Question 1

The spiral organ is located in the

Accepted Answer

A)   vestibule.
B)   saccule.
C)   utricle.
D)   cochlea.
E)   semicircular canals.F) A) and E)
G) A) and B)

Question 2

Which of the following correctly describes the structure of a compound eye?

Accepted Answer

A)   composed of many independent visual units, each of which possesses a lens to focus light rays on photoreceptors
B)   composed of a single visual unit that possesses a lens to focus light rays on photoreceptors
C)   composed of many independent visual units that will collectively focus light rays on a singlephotoreceptor
D)   composed of many independent visual units, each of which possesses a lens to focus light rays on a single photoreceptor
E)   composed of a single visual unit that possesses a lens to focus light rays on a single photoreceptorF) All of the above
G) A) and B)

Question 3

The sensory receptors found in skeletal muscles and joints are

Accepted Answer

A)   hair cells.
B)   otoliths.
C)   rods.
D)   cutaneous receptors.
E)   proprioceptors.F) A) and E)
G) B) and C)

Question 4

The spaces in the ends of a long bone such as the femur contain

Accepted Answer

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

Question 5

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) A) and E)
G) C) and E)

Question 6

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 D)
G) A) and B)

Question 7

According to the sliding filament model, when muscle tissue contracts,

Accepted Answer

A)   the Z lines slide away from one another.
B)   the myosin filaments shorten, while the actin filaments remain the same length.
C)   the sarcomeres shorten.
D)   the actin and myosin filaments shorten.
E)   the T tubules shorten.F) A) and B)
G) A) and C)

Question 8

A grasshopper has a(n)  _____ composed mainly of chitin.

Accepted Answer

A)   exoskeleton
B)   hydrostatic skeleton
C)   metaskeleton
D)   endoskeleton
E)   preskeletonF) All of the above
G) A) and C)

Question 9

Which bones articulate at the joint stabilized by the rotator cuff?

Accepted Answer

A)   humerus and scapula
B)   coxal bone and femur
C)   radius and humerus
D)   femur and tibia
E)   scapula and clavicleF) B) and D)
G) B) and C)

Question 10

Which is the more slender bone of the lower leg?

Accepted Answer

A)   radius
B)   tibia
C)   ulna
D)   fibula
E)   femurF) A) and D)
G) D) and E)

Question 11

In a sarcomere, thick filaments are composed of _____ and thin filaments of _____.

Accepted Answer

A)   actin; myosin
B)   sarcoplasm; actin
C)   myosin; actin
D)   Z lines; T tubules
E)   myosin; sarcolemmaF) C) and E)
G) C) and D)

Question 12

You are taking notes in a 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 Ca 2+, 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) B) and D)
G) All of the above

Question 13

Which statement about the spiral organ is incorrect?

Accepted Answer

A)   Its hair cells synapse with the cochlear nerve.
B)   Each part is responsive to a different pitch.
C)   It is found in the cochlea.
D)   It contains the sensory receptors for hearing.
E)   It has two main parts: the utricle and the saccule.F) A) and C)
G) B) and E)

Question 14

Your skeleton is a(n)

Accepted Answer

A)   exoskeleton.
B)   hydrostatic skeleton.
C)   cartilaginous skeleton.
D)   endoskeleton.
E)   osteon.F) All of the above
G) A) and E)

Question 15

In the figure shown here, which of the following is the retina?

Accepted Answer

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

Question 16

In order to lift a book from a table, your _____ must contract; to put the book back down, the _____ must contract.

Accepted Answer

A)   meniscus; bursa
B)   biceps; triceps
C)   actin filament; myosin filament
D)   bursa; meniscus
E)   triceps; bicepsF) C) and D)
G) A) and B)

Question 17

Martha is 57 years old and has been overweight for the past several years. Although she hasn't changed her daily activity level, Martha is now experiencing pain in her hips and knees. What is most likely to be the cause of Martha's discomfort?

Accepted Answer

A)   rheumatoid arthritis
B)   sprains
C)   strains
D)   osteoarthritis
E)   bursitisF) B) and C)
G) A) and D)

Question 18

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

Accepted Answer

A)   ATP is hydrolyzed as myosin heads bind the actin filament→myosin heads bind ATP→ADP + P are released and the myosin heads pull the actin filament
B)   Myosin heads bind ATP→ATP is hydrolyzed as myosin heads bind the actin filament→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→ATP is hydrolyzed as myosin heads bind the actin filament→myosin heads bind ATP
D)   Myosin heads bind ATP→ ADP + P are released and the myosin heads pull the actin filament→ATP is hydrolyzed as myosin heads bind the actin filament
E)   ATP is hydrolyzed as myosin heads bind the actin filament→ADP + P are released and the myosin heads pull the actin filament→myosin heads bind ATPF) A) and D)
G) C) and E)

Question 19

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 E)
G) D) and E)

Question 20

Which sense is found in all animals, and is thought to be the most primitive sense?

Accepted Answer

A)   photoreception
B)   mechanoreception
C)   chemoreception
D)   hearing
E)   proprioceptionF) All of the above
G) C) and E)

Exam 28: Sensory Input and Motor Output

Which statement about the spiral organ is incorrect?

Correct AnswerverifiedShow Answer

Which sense is found in all animals, and is thought to be the most primitive sense?

Correct AnswerverifiedShow Answer

The spaces in the ends of a long bone such as the femur contain

Correct AnswerverifiedShow Answer

Your skeleton is a(n)

Correct AnswerverifiedShow Answer

In a sarcomere, thick filaments are composed of _____ and thin filaments of _____.

Correct AnswerverifiedShow Answer

Martha is 57 years old and has been overweight for the past several years. Although she hasn't changed her daily activity level, Martha is now experiencing pain in her hips and knees. What is most likely to be the cause of Martha's discomfort?

Correct AnswerverifiedShow Answer

Which bones articulate at the joint stabilized by the rotator cuff?

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

The sensory receptors found in skeletal muscles and joints are

Correct AnswerverifiedShow Answer

In order to lift a book from a table, your _____ must contract; to put the book back down, the _____ must contract.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The spiral organ is located in the

Correct AnswerverifiedShow Answer

Which of the following correctly describes the structure of a compound eye?

Correct AnswerverifiedShow Answer

A grasshopper has a(n) _____ composed mainly of chitin.

Correct AnswerverifiedShow Answer

You are taking notes in a 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 is the more slender bone of the lower leg?

Correct AnswerverifiedShow Answer

In the figure shown here, which of the following is the retina?

Correct AnswerverifiedShow Answer

Which of these is mismatched?

Correct AnswerverifiedShow Answer

According to the sliding filament model, when muscle tissue contracts,

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

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In a sarcomere, thick filaments are composed of _ and thin filaments of _.

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In order to lift a book from a table, your _ must contract; to put the book back down, the _ must contract.

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