Question 1

Which of these is responsible for rotational equilibrium?

Accepted Answer

A)   auditory canal
B)   ossicles
C)   semicircular canals
D)   cochlea
E)   tympanic membraneF) A) and B)
G) D) and E)

Question 2

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

Accepted Answer

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

Question 3

Which of these statements about contracting muscles is incorrect?

Accepted Answer

A)   A contracting muscle shortens.
B)   A contracting muscle uses cellular energy.
C)   A contracting muscle may work as part of an antagonistic pair.
D)   A contracting muscle can only push; it cannot pull.
E)   A contracting muscle cannot push; it can only pull.F) A) and B)
G) B) and D)

Question 4

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 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 B)
G) D) and E)

Question 5

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 single photoreceptor
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) A) and B)
G) B) and E)

Question 6

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 occur.F) A) and B)
G) B) and E)

Question 7

Which of these is a hinge joint?

Accepted Answer

A)   the joint between the coxal bone and the femur
B)   the joint between the scapula and the humerus
C)   the joint between two adjacent vertebrae
D)   the joint between the femur and the tibia and fibula
E)   the joint between adjacent cranial bonesF) A) and D)
G) None of the above

Question 8

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 being damaged by frostbite
E)   alert the body if an acidic substance has been applied to the skinF) C) and D)
G) D) and E)

Question 9

Which of these belongs to the outer ear?

Accepted Answer

A)   auditory canal
B)   ossicles
C)   semicircular canals
D)   cochlea
E)   tympanic membraneF) B) and E)
G) B) and D)

Question 10

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 E)
G) B) and E)

Question 11

Which of the following functions is performed by both the skeletal and muscular system?

Accepted Answer

A)   protection of internal organs
B)   movement of blood through the veins
C)   storage of calcium
D)   maintenance of body temperature
E)   storage of fatF) A) and C)
G) A) and B)

Question 12

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

Question 13

Which of these animals has a body supported by a hydrostatic skeleton?

Accepted Answer

A)   lobster
B)   deer
C)   fruit fly
D)   leech
E)   millipedeF) A) and C)
G) C) and D) D

Question 14

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 B)
G) All of the above

Question 15

If a drug prevents calcium release from the sarcoplasmic reticulum, it would likely be used as a

Accepted Answer

A)   treatment for osteoarthritis.
B)   treatment for osteoporosis.
C)   muscle relaxant.
D)   stimulant for blood cell production.
E)   promoter of muscle contraction.F) A) and C)
G) D) and E) C

Question 16

Which is not a type of taste?

Accepted Answer

A)   umami
B)   sweet
C)   sour
D)   bitter
E)   hotF) A) and E)
G) A) and C)

Question 17

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) A) and D)
G) A) and C)

Question 18

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) C) and D)
G) B) and D)

Question 19

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 B)
G) B) and C)

Question 20

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) B) and C)
G) A) and C)

Exam 28: Sensory Input and Motor Output

Which of these is responsible for rotational equilibrium?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of these statements about contracting muscles is incorrect?

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

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of these is a hinge joint?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of these belongs to the outer ear?

Correct AnswerverifiedShow Answer

Hair cells are receptors for the senses of

Correct AnswerverifiedShow Answer

Which of the following functions is performed by both the skeletal and muscular system?

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 AnswerverifiedD

Which of these animals has a body supported by a hydrostatic skeleton?

Correct AnswerverifiedD

Which statement about the spiral organ is incorrect?

Correct AnswerverifiedShow Answer

If a drug prevents calcium release from the sarcoplasmic reticulum, it would likely be used as a

Correct AnswerverifiedC

Which is not a type of taste?

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 bones articulate at the joint stabilized by the rotator cuff?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

The sensory receptors found in skeletal muscles and joints are

Correct AnswerverifiedShow Answer

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D

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D

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C

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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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