Question 1

Which sense requires the stimulation of chemoreceptors?

Accepted Answer

A)   hearing
B)   smell
C)   balance
D)   vision
E)   touchF) None of the above
G) B) and C)

Question 2

The ossicles are located in the

Accepted Answer

A)   inner ear.
B)   middle ear.
C)   auditory canal.
D)   outer ear.
E)   spiral organ.F) B) and E)
G) A) and B)

Question 3

The smell of crayons always brings back fond memories of kindergarten and makes you feel happy.This is because the olfactory bulbs have direct connections with the

Accepted Answer

A)   limbic system.
B)   thalamus.
C)   medulla oblongata.
D)   cochlear nerve.
E)   vestibular system.F) B) and C)
G) A) and C)

Question 4

Hair cells are receptors for the senses of

Accepted Answer

A)   vision and hearing.
B)   taste and smell.
C)   hearing and balance.
D)   vision and smell.
E)   touch and taste.F) A) and B)
G) A) and D)

Question 5

You can tell "up" from "down" even when your eyes are closed.This is due to your

Accepted Answer

A)   rotational equilibrium.
B)   statocysts.
C)   sense of hearing.
D)   lateral line system.
E)   gravitational equilibrium.F) A) and B)
G) C) and D) E

Question 6

The central cavity of a long bone is filled with

Accepted Answer

A)   yellow bone marrow.
B)   plasma.
C)   osteocytes.
D)   osteons.
E)   red bone marrow.F) All of the above
G) A) and D)

Question 7

If you want to prevent osteoporosis and strengthen muscles,your best approach would be to

Accepted Answer

A)   eat foods rich in vitamin
B)   exercise.
C)   take calcium supplements.
D)   lose weight.E) B) and D)
F) A) and B) B

Question 8

In order for sensory receptors for hearing to be stimulated,vibrations must pass through

Accepted Answer

A)   air, then fluid, then bone.
B)   fluid, then bone, then air.
C)   air, then bone, then air again.
D)   bone, then air, then fluid.
E)   air, then bone, then fluid.F) A) and D)
G) D) and E)

Question 9

Which of these puts the steps of sliding filament model of muscle contraction in the correct order?

Accepted Answer

A)   ATP is hydrolyzed as myosin heads bind the actin filament →\rarr→ myosin heads bind ATP →\rarr→ ADP + P are released and the myosin heads pull the actin filament
B)   Myosin heads bind ATP →\rarr→ ATP is hydrolyzed as myosin heads bind the actin filament →\rarr→ ADP + P are released and the myosin heads pull the actin filament.
C)   ADP + P are released and the myosin heads pull the actin filament →\rarr→ ATP is hydrolyzed as myosin heads bind the actin filament →\rarr→ myosin heads bind ATP.
D)   Myosin heads bind ATP →\rarr→  ADP + P are released and the myosin heads pull the actin filament →\rarr→ ATP is hydrolyzed as myosin heads bind the actin filament.
E)   ATP is hydrolyzed as myosin heads bind the actin filament →\rarr→ ADP + P are released and the myosin heads pull the actin filament →\rarr→ myosin heads bind ATP. F) All of the above
G) A) and E)

Question 10

Which of these is mismatched?

Accepted Answer

A)   utricle - ear
B)   taste bud - tongue
C)   tympanic membrane - ear
D)   fovea - eye
E)   ossicles - jointsF) A) and B)
G) A) and E)

Question 11

Which of these is mismatched?

Accepted Answer

A)   cutaneous receptors - skin
B)   rods and cones - eye
C)   taste buds - tongue
D)   ganglion cells and intermediate cells - ear
E)   hair cells - lateral lineF) B) and C)
G) B) and D)

Question 12

Which of the following is not one of the functions of a cutaneous receptor?

Accepted Answer

A)   maintain the body's sense of balance
B)   determine whether or not the stove is hot
C)   detect when pressure is being applied to the body
D)   sense that the skin is becoming cold enough to lead towards frostbite
E)   alert the body if an acidic substance has been applied to the skinF) C) and E)
G) A) and B)

Question 13

The greater the amplitude of sound waves,the greater the

Accepted Answer

A)   pitch.
B)   volume.
C)   brightness.
D)   tone.
E)   equilibrium.F) A) and B)
G) B) and C)

Question 14

What is the correct sequence of events required for fish to detect the physical presence of other fish within the school?

Accepted Answer

A)   water currents cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain
B)   sound waves cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain
C)   a chemical signal will cause the cilia within the gelatinous membrane to bend which causes a nerve impulse to go to the brain
D)   water currents cause a nerve impulse to go directly to the brain
E)   a chemical signal will cause a nerve impulse to go directly to the brainF) A) and B)
G) A) and C)

Question 15

The contractile units of skeletal muscle are the

Accepted Answer

A)   myofibrils.
B)   sarcomeres.
C)   sarcolemma.
D)   sarcoplasmic reticulum.
E)   osteons.F) A) and E)
G) B) and C)

Question 16

"Naked eye astronomers" know that,if you want to view a dim star without a telescope you should

Accepted Answer

A)   stare at it intently for several seconds.
B)   close your left eye, then move your head slowly back and forth.
C)   make sure that you are surrounded by bright lights.
D)   not look directly at it.E) A) and B)
F) All of the above

Question 17

The structural unit of compact bone is the

Accepted Answer

A)   osteoclast.
B)   osteocyte.
C)   osteon.
D)   osteoblast.
E)   sarcomere.F) B) and C)
G) A) and E)

Question 18

A(n) _____ eye has a single lens.

Accepted Answer

A)   simple
B)   compound
C)   static
D)   camera-type
E)   eyespotF) None of the above
G) A) and E)

Question 19

You are taking notes in lecture,writing as fast as you can,when suddenly your hand become so stiff that you can't write any more! You pull the pencil from between your frozen fingers with your other hand,and after a few worried moments your hand is able to relax again.What happened?

Accepted Answer

A)   The muscles in your hand depleted their supply of ATP, and the myosin heads could not detach from actin.
B)   The muscles in your hand depleted their supply of acetylcholinesterase.
C)   The muscles in your hand depleted their supply of Ca2+, and the myosin heads could not attach to actin.
D)   The actin and myosin filaments in your hand muscles became detached from their Z lines.
E)   The motor neurons stimulating your hand muscles depleted their supply of acetylcholine.F) A) and D)
G) C) and D)

Question 20

Which of the following events would cease to function if the skeletal muscles became temporarily paralyzed?

Accepted Answer

A)   fat and calcium storage would no longer occur
B)   the movement of blood through the veins would not occur
C)   the internal organs would lack any type of protection
D)   core body temperature would decrease dramatically
E)   the movement of blood through the arteries would not occurF) B) and E)
G) B) and C) B

Exam 28: Sensory Input and Motor Output

Which sense requires the stimulation of chemoreceptors?

Correct AnswerverifiedShow Answer

The ossicles are located in the

Correct AnswerverifiedShow Answer

The smell of crayons always brings back fond memories of kindergarten and makes you feel happy.This is because the olfactory bulbs have direct connections with the

Correct AnswerverifiedShow Answer

Hair cells are receptors for the senses of

Correct AnswerverifiedShow Answer

You can tell "up" from "down" even when your eyes are closed.This is due to your

Correct AnswerverifiedE

The central cavity of a long bone is filled with

Correct AnswerverifiedShow Answer

If you want to prevent osteoporosis and strengthen muscles,your best approach would be to

Correct AnswerverifiedB

In order for sensory receptors for hearing to be stimulated,vibrations must pass through

Correct AnswerverifiedShow Answer

Which of these puts the steps of sliding filament model of muscle contraction in the correct order?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

Which of the following is not one of the functions of a cutaneous receptor?

Correct AnswerverifiedShow Answer

The greater the amplitude of sound waves,the greater the

Correct AnswerverifiedShow Answer

What is the correct sequence of events required for fish to detect the physical presence of other fish within the school?

Correct AnswerverifiedShow Answer

The contractile units of skeletal muscle are the

Correct AnswerverifiedShow Answer

"Naked eye astronomers" know that,if you want to view a dim star without a telescope you should

Correct AnswerverifiedShow Answer

The structural unit of compact bone is the

Correct AnswerverifiedShow Answer

A(n) _____ eye has a single lens.

Correct AnswerverifiedShow Answer

You are taking notes in lecture,writing as fast as you can,when suddenly your hand become so stiff that you can't write any more! You pull the pencil from between your frozen fingers with your other hand,and after a few worried moments your hand is able to relax again.What happened?

Correct AnswerverifiedShow Answer

Which of the following events would cease to function if the skeletal muscles became temporarily paralyzed?

Correct AnswerverifiedB

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E

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B

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B