrinsecus 
B) extrinsecus 
C) penna 
D) longitude 
A) intrinsecus 
B) extrinsecus 
C) penna 
D) longitude

Question 19

Motor unit innervation includes that small motor units:

Accepted Answer

A) are innervated by large motor neurons 
B) are innervated by small motor neurons 
C) and large motor units are innervated by small motor neurons 
D) and large motor units are innervated by large motor neurons 
A) are innervated by large motor neurons 
B) are innervated by small motor neurons 
C) and large motor units are innervated by small motor neurons 
D) and large motor units are innervated by large motor neurons

Question 20

Which of the following word roots means to stretch?

Accepted Answer

A) tensio 
B) actus 
C) moveo 
D) passivus 
A) tensio 
B) actus 
C) moveo 
D) passivus

Which type of muscle architecture is best suited to create the largest range of motion?

Smaller motor units are composed of:

Which type of bending posture puts the spinal joints into the open-packed position?

Which of the following characterizes sarcomere length and actin-myosin cross-bridges?

A pair of tweezers is an example of what class of lever?

Which of the following muscle architectures have the fibers arranged in a featherlike pattern?

Which of the following word roots means to endure?

The disadvantage of increased leverage is that the:

Which class of lever has the greatest leverage for the force that causes motion?

When a multijoint muscle shortens across one joint,its pulling strength across the other joint or joints that it crosses becomes:

Which of the following word roots means feather?

The best way to determine the strength of a muscle's contraction is by the number of:

Which of the following word roots means light?

What are the two major categories of muscle fiber architecture?

The sliding filament mechanism generates what type of muscular tension?

What class of lever has the force that causes motion and the force of resistance to motion on the same side of the axis of motion?

The graphed line that represents the pulling strength of a muscle at various lengths of the muscle is what type of relationship curve?

Which of the following word roots means from without?

Motor unit innervation includes that small motor units:

Which of the following word roots means to stretch?

Parts of the Human Body

Mapping the Human Body

Skeletal Tissues

Bones of the Skeleton

Joint Action Terminology

Classification of Joints

Joints of the Axial Body

Joints of the Lower Extremity

Joints of the Upper Extremity

Anatomy and Physiology of Muscle Tissue

How Muscles Function: the Big Picture

Types of Muscle Contractions

Roles of Muscles

Atlas of Skeletal Muscles of the Human Body

Types of Joint Motion and Musculoskeletal Assessment

The Neuromuscular System

Posture and the Gait Cycle

Stretching

Strengthening

Filters

Exam 14: Determining the Force of a Muscle Contraction

Which type of muscle architecture is best suited to create the largest range of motion?

Smaller motor units are composed of:

Which type of bending posture puts the spinal joints into the open-packed position?

Which of the following characterizes sarcomere length and actin-myosin cross-bridges?

A pair of tweezers is an example of what class of lever?

Which of the following muscle architectures have the fibers arranged in a featherlike pattern?

Which of the following word roots means to endure?

The disadvantage of increased leverage is that the:

Which class of lever has the greatest leverage for the force that causes motion?

When a multijoint muscle shortens across one joint,its pulling strength across the other joint or joints that it crosses becomes:

Which of the following word roots means feather?

The best way to determine the strength of a muscle's contraction is by the number of:

Which of the following word roots means light?

What are the two major categories of muscle fiber architecture?

The sliding filament mechanism generates what type of muscular tension?

What class of lever has the force that causes motion and the force of resistance to motion on the same side of the axis of motion?

The graphed line that represents the pulling strength of a muscle at various lengths of the muscle is what type of relationship curve?

Which of the following word roots means from without?

Motor unit innervation includes that small motor units:

Which of the following word roots means to stretch?

Parts of the Human Body

Mapping the Human Body

Skeletal Tissues

Bones of the Skeleton

Joint Action Terminology

Classification of Joints

Joints of the Axial Body

Joints of the Lower Extremity

Joints of the Upper Extremity

Anatomy and Physiology of Muscle Tissue

How Muscles Function: the Big Picture

Types of Muscle Contractions

Roles of Muscles

Atlas of Skeletal Muscles of the Human Body

Types of Joint Motion and Musculoskeletal Assessment

The Neuromuscular System

Posture and the Gait Cycle

Stretching

Strengthening

Filters