Question 1

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

Question 2

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

Question 3

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 B

Question 4

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. 
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.

Question 5

The greater the amplitude of sound waves,the greater the

Accepted Answer

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

Question 6

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

Question 7

The ossicles are located in the

Accepted Answer

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

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 becoming cold enough to lead towards 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 becoming cold enough to lead towards frostbite 
E)  alert the body if an acidic substance has been applied to the skin

Question 9

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 10

"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. 
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.

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

Question 12

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. 
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 13

A(n)_____ eye has a single lens.

Accepted Answer

A)  simple 
B)  compound 
C)  static 
D)  camera-type 
E)  eyespot 
A)  simple 
B)  compound 
C)  static 
D)  camera-type 
E)  eyespot

Question 14

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

Question 15

Which of these is mismatched?

Accepted Answer

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

Question 16

The structural unit of compact bone is the

Accepted Answer

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

Question 17

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. 
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.

Question 18

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 brain 
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 brain

Question 19

Which sense requires the stimulation of chemoreceptors?

Accepted Answer

A)  hearing 
B)  smell 
C)  balance 
D)  vision 
E)  touch 
A)  hearing 
B)  smell 
C)  balance 
D)  vision 
E)  touch

Question 20

The contractile units of skeletal muscle are the

Accepted Answer

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

Exam 28: Sensory Input and Motor Output

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

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

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

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

The greater the amplitude of sound waves,the greater the

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

The ossicles are located in the

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

Hair cells are receptors for the senses of

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

Which of these is mismatched?

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?

A(n)_____ eye has a single lens.

The central cavity of a long bone is filled with

Which of these is mismatched?

The structural unit of compact bone is the

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

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

Which sense requires the stimulation of chemoreceptors?

The contractile units of skeletal muscle are the

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