Question 1

Most skeletal muscles cause movement of a body part by\ ____.

Accepted Answer

A) stimulating the contraction of another muscle 
B) pushing on a bone 
C) pulling on a bone 
D) stimulating a joint to contract 
E) pushing on a ligament 
A) stimulating the contraction of another muscle 
B) pushing on a bone 
C) pulling on a bone 
D) stimulating a joint to contract 
E) pushing on a ligament C

Question 2

Four of the five answers below are correct statements about exoskeletons. Select the exception.

Accepted Answer

A) An exoskeleton consists of noncellular secreted material. 
B) Repeatedly producing new exoskeletons uses resources that the animal could put toward growth and reproduction. 
C) The exoskeleton is made of bone and cartilage. 
D) The exoskeleton protects the soft body tissues inside it. 
E) Exoskeletons exist in some invertebrates. 
A) An exoskeleton consists of noncellular secreted material. 
B) Repeatedly producing new exoskeletons uses resources that the animal could put toward growth and reproduction. 
C) The exoskeleton is made of bone and cartilage. 
D) The exoskeleton protects the soft body tissues inside it. 
E) Exoskeletons exist in some invertebrates. C

Question 3

Growth during the childhood years includes the conversion of ____ to bone.

Accepted Answer

A) blood 
B) bone marrow 
C) muscle 
D) cartilage 
E) loose connective tissue 
A) blood 
B) bone marrow 
C) muscle 
D) cartilage 
E) loose connective tissue D

Question 4

Match the type of animal movement with the adaptation that reduces friction or opposes gravity.
-Limbs partially or fully elevate their body and only some feet touch the ground at any given time to reduce friction.

Accepted Answer

A) animals that creep or slither along surfaces 
B) animals that swim 
C) animals that fly 
D) animals that jump 
E) animals that walk or run 
A) animals that creep or slither along surfaces 
B) animals that swim 
C) animals that fly 
D) animals that jump 
E) animals that walk or run

Question 5

The top (proximal end) of the femur joins to the ____.

Accepted Answer

A) patella 
B) tibia 
C) pectoral girdle 
D) pelvic girdle 
E) tarsals 
A) patella 
B) tibia 
C) pectoral girdle 
D) pelvic girdle 
E) tarsals

Question 6

The mineral stored in greatest quantity in bones is ____.

Accepted Answer

A) sodium 
B) iron 
C) magnesium 
D) calcium 
E) sulfur 
A) sodium 
B) iron 
C) magnesium 
D) calcium 
E) sulfur

Question 7

A bone contained in the human pectoral girdle is the ____.

Accepted Answer

A) clavicle 
B) humerus 
C) radius 
D) tibia 
E) ulna 
A) clavicle 
B) humerus 
C) radius 
D) tibia 
E) ulna

Question 8

The basic unit of contraction in a skeletal muscle is the ____.

Accepted Answer

A) myofibril 
B) sarcomere 
C) muscle fiber 
D) myosin filament 
E) actin filament 
A) myofibril 
B) sarcomere 
C) muscle fiber 
D) myosin filament 
E) actin filament

Question 9

In spongy bone tissue, the spaces are filled with ____.

Accepted Answer

A) air 
B) blood 
C) cartilage 
D) red bone marrow 
E) lymph 
A) air 
B) blood 
C) cartilage 
D) red bone marrow 
E) lymph

Question 10

Four of the five answers listed below are health impacts associated with prolonged sitting. Select the exception.

Accepted Answer

A) decreased LDL production 
B) increased blood lipid concentration 
C) increased cardiovascular disease 
D) increased diabetes 
E) increased uptake of fatty acids from the blood 
A) decreased LDL production 
B) increased blood lipid concentration 
C) increased cardiovascular disease 
D) increased diabetes 
E) increased uptake of fatty acids from the blood

Question 11

Which hormone slows bone deposition?

Accepted Answer

A) cortisol 
B) calcitonin 
C) estrogen 
D) testosterone 
E) growth hormone 
A) cortisol 
B) calcitonin 
C) estrogen 
D) testosterone 
E) growth hormone

Question 12

The pelvic girdle's main function is to ____.

Accepted Answer

A) protect organs inside the pelvic cavity and support the weight of the upper body 
B) protect organs inside the pelvic cavity and provide attachment for the lower body 
C) support the weight of the upper body only 
D) protect organs inside the pelvic cavity only 
E) assist with bipedal walking 
A) protect organs inside the pelvic cavity and support the weight of the upper body 
B) protect organs inside the pelvic cavity and provide attachment for the lower body 
C) support the weight of the upper body only 
D) protect organs inside the pelvic cavity only 
E) assist with bipedal walking

Question 13

The mechanical force generated by a contracting muscle is ____.

Accepted Answer

A) muscle fatigue 
B) a motor unit 
C) muscle tension 
D) a muscle twitch 
E) tetanus 
A) muscle fatigue 
B) a motor unit 
C) muscle tension 
D) a muscle twitch 
E) tetanus

Question 14

Match the following bone/joint terms with the proper description.
-ligaments are overstretched or torn

Accepted Answer

A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis 
A) osteoporosis 
B) bone remodeling 
C) sprain 
D) rheumatoid arthritis 
E) arthritis

Question 15

A sphincter is a ____.

Accepted Answer

A) ring of smooth muscle in a tubular organ or body opening 
B) strap of connective tissue that connects bone to bone 
C) strap of connective tissue that connects muscle to bone 
D) ring of muscle at a body opening 
E) longitudinal muscle at a body opening 
A) ring of smooth muscle in a tubular organ or body opening 
B) strap of connective tissue that connects bone to bone 
C) strap of connective tissue that connects muscle to bone 
D) ring of muscle at a body opening 
E) longitudinal muscle at a body opening

Question 16

Bones in fingers and toes are called ____.

Accepted Answer

A) hyoids 
B) patellas 
C) scapulas 
D) clavicles 
E) phalanges 
A) hyoids 
B) patellas 
C) scapulas 
D) clavicles 
E) phalanges

Question 17

The most common type of joint is the ____ joint.

Accepted Answer

A) bony 
B) cartilaginous 
C) elastic 
D) fibrous 
E) synovial 
A) bony 
B) cartilaginous 
C) elastic 
D) fibrous 
E) synovial

Question 18

The most immediate, but necessarily limited, source of energy for reformation of ATP in muscle cells is ____.

Accepted Answer

A) aerobic respiration 
B) mitochondrial pathways 
C) electron transport phosphorylation 
D) creatine phosphate 
E) anaerobic fermentation 
A) aerobic respiration 
B) mitochondrial pathways 
C) electron transport phosphorylation 
D) creatine phosphate 
E) anaerobic fermentation

Question 19

Which skeletal muscle component includes all the others?

Accepted Answer

A) actin 
B) myofibril 
C) myosin 
D) sarcomere 
E) muscle fiber 
A) actin 
B) myofibril 
C) myosin 
D) sarcomere 
E) muscle fiber

Question 20

Which organisms have exoskeletons?

Accepted Answer

A) earthworms 
B) humans 
C) sea anemones 
D) insects and clams 
E) amphibians 
A) earthworms 
B) humans 
C) sea anemones 
D) insects and clams 
E) amphibians

Exam 32: Structural Support and Movement

Most skeletal muscles cause movement of a body part by\ ____.

Four of the five answers below are correct statements about exoskeletons. Select the exception.

Growth during the childhood years includes the conversion of ____ to bone.

Match the type of animal movement with the adaptation that reduces friction or opposes gravity. -Limbs partially or fully elevate their body and only some feet touch the ground at any given time to reduce friction.

The top (proximal end) of the femur joins to the ____.

The mineral stored in greatest quantity in bones is ____.

A bone contained in the human pectoral girdle is the ____.

The basic unit of contraction in a skeletal muscle is the ____.

In spongy bone tissue, the spaces are filled with ____.

Four of the five answers listed below are health impacts associated with prolonged sitting. Select the exception.

Which hormone slows bone deposition?

The pelvic girdle's main function is to ____.

The mechanical force generated by a contracting muscle is ____.

Match the following bone/joint terms with the proper description. -ligaments are overstretched or torn

A sphincter is a ____.

Bones in fingers and toes are called ____.

The most common type of joint is the ____ joint.

The most immediate, but necessarily limited, source of energy for reformation of ATP in muscle cells is ____.

Which skeletal muscle component includes all the others?

Which organisms have exoskeletons?

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