Question 1

Match each muscle to its corresponding location or description.
-primary calf muscle

Accepted Answer

A) external oblique 
B) gastrocnemius 
C) quadriceps 
D) intercostal muscles 
E) tibialis anterior
F)hamstring muscles
G)gluteus maximus
H)rectus abdominis 
A) external oblique 
B) gastrocnemius 
C) quadriceps 
D) intercostal muscles 
E) tibialis anterior
F)hamstring muscles
G)gluteus maximus
H)rectus abdominis B

Question 2

Explain why bursae and tendon sheaths are said to perform similar functions.

Accepted Answer

Bursae and tendon sheaths are said to perform similar functions because they both act as protective structures for tendons and joints. Bursae are small, fluid-filled sacs located around joints that help reduce friction between the bones, tendons, and muscles during movement. Similarly, tendon sheaths are also fluid-filled structures that surround tendons and help reduce friction as the tendons move within them. Both bursae and tendon sheaths help to cushion and protect the tendons and joints, and they also help facilitate smooth and pain-free movement. Therefore, they are considered to perform similar functions in the body.

Question 3

MATCHING
Match each term with its corresponding definition or description.
-protein that makes up the thin myofilament

Accepted Answer

A) voluntary muscle 
B) visceral muscle 
C) intercalated disks 
D) origin 
E) sarcomere
F)insertion
G)actin
H)Z line
I)bursae
J)myosin 
A) voluntary muscle 
B) visceral muscle 
C) intercalated disks 
D) origin 
E) sarcomere
F)insertion
G)actin
H)Z line
I)bursae
J)myosin G

Question 4

The "head" that forms the cross bridge when the muscle cell contracts is part of which protein?

Accepted Answer

A)  actin 
B)  the thin filament 
C)  myosin 
D)  both A and B 
A)  actin 
B)  the thin filament 
C)  myosin 
D)  both A and B

Question 5

Match each muscle to its corresponding location or description.
-group of muscles that includes the biceps femoris

Accepted Answer

A) external oblique 
B) gastrocnemius 
C) quadriceps 
D) intercostal muscles 
E) tibialis anterior
F)hamstring muscles
G)gluteus maximus
H)rectus abdominis 
A) external oblique 
B) gastrocnemius 
C) quadriceps 
D) intercostal muscles 
E) tibialis anterior
F)hamstring muscles
G)gluteus maximus
H)rectus abdominis

Question 6

A strain is usually a muscle injury,and a sprain is usually a ligament injury.

Accepted Answer

A) True 
 B)False

Question 7

Unlike skeletal muscles,smooth muscle cells have only one nucleus.

Accepted Answer

A) True 
 B)False

Question 8

Sarcomeres are separated from each other by dark bands called myofilaments.

Accepted Answer

A) True 
 B)False

Question 9

Abduction moves a body part toward the midline of the body.

Accepted Answer

A) True 
 B)False

Question 10

Tonic contractions

Accepted Answer

A)  help maintain posture 
B)  cause an oxygen debt in the body 
C)  produce large amounts of lactic acid 
D)  both B and C 
A)  help maintain posture 
B)  cause an oxygen debt in the body 
C)  produce large amounts of lactic acid 
D)  both B and C

Question 11

Match each muscle with its corresponding description or location.
-muscle that forms the thick rounded prominence over the shoulder and upper arm

Accepted Answer

A) triceps brachii 
B) pectoralis major 
C) masseter 
D) sternocleidomastoid 
E) zygomaticus
F)deltoid
G)biceps brachii
H)latissimus dorsi 
A) triceps brachii 
B) pectoralis major 
C) masseter 
D) sternocleidomastoid 
E) zygomaticus
F)deltoid
G)biceps brachii
H)latissimus dorsi

Question 12

Which of the following is not a primary function of the muscular system?

Accepted Answer

A)  protection of internal organs not protected by bone 
B)  movement 
C)  maintaining posture 
D)  producing heat for the body 
A)  protection of internal organs not protected by bone 
B)  movement 
C)  maintaining posture 
D)  producing heat for the body

Question 13

The main effect of endurance training is muscle hypertrophy.

Accepted Answer

A) True 
 B)False

Question 14

Match each muscle to its corresponding location or description.
-one of the three layered muscles on the side of the abdominal wall

Accepted Answer

A) external oblique 
B) gastrocnemius 
C) quadriceps 
D) intercostal muscles 
E) tibialis anterior
F)hamstring muscles
G)gluteus maximus
H)rectus abdominis 
A) external oblique 
B) gastrocnemius 
C) quadriceps 
D) intercostal muscles 
E) tibialis anterior
F)hamstring muscles
G)gluteus maximus
H)rectus abdominis

Question 15

Due to its cause,girls are more likely to have Duchenne muscular dystrophy than are boys.

Accepted Answer

A) True 
 B)False

Question 16

A football lineman exercises to develop hypertrophy and a marathon runner exercises to increase blood supply to a muscle.

Accepted Answer

A) True 
 B)False

Question 17

Another name for a muscle cell is a muscle fiber.

Accepted Answer

A) True 
 B)False

Question 18

The "heads" that form cross bridges during muscle contraction are part of the actin molecule.

Accepted Answer

A) True 
 B)False

Question 19

MATCHING
Match each term with its corresponding definition or description.
-a small fluid-filled sac that lies between some tendons and bones

Accepted Answer

A) voluntary muscle 
B) visceral muscle 
C) intercalated disks 
D) origin 
E) sarcomere
F)insertion
G)actin
H)Z line
I)bursae
J)myosin 
A) voluntary muscle 
B) visceral muscle 
C) intercalated disks 
D) origin 
E) sarcomere
F)insertion
G)actin
H)Z line
I)bursae
J)myosin

Question 20

The difference between picking up a 5-pound weight and picking up a 20-pound weight is the number of motor units stimulating the muscle to contract.

Accepted Answer

A) True 
 B)False

Exam 9: The Muscular System

Match each muscle to its corresponding location or description. -primary calf muscle

Explain why bursae and tendon sheaths are said to perform similar functions.

MATCHING Match each term with its corresponding definition or description. -protein that makes up the thin myofilament

The "head" that forms the cross bridge when the muscle cell contracts is part of which protein?

Match each muscle to its corresponding location or description. -group of muscles that includes the biceps femoris

A strain is usually a muscle injury,and a sprain is usually a ligament injury.

Unlike skeletal muscles,smooth muscle cells have only one nucleus.

Sarcomeres are separated from each other by dark bands called myofilaments.

Abduction moves a body part toward the midline of the body.

Tonic contractions

Match each muscle with its corresponding description or location. -muscle that forms the thick rounded prominence over the shoulder and upper arm

Which of the following is not a primary function of the muscular system?

The main effect of endurance training is muscle hypertrophy.

Match each muscle to its corresponding location or description. -one of the three layered muscles on the side of the abdominal wall

Due to its cause,girls are more likely to have Duchenne muscular dystrophy than are boys.

A football lineman exercises to develop hypertrophy and a marathon runner exercises to increase blood supply to a muscle.

Another name for a muscle cell is a muscle fiber.

The "heads" that form cross bridges during muscle contraction are part of the actin molecule.

MATCHING Match each term with its corresponding definition or description. -a small fluid-filled sac that lies between some tendons and bones

The difference between picking up a 5-pound weight and picking up a 20-pound weight is the number of motor units stimulating the muscle to contract.

An Introduction to the Structure and Function of the Body

Chemistry of Life

Cells

Tissues

Organ Systems of the Body

Mechanisms of Disease

The Integumentary System and Body Membranes

The Skeletal System

The Nervous System

The Senses

The Endocrine System

Blood

The Heart

The Circulation of the Blood

The Lymphatic System and Immunity

The Respiratory System

The Digestive System

Nutrition and Metabolism

The Urinary System

Fluid and Electrolyte Balance

Acid-Base Balance

The Reproductive Systems

Growth and Development

Genetics and Genetic Diseases

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