Chapter 48: Musculoskeletal Systems

 

Complete Chapter Questions With Answers

 

Sample Questions Are Posted Below

 

Multiple Choice

 

1. A frog can jump _______ times its body length, a human can jump _______ times his or her body length, and a flea can jump _______ times its body length.
2. 20; 5; 200
3. 6.5; 7.4; 1.2
4. 5; 20; 200
5. 200; 5; 20
6. 7.4; 6.5; 1.2

Answer: a

Textbook Reference: 48.0 Champion jumpers

Page: 1006

Bloom’s Category: 1. Remembering

 

2. A flea manages to jump up to 200 times its body length by
3. using very powerful muscles.
4. compressing an elastic material in its legs.
5. compressing water, which jets out of small holes in its carapace.
6. using vestigial wings to assist its muscles.
7. taking advantage of the shape of its carapace and gliding.

Answer: b

Textbook Reference: 48.0 Champion jumpers

Page: 1006

Bloom’s Category: 2. Understanding

 

3. Unlike humans, kangaroos can increase their movement speed without an increase in their metabolic rate because
4. their diet is more energy-rich than ours is.
5. they have more mitochondria per cell than we do.
6. the recoil in their elastic tendons helps power each jump.
7. they convert starch directly to ATP without first hydrolyzing it to glucose.
8. they alternate which foot they use each time they jump.

Answer: c

Textbook Reference: 48.0 Champion jumpers

Page: 1006–1007

Bloom’s Category: 2. Understanding

 

4. The striated appearance of skeletal muscle is due to the
5. dark color of myosin.
6. multiple nuclei per fiber.
7. regular arrangement of filaments.
8. dense array of microtubules.
9. dense packing of ATP molecules.

Answer: c

Textbook Reference: 48.1 How Do Muscles Contract?

Page: 1007

Bloom’s Category: 1. Remembering

 

5.–9. Match the correct muscle type from the list below with each description that follows. Each term may be used more than once.

1. Smooth
2. Cardiac
3. Skeletal

 

5. Which muscle type is multinucleated?

Answer: c

Textbook Reference: 48.1 How Do Muscles Contract?

Page: 1007

Bloom’s Category: 1. Remembering