Question 1

In an accident, the extensor muscles across the back of the fingers of one hand are completely severed. What is the result if no surgery is done to rejoin them?

Accepted Answer

A)  The fingers will dangle and extend out limp. 
B)  The fingers will curl and remain permanently flexed. 
C)  The fingers will forcibly extend and remain extended. 
D)  Hand movements will continue as before the accident. 
E)  The outcome will depend on how the muscles heal. 
A)  The fingers will dangle and extend out limp. 
B)  The fingers will curl and remain permanently flexed. 
C)  The fingers will forcibly extend and remain extended. 
D)  Hand movements will continue as before the accident. 
E)  The outcome will depend on how the muscles heal.

Question 2

Which of the following attach muscle to bone?

Accepted Answer

A)  ligaments 
B)  joints 
C)  tendons 
D)  adipose tissue 
E)  sarcomere 
A)  ligaments 
B)  joints 
C)  tendons 
D)  adipose tissue 
E)  sarcomere

Question 3

Jeremy has broken his leg during a soccer match. Although this is bad, from a healing standpoint, it is not as bad as if he had torn his cartilage.

Accepted Answer

A) True 
 B)False

Question 4

The radius is to the ulna as the

Accepted Answer

A)  tibia is to the femur. 
B)  fibula is to the ulna. 
C)  fibula is to the tibia. 
D)  humerus is to the femur. 
E)  humerus is the radius. 
A)  tibia is to the femur. 
B)  fibula is to the ulna. 
C)  fibula is to the tibia. 
D)  humerus is to the femur. 
E)  humerus is the radius.

Question 5

Which of the following can help treat osteoporosis?

Accepted Answer

A)  aspirin therapy 
B)  estrogen replacement therapy 
C)  treatment with chondroitin sulfate 
D)  treatment with glucosamine 
E)  treatment with corticosteroids 
A)  aspirin therapy 
B)  estrogen replacement therapy 
C)  treatment with chondroitin sulfate 
D)  treatment with glucosamine 
E)  treatment with corticosteroids

Question 6

Which of these bones is found in the pelvic girdle?

Accepted Answer

A)  humerus 
B)  ulna 
C)  femur 
D)  coxal 
E)  tibia 
A)  humerus 
B)  ulna 
C)  femur 
D)  coxal 
E)  tibia

Question 7

The origin of a muscle is found on the bone that moves.

Accepted Answer

A) True 
 B)False

Question 8

Tooth sockets are located on which of the following bones?

Accepted Answer

A)  zygomatic and mandible 
B)  mandible and temporal 
C)  maxillae and mandible 
D)  temporal and frontal 
E)  fronta and maxillae 
A)  zygomatic and mandible 
B)  mandible and temporal 
C)  maxillae and mandible 
D)  temporal and frontal 
E)  fronta and maxillae

Question 9

In the laboratory, a single all-or-none contraction of a muscle fiber is called tetanus.

Accepted Answer

A) True 
 B)False

Question 10

What problems would occur if an individual were to tear their biceps brachii?

Accepted Answer

A)  They would be unable to flex the forearm. 
B)  They would be unable to extend the forearm. 
C)  They would be unable to abduct their arm. 
D)  They would be able to curl their fingers. 
E)  All of the answer choices could not be performed. 
A)  They would be unable to flex the forearm. 
B)  They would be unable to extend the forearm. 
C)  They would be unable to abduct their arm. 
D)  They would be able to curl their fingers. 
E)  All of the answer choices could not be performed.

Question 11

If an athlete is training for the Olympic weight-lifting team, what type of exercising should they be doing?

Accepted Answer

A)  Their training routine should include weight lifting, sprinting, or any other type of activity that requires an explosion of energy in order to increase their fast-twitch fibers. 
B)  Their training routine should include weight lifting, sprinting, or any other type of activity that requires an explosion of energy in order to increase their slow-twitch fibers. 
C)  Their training routine should include swimming, biking, jogging, and any other type of activity that requires an explosion of energy in order to increase their fast-twitch fibers. 
D)  Their training routine should include swimming, biking, jogging, and any other type of activity that produces their energy aerobically in order to increase their slow-twitch fibers. 
A)  Their training routine should include weight lifting, sprinting, or any other type of activity that requires an explosion of energy in order to increase their fast-twitch fibers. 
B)  Their training routine should include weight lifting, sprinting, or any other type of activity that requires an explosion of energy in order to increase their slow-twitch fibers. 
C)  Their training routine should include swimming, biking, jogging, and any other type of activity that requires an explosion of energy in order to increase their fast-twitch fibers. 
D)  Their training routine should include swimming, biking, jogging, and any other type of activity that produces their energy aerobically in order to increase their slow-twitch fibers.

Question 12

Which of these gives the correct order from large to small?

Accepted Answer

A)  muscle → muscle fiber→ myofibril → sarcomeres → myofilaments 
B)  muscle → muscle fibers → sarcomeres → myofilaments → myofibrils 
C)  muscle → sarcomeres → myofibrils → actin filaments → myosin filaments 
D)  muscle fiber→ myofibrils → myofilaments → sarcomeres 
E)  muscle → myofibrils → sarcomeres → muscle fibers → myofilaments 
A)  muscle → muscle fiber→ myofibril → sarcomeres → myofilaments 
B)  muscle → muscle fibers → sarcomeres → myofilaments → myofibrils 
C)  muscle → sarcomeres → myofibrils → actin filaments → myosin filaments 
D)  muscle fiber→ myofibrils → myofilaments → sarcomeres 
E)  muscle → myofibrils → sarcomeres → muscle fibers → myofilaments

Question 13

Which of the following correctly matches the type of cartilage to its description?

Accepted Answer

A)  elastic cartilage-thick collagen fibers 
B)  hyaline cartilage-matrix appears uniform and glassy 
C)  articular cartilage-elastic cartilage 
D)  fibrocartilage-found at the ends of long bones. 
A)  elastic cartilage-thick collagen fibers 
B)  hyaline cartilage-matrix appears uniform and glassy 
C)  articular cartilage-elastic cartilage 
D)  fibrocartilage-found at the ends of long bones.

Question 14

What is the correct order of events in muscle contraction?

Accepted Answer

A)  action potential → synaptic cleft → sarcoplasmic reticulum → sarcolemma → calcium ions bind to troponin 
B)  action potential → synaptic cleft → sarcolemma → sarcoplasmic reticulum → calcium ions bind to troponin 
C)  action potential → sarcoplasmic reticulum → synaptic cleft → sarcolemma → calcium ions bind to troponin 
D)  action potential→ sarcolemma → sarcoplasmic reticulum → synaptic cleft → calcium ions bind to troponin 
E)  action potential → sarcolemma → synaptic cleft → sarcoplasmic reticulum → calcium ions bind to troponin 
A)  action potential → synaptic cleft → sarcoplasmic reticulum → sarcolemma → calcium ions bind to troponin 
B)  action potential → synaptic cleft → sarcolemma → sarcoplasmic reticulum → calcium ions bind to troponin 
C)  action potential → sarcoplasmic reticulum → synaptic cleft → sarcolemma → calcium ions bind to troponin 
D)  action potential→ sarcolemma → sarcoplasmic reticulum → synaptic cleft → calcium ions bind to troponin 
E)  action potential → sarcolemma → synaptic cleft → sarcoplasmic reticulum → calcium ions bind to troponin

Question 15

Red bone marrow

Accepted Answer

A)  stores fat. 
B)  is located only in the medullary cavity. 
C)  produces blood cells. 
D)  is only found in infants. 
E)  contains dense fibrous connective tissue. 
A)  stores fat. 
B)  is located only in the medullary cavity. 
C)  produces blood cells. 
D)  is only found in infants. 
E)  contains dense fibrous connective tissue.

Question 16

The patella is primarily held in place by tendons that attach it to the

Accepted Answer

A)  femur. 
B)  fibula. 
C)  tibia. 
D)  calcaneus. 
E)  tarsal bones. 
A)  femur. 
B)  fibula. 
C)  tibia. 
D)  calcaneus. 
E)  tarsal bones.

Exam 19: Musculoskeletal System

In an accident, the extensor muscles across the back of the fingers of one hand are completely severed. What is the result if no surgery is done to rejoin them?

Which of the following attach muscle to bone?

Jeremy has broken his leg during a soccer match. Although this is bad, from a healing standpoint, it is not as bad as if he had torn his cartilage.

The radius is to the ulna as the

Which of the following can help treat osteoporosis?

Which of these bones is found in the pelvic girdle?

The origin of a muscle is found on the bone that moves.

Tooth sockets are located on which of the following bones?

In the laboratory, a single all-or-none contraction of a muscle fiber is called tetanus.

What problems would occur if an individual were to tear their biceps brachii?

If an athlete is training for the Olympic weight-lifting team, what type of exercising should they be doing?

Which of these gives the correct order from large to small?

Which of the following correctly matches the type of cartilage to its description?

What is the correct order of events in muscle contraction?

Red bone marrow

The patella is primarily held in place by tendons that attach it to the

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