Question 1

Which would be excluded from a list of the parts of the axial skeleton?

Accepted Answer

A)  pelvic girdle 
B)  ribs 
C)  skull 
D)  sternum 
E)  vertebral column 
A)  pelvic girdle 
B)  ribs 
C)  skull 
D)  sternum 
E)  vertebral column A

Question 2

In muscle tissue,if there is not enough oxygen for aerobic respiration to occur,the muscle cell

Accepted Answer

A)  can produce ATP by fermentation. 
B)  cannot make ATP. 
C)  uses creatine phosphate instead of ATP for energy. 
D)  can produce ATP from fats. 
E)  depletes its reserves of lactic acid. 
A)  can produce ATP by fermentation. 
B)  cannot make ATP. 
C)  uses creatine phosphate instead of ATP for energy. 
D)  can produce ATP from fats. 
E)  depletes its reserves of lactic acid. A

Question 3

The breast muscle of a wild duck is dark,while that of a domesticated chicken is white.What would be true of breast muscle in a wild duck?

Accepted Answer

A)  predominately fast-twitch muscles with abundant capillaries and mitochondria 
B)  predominately fast-twitch muscles with few capillaries or mitochondria 
C)  predominately slow-twitch muscles with abundant capillaries and mitochondria 
D)  predominately slow-twitch muscles with few capillaries or mitochondria 
E)  None of the answer choices is correct. 
A)  predominately fast-twitch muscles with abundant capillaries and mitochondria 
B)  predominately fast-twitch muscles with few capillaries or mitochondria 
C)  predominately slow-twitch muscles with abundant capillaries and mitochondria 
D)  predominately slow-twitch muscles with few capillaries or mitochondria 
E)  None of the answer choices is correct. C

Question 4

One of the critical functions of the vertebrate skeleton is helping to generate movement,along with the muscular system.

Accepted Answer

A) True 
 B)False

Question 5

If you were asked to clean up some boxes of bones after a lab,which would you remove from a box marked "Lower Limbs"?

Accepted Answer

A)  patella 
B)  femur 
C)  tibia 
D)  fibula 
E)  ulna 
A)  patella 
B)  femur 
C)  tibia 
D)  fibula 
E)  ulna

Question 6

The basic job of skeletal muscle is to pump blood through the body.

Accepted Answer

A) True 
 B)False

Question 7

A slow-twitch muscle fiber

Accepted Answer

A)  uses ATP quickly in short, fast contractions. 
B)  has many capillaries. 
C)  is low in myoglobin content. 
D)  works aerobically. 
E)  All of the answer choices are correct. 
A)  uses ATP quickly in short, fast contractions. 
B)  has many capillaries. 
C)  is low in myoglobin content. 
D)  works aerobically. 
E)  All of the answer choices are correct.

Question 8

If you applied a drug which could prevent action potentials to a muscle cell,what would be the result when a motor neuron fired?

Accepted Answer

A)  no contraction since that requires an action potential 
B)  normal contraction 
C)  release of calcium outside the muscle cell 
D)  a graded potential in the neuron 
E)  None of the answer choices are correct. 
A)  no contraction since that requires an action potential 
B)  normal contraction 
C)  release of calcium outside the muscle cell 
D)  a graded potential in the neuron 
E)  None of the answer choices are correct.

Question 9

Which is a bone of the lower limbs?

Accepted Answer

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

Question 10

Each myofibril consists of two types of filaments,a thick actin filament and a thin myosin filament.

Accepted Answer

A) True 
 B)False

Question 11

The membrane of a muscle cell makes a deeply indented set of B tubules where a motor neuron contacts it.

Accepted Answer

A) True 
 B)False

Question 12

If you found a mutation,involving the loss of two bases,which was present in humans living on all four continents which you could test but was absent in close relatives such as gorillas and chimps,what would this imply?

Accepted Answer

A)  Two bases were actually insertions in the nonhuman primates. 
B)  Deletion arose before the branch between humans and nonhuman primates. 
C)  Deletion arose multiple nonhuman primates. 
D)  Deletion arose at least six times in different human populations. 
E)  Deletion arose after the branch between humans and nonhuman primates. 
A)  Two bases were actually insertions in the nonhuman primates. 
B)  Deletion arose before the branch between humans and nonhuman primates. 
C)  Deletion arose multiple nonhuman primates. 
D)  Deletion arose at least six times in different human populations. 
E)  Deletion arose after the branch between humans and nonhuman primates.

Question 13

The hormone that helps remove calcium from the blood and stores it in bone is

Accepted Answer

A)  calcitonin. 
B)  prolactin. 
C)  parathyroid hormone (PTH). 
D)  insulin. 
E)  glucagon. 
A)  calcitonin. 
B)  prolactin. 
C)  parathyroid hormone (PTH). 
D)  insulin. 
E)  glucagon.

Question 14

Which part would be excluded from a diagram of the appendicular skeleton?

Accepted Answer

A)  pelvic girdle 
B)  sternum 
C)  pectoral girdle 
D)  femur 
E)  humerus 
A)  pelvic girdle 
B)  sternum 
C)  pectoral girdle 
D)  femur 
E)  humerus

Question 15

When it is needed by the rest of the body,bone can provide calcium.

Accepted Answer

A) True 
 B)False

Question 16

Exercise leads to weaker muscles due to the repeated strain,which damages the muscle.

Accepted Answer

A) True 
 B)False

Question 17

ADP is required for muscular contraction.

Accepted Answer

A) True 
 B)False

Question 18

The type of skeleton that consists of fluid constrained within a layer of flexible tissue is a(n)

Accepted Answer

A)  vascular canal. 
B)  endoskeleton. 
C)  gastrovascular cavity. 
D)  exoskeleton. 
E)  hydrostatic skeleton. 
A)  vascular canal. 
B)  endoskeleton. 
C)  gastrovascular cavity. 
D)  exoskeleton. 
E)  hydrostatic skeleton.

Question 19

Which function applies in vertebrates to an element other than calcium?

Accepted Answer

A)  blood clotting 
B)  muscle contraction 
C)  transport of oxygen to the body's cells 
D)  cell membrane permeability 
E)  strengthening of bone 
A)  blood clotting 
B)  muscle contraction 
C)  transport of oxygen to the body's cells 
D)  cell membrane permeability 
E)  strengthening of bone

Question 20

A motor neuron stimulates how much muscular tissue?

Accepted Answer

A)  one muscle fiber 
B)  several muscle fibers 
C)  an entire muscle 
D)  one sarcomere 
E)  several muscles 
A)  one muscle fiber 
B)  several muscle fibers 
C)  an entire muscle 
D)  one sarcomere 
E)  several muscles

Exam 29: The Skeletal and Muscular Systems

Which would be excluded from a list of the parts of the axial skeleton?

In muscle tissue,if there is not enough oxygen for aerobic respiration to occur,the muscle cell

The breast muscle of a wild duck is dark,while that of a domesticated chicken is white.What would be true of breast muscle in a wild duck?

One of the critical functions of the vertebrate skeleton is helping to generate movement,along with the muscular system.

If you were asked to clean up some boxes of bones after a lab,which would you remove from a box marked "Lower Limbs"?

The basic job of skeletal muscle is to pump blood through the body.

A slow-twitch muscle fiber

If you applied a drug which could prevent action potentials to a muscle cell,what would be the result when a motor neuron fired?

Which is a bone of the lower limbs?

Each myofibril consists of two types of filaments,a thick actin filament and a thin myosin filament.

The membrane of a muscle cell makes a deeply indented set of B tubules where a motor neuron contacts it.

If you found a mutation,involving the loss of two bases,which was present in humans living on all four continents which you could test but was absent in close relatives such as gorillas and chimps,what would this imply?

The hormone that helps remove calcium from the blood and stores it in bone is

Which part would be excluded from a diagram of the appendicular skeleton?

When it is needed by the rest of the body,bone can provide calcium.

Exercise leads to weaker muscles due to the repeated strain,which damages the muscle.

ADP is required for muscular contraction.

The type of skeleton that consists of fluid constrained within a layer of flexible tissue is a(n)

Which function applies in vertebrates to an element other than calcium?

A motor neuron stimulates how much muscular tissue?

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