Question 1

When you hear the waves,which of the following is being activated?

Accepted Answer

A) mechanoreceptor 
B) thermoreceptor 
C) photoreceptor 
D) pain receptor 
E) chemoreceptor 
A) mechanoreceptor 
B) thermoreceptor 
C) photoreceptor 
D) pain receptor 
E) chemoreceptor

Question 2

Toxins produced by Clostridium botulinum (botulism toxin)block the release of acetylcholine from neurons.These toxins work by

Accepted Answer

A) inhibiting synthesis of acetylcholine. 
B) triggering increased synthesis of acetylcholine. 
C) triggering increased exocytosis of vesicles containing acetylcholine. 
D) inhibiting exocytosis of vesicles containing acetylcholine. 
E) blocking diffusion of acetylcholine out through channel proteins. 
A) inhibiting synthesis of acetylcholine. 
B) triggering increased synthesis of acetylcholine. 
C) triggering increased exocytosis of vesicles containing acetylcholine. 
D) inhibiting exocytosis of vesicles containing acetylcholine. 
E) blocking diffusion of acetylcholine out through channel proteins.

Question 3

When you look at the water,which of the following is being activated?

Accepted Answer

A) thermoreceptor 
B) pain receptor 
C) photoreceptor 
D) mechanoreceptor 
E) chemoreceptor 
A) thermoreceptor 
B) pain receptor 
C) photoreceptor 
D) mechanoreceptor 
E) chemoreceptor

Question 4

The part of the neuron that is usually highly branched and receives input from other neurons is the

Accepted Answer

A) dendrite. 
B) axon. 
C) synapse. 
D) cell body. 
E) myelin sheath. 
A) dendrite. 
B) axon. 
C) synapse. 
D) cell body. 
E) myelin sheath.

Question 5

An atom or molecule with an electrical charge is

Accepted Answer

A) an isomer. 
B) an isotope. 
C) an ion. 
D) a neurotransmitter. 
E) an acid. 
A) an isomer. 
B) an isotope. 
C) an ion. 
D) a neurotransmitter. 
E) an acid.

Question 6

The part of the brain that coordinates muscular movements is the

Accepted Answer

A) cerebellum. 
B) hypothalamus. 
C) medulla oblongata. 
D) pons. 
E) cerebrum. 
A) cerebellum. 
B) hypothalamus. 
C) medulla oblongata. 
D) pons. 
E) cerebrum.

Question 7

If a person has been prescribed eyeglasses with concave lenses it is most likely to correct for that person

Accepted Answer

A) having astigmatism. 
B) being farsighted. 
C) being cross-eyed. 
D) None of the answers are correct. 
E) being nearsighted. 
A) having astigmatism. 
B) being farsighted. 
C) being cross-eyed. 
D) None of the answers are correct. 
E) being nearsighted.

Question 8

A cochlear implant uses a microphone to pick up sound,then a sound processor decomposes it into separate frequency components.Electrodes placed directly in the cochlea stimulate the parts of the auditory nerve corresponding to each frequency.A cochlear implant would bypass which of the following?

Accepted Answer

A) the cochlea 
B) the eardrum 
C) the auditory nerve 
D) the auditory canal 
E) the outer ear 
A) the cochlea 
B) the eardrum 
C) the auditory nerve 
D) the auditory canal 
E) the outer ear

Question 9

A receptor potential is a graded potential that occurs in a sensory receptor.

Accepted Answer

A) True 
 B)False

Question 10

The division of the peripheral nervous system that carries signals to voluntary muscles is the

Accepted Answer

A) somatic system. 
B) autonomic system. 
C) sympathetic system. 
D) parasympathetic system. 
E) None of the answers are correct. 
A) somatic system. 
B) autonomic system. 
C) sympathetic system. 
D) parasympathetic system. 
E) None of the answers are correct.

Question 11

During an action potential,sodium ions enter into the cell.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is detected with the general senses?

Accepted Answer

A) kissing someone you care for 
B) shaking hands with an acquaintance 
C) someone pinching your cheeks 
D) All answers are correct. 
E) your finger on a hot stove 
A) kissing someone you care for 
B) shaking hands with an acquaintance 
C) someone pinching your cheeks 
D) All answers are correct. 
E) your finger on a hot stove

Question 13

A neuron recharges when

Accepted Answer

A) Na+ ions are actively pumped against their concentration gradient. 
B) Na+ ions spontaneously move down their concentration gradient. 
C) Na+ ions spontaneously move against their concentration gradient. 
D) Na+ ions are actively pumped down their concentration gradient. 
A) Na+ ions are actively pumped against their concentration gradient. 
B) Na+ ions spontaneously move down their concentration gradient. 
C) Na+ ions spontaneously move against their concentration gradient. 
D) Na+ ions are actively pumped down their concentration gradient.

Question 14

If a neuron is at rest,the concentration of potassium ions is greatest outside the cell and the concentration of sodium ions is greatest inside the cell.

Accepted Answer

A) True 
 B)False

Question 15

The three types of neurons in the nervous system of humans are

Accepted Answer

A) interneurons,synaptic neurons,and neurogliA. 
B) synaptic neurons,motor neurons,and neuroglia. 
C) sensory neurons,interneurons,and motor neurons. 
D) interneurons,sensory neurons,and neuroglia. 
E) synaptic neurons,motor neurons,and sensory neurons. 
A) interneurons,synaptic neurons,and neurogliA. 
B) synaptic neurons,motor neurons,and neuroglia. 
C) sensory neurons,interneurons,and motor neurons. 
D) interneurons,sensory neurons,and neuroglia. 
E) synaptic neurons,motor neurons,and sensory neurons.

Question 16

A pheromone is a volatile chemical substance that elicits a specific response in members of a different species.

Accepted Answer

A) True 
 B)False

Question 17

The type of neuron that conducts its message from the central nervous system toward an effector is the

Accepted Answer

A) synaptic neuron. 
B) interneuron. 
C) motor neuron. 
D) sensory neuron. 
E) neuroglia. 
A) synaptic neuron. 
B) interneuron. 
C) motor neuron. 
D) sensory neuron. 
E) neuroglia.

Question 18

The condition that develops when GABA levels in the brain are deficient is

Accepted Answer

A) epilepsy. 
B) insomnia. 
C) Huntington disease. 
D) Alzheimer disease. 
E) Parkinson diseasE. 
A) epilepsy. 
B) insomnia. 
C) Huntington disease. 
D) Alzheimer disease. 
E) Parkinson diseasE.

Question 19

The layer of the wall of the eye that is modified into the cornea at the front of the eye is the

Accepted Answer

A) choroid. 
B) retina. 
C) vitreous humor. 
D) sclera. 
E) aqueous humor. 
A) choroid. 
B) retina. 
C) vitreous humor. 
D) sclera. 
E) aqueous humor.

Question 20

Which of the following is NOT controlled by the nervous system?

Accepted Answer

A) breathing 
B) heartbeat 
C) removing your hand from a hot surface 
D) removing your hand from a cold surface 
E) diffusion of water into cells 
A) breathing 
B) heartbeat 
C) removing your hand from a hot surface 
D) removing your hand from a cold surface 
E) diffusion of water into cells

Exam 24: Nervous System and the Senses

When you hear the waves,which of the following is being activated?

Toxins produced by Clostridium botulinum (botulism toxin)block the release of acetylcholine from neurons.These toxins work by

When you look at the water,which of the following is being activated?

The part of the neuron that is usually highly branched and receives input from other neurons is the

An atom or molecule with an electrical charge is

The part of the brain that coordinates muscular movements is the

If a person has been prescribed eyeglasses with concave lenses it is most likely to correct for that person

A cochlear implant uses a microphone to pick up sound,then a sound processor decomposes it into separate frequency components.Electrodes placed directly in the cochlea stimulate the parts of the auditory nerve corresponding to each frequency.A cochlear implant would bypass which of the following?

A receptor potential is a graded potential that occurs in a sensory receptor.

The division of the peripheral nervous system that carries signals to voluntary muscles is the

During an action potential,sodium ions enter into the cell.

Which of the following is detected with the general senses?

A neuron recharges when

If a neuron is at rest,the concentration of potassium ions is greatest outside the cell and the concentration of sodium ions is greatest inside the cell.

The three types of neurons in the nervous system of humans are

A pheromone is a volatile chemical substance that elicits a specific response in members of a different species.

The type of neuron that conducts its message from the central nervous system toward an effector is the

The condition that develops when GABA levels in the brain are deficient is

The layer of the wall of the eye that is modified into the cornea at the front of the eye is the

Which of the following is NOT controlled by the nervous system?

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