Question 1

What letter in the figure of a long bone corresponds to the location of hard,dense connective tissue with canals that house blood vessels and nervous tissue but that lacks enough space to store red bone marrow?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) A) and D)
G) B) and D)

Question 2

The molecule that rapidly replenishes ATP at the beginning of muscle activity is

Accepted Answer

A)  actin.
B)  creatine phosphate.
C)  myoglobin.
D)  oxygen debt.
E)  myosin.F) A) and D)
G) A) and E)

Question 3

A condition in which bones become less dense is

Accepted Answer

A)  gigantism.
B)  acromegaly.
C)  osteoarthritis.
D)  rheumatism.
E)  osteoporosis.F) B) and E)
G) All of the above

Question 4

If an older patient came in complaining of joint pain,and a scan showed the bones in the patient's hands rubbing one another,you would diagnose

Accepted Answer

A)  acromegaly.
B)  rheumatoid arthritis.
C)  scoliosis.
D)  osteoporosis.
E)  osteoarthritis.F) A) and C)
G) C) and E)

Question 5

An area where two bones meet is called a

Accepted Answer

A)  synapse.
B)  joint.
C)  synaptic cleft.
D)  vascular cavity.
E)  olfactory bulb.F) A) and D)
G) None of the above

Question 6

How is the temporalis muscle attached to the skull and jaw?

Accepted Answer

A)  myosin
B)  ligaments
C)  neurons
D)  tendons
E)  actinF) A) and E)
G) B) and D)

Question 7

Which is not a bone of the lower limbs?

Accepted Answer

A)  patella
B)  femur
C)  tibia
D)  fibula
E)  ulnaF) All of the above
G) A) and B)

Question 8

Blood calcium levels are regulated by hormones secreted from the parathyroid and thyroid.When blood calcium is low which would be stimulated by the parathyroid?

Accepted Answer

A)  uptake of calcium from food by the intestine and absorption from the urine by the kidney
B)  uptake of calcium from food by the intestine and secretion into the urine by the kidney
C)  decreased uptake of calcium from food by the intestine and absorption from the urine by the kidney
D)  decreased uptake of calcium from food by the intestine and secretion into the urine by the kidneyE) All of the above
F) B) and D)

Question 9

The type of skeleton that is usually composed of either a calcium-containing shell or chitin is a(n)

Accepted Answer

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

Question 10

Athletes who do more short bursts of intense activity will develop more fast-twitch muscle.

Accepted Answer

A) True 
 B)False

Question 11

What letter in the figure of a long bone corresponds to the location where red blood cells and platelets are made?

Accepted Answer

A)  A
B)  B
C)  C
D)  D
E)  EF) A) and E)
G) B) and D)

Question 12

The temporalis and masseter muscles close the jaw while the platysma opens the jaw.To clench your teeth,which of the following must occur?

Accepted Answer

A)  Contract the temporalis and masseter and relax the platysmA.
B)  Relax the temporalis and masseter and contract the platysma.
C)  Contract the temporalis,masseter,and platysma.
D)  Relax the temporalis,masseter,and platysma.
E)  Contract the temporalis and relax the platysma and masseter.F) B) and E)
G) B) and D)

Question 13

After a muscle cell contracts,what must occur for the muscle to stop contracting?

Accepted Answer

A)  Calcium ions must be pumped back into the endoplasmic reticulum.
B)  Calcium ions must be pumped out of the muscle cell.
C)  Calcium ions must flow out of the endoplasmic reticulum.
D)  Calcium ions must flow into the muscle cell.
E)  Calcium ions must flow out of the muscle cell.F) B) and C)
G) A) and E)

Question 14

What does the high level similarity between the myosin gene sequences in human and non-human primates suggest?

Accepted Answer

A)  Humans and non-human primates had a common ancestor at some time in the past.
B)  Humans and non-human primates had common ancestor 2.4 million years ago.
C)  The myosin gene arose independently in humans and non-human primates.
D)  Genes can transfer readily between humans and non-human primates.
E)  No natural selection has occurred in humans.F) B) and D)
G) B) and C)

Question 15

______ are used to lift a cup to your mouth,and ______ are used to lower the cup back onto the table.

Accepted Answer

A)  The biceps;the triceps
B)  The muscles;the bones
C)  The tendons;the ligaments
D)  The ligaments;the tendons
E)  The biceps;the tendonsF) A) and D)
G) None of the above

Question 16

Which is not an important function of calcium in vertebrates?

Accepted Answer

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

Question 17

The endoskeleton functions in

Accepted Answer

A)  production of blood cells.
B)  supporting the body.
C)  protecting the body.
D)  movement.
E)  All answers are correct.F) D) and E)
G) A) and B)

Question 18

If you see a limb move,first in one direction,then in the opposite,you can be sure that there are two opposing muscles responsible.

Accepted Answer

A) True 
 B)False

Question 19

After death,muscles remain in a stiff position for several hours.What explains this observation?

Accepted Answer

A)  ATP is required to break the bond between actin and myosin.
B)  ATP is required for actin to bind to myosin.
C)  ATP is required for the motor neuron to signal a muscle to relax.
D)  ATP is required for calcium ions to be pumped into the muscle cell.
E)  ATP is required to produce creatine phosphatE.F) None of the above
G) A) and B)

Question 20

Ligaments are connective tissues that connect _______________ to _________________.

Accepted Answer

A)  muscle;muscle
B)  muscle;bone
C)  tendons;bone
D)  bone;bone
E)  cartilage;boneF) A) and D)
G) C) and D)

Exam 26: The Skeletal and Muscular Systems

How is the temporalis muscle attached to the skull and jaw?

Correct AnswerverifiedShow Answer

A condition in which bones become less dense is

Correct AnswerverifiedShow Answer

The molecule that rapidly replenishes ATP at the beginning of muscle activity is

Correct AnswerverifiedShow Answer

Blood calcium levels are regulated by hormones secreted from the parathyroid and thyroid.When blood calcium is low which would be stimulated by the parathyroid?

Correct AnswerverifiedShow Answer

Ligaments are connective tissues that connect _______________ to _________________.

Correct AnswerverifiedShow Answer

Which is not a bone of the lower limbs?

Correct AnswerverifiedShow Answer

The temporalis and masseter muscles close the jaw while the platysma opens the jaw.To clench your teeth,which of the following must occur?

Correct AnswerverifiedShow Answer

Athletes who do more short bursts of intense activity will develop more fast-twitch muscle.

Correct AnswerverifiedShow Answer

If an older patient came in complaining of joint pain,and a scan showed the bones in the patient's hands rubbing one another,you would diagnose

Correct AnswerverifiedShow Answer

What letter in the figure of a long bone corresponds to the location of hard,dense connective tissue with canals that house blood vessels and nervous tissue but that lacks enough space to store red bone marrow?

Correct AnswerverifiedShow Answer

After a muscle cell contracts,what must occur for the muscle to stop contracting?

Correct AnswerverifiedShow Answer

An area where two bones meet is called a

Correct AnswerverifiedShow Answer

The endoskeleton functions in

Correct AnswerverifiedShow Answer

The type of skeleton that is usually composed of either a calcium-containing shell or chitin is a(n)

Correct AnswerverifiedShow Answer

What letter in the figure of a long bone corresponds to the location where red blood cells and platelets are made?

Correct AnswerverifiedShow Answer

What does the high level similarity between the myosin gene sequences in human and non-human primates suggest?

Correct AnswerverifiedShow Answer

Which is not an important function of calcium in vertebrates?

Correct AnswerverifiedShow Answer

______ are used to lift a cup to your mouth,and ______ are used to lower the cup back onto the table.

Correct AnswerverifiedShow Answer

After death,muscles remain in a stiff position for several hours.What explains this observation?

Correct AnswerverifiedShow Answer

If you see a limb move,first in one direction,then in the opposite,you can be sure that there are two opposing muscles responsible.

Correct AnswerverifiedShow Answer

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Ligaments are connective tissues that connect _ to ___.

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are used to lift a cup to your mouth,and are used to lower the cup back onto the table.

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