Question 1

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

Question 2

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

Accepted Answer

A)  lobster 
B)  deer 
C)  fruit fly 
D)  leech 
E)  millipede 
A)  lobster 
B)  deer 
C)  fruit fly 
D)  leech 
E)  millipede D

Question 3

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)  bursitis 
A)  rheumatoid arthritis 
B)  sprains 
C)  strains 
D)  osteoarthritis 
E)  bursitis D

Question 4

The sensory receptors found in skeletal muscles and joints are

Accepted Answer

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

Question 5

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. 
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.

Question 6

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 skin 
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 skin

Question 7

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

Question 8

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 photoreceptor 
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 photoreceptor

Question 9

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. 
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.

Question 10

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. 
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.

Question 11

Which is not a type of taste?

Accepted Answer

A)  umami 
B)  sweet 
C)  sour 
D)  bitter 
E)  hot 
A)  umami 
B)  sweet 
C)  sour 
D)  bitter 
E)  hot

Question 12

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

Question 13

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

Question 14

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

Question 15

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. 
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.

Question 16

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

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
E)  E 
A)  A 
B)  B 
C)  C 
D)  D 
E)  E

Question 17

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 bones 
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 bones

Question 18

Which of these belongs to the outer ear?

Accepted Answer

A)  auditory canal 
B)  ossicles 
C)  semicircular canals 
D)  cochlea 
E)  tympanic membrane 
A)  auditory canal 
B)  ossicles 
C)  semicircular canals 
D)  cochlea 
E)  tympanic membrane

Question 19

Which of these is responsible for rotational equilibrium?

Accepted Answer

A)  auditory canal 
B)  ossicles 
C)  semicircular canals 
D)  cochlea 
E)  tympanic membrane 
A)  auditory canal 
B)  ossicles 
C)  semicircular canals 
D)  cochlea 
E)  tympanic membrane

Question 20

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

Exam 28: Sensory Input and Motor Output

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

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

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?

The sensory receptors found in skeletal muscles and joints are

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?

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

Hair cells are receptors for the senses of

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

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

Which statement about the spiral organ is incorrect?

Which is not a type of taste?

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

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

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

Which of these statements about contracting muscles is incorrect?

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

Which of these is a hinge joint?

Which of these belongs to the outer ear?

Which of these is responsible for rotational equilibrium?

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

A View of Life

The Chemical Basis of Life

The Organic Molecules of Life

Inside the Cell

The Dynamic Cell

Energy for Life

Energy for Cells

Cellular Reproduction

Meiosis and the Genetic Basis of Sexual Reproduction

Patterns of Inheritance

DNA Biology and Technology

Biotechnology and Genomics

Genetic Counseling

Darwin and Evolution

Evolution on a Small Scale

Evolution on a Large Scale

The Microorganisms: Viruses, Bacteria, and Protists

The Plants and Fungi

The Animals

Plant Anatomy and Growth

Plant Responses and Reproduction

Being Organized and Steady

The Transport Systems

The Maintenance Systems

Digestion and Human Nutrition

Defenses Against Disease

The Control Systems

Reproduction and Embryonic Development

Ecology of Populations

Communities and Ecosystems

Human Impact on the Biosphere

Filters

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