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There are five stages in the withdrawal reflex. Which of the following is the fourth stage?


A) Sensory receptor signals sensory neuron
B) Sensory neuron transmits information to CNS
C) Interneuron integration of information
D) Impulse transmission to muscle
E) Muscle contraction

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

Correct Answer

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The limbic system influences emotional aspects of behavior.

A) True
B) False

Correct Answer

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Match each characteristic with either the sympathetic or parasympathetic nervous system.

Premises
The duration of the effect is long-lasting.
Responses
Parasympathetic nervous system
Sympathetic nervous system

Correct Answer

Parasympathetic nervous system
Sympathetic nervous system

The nerve net of Hydra:


A) contains a central control organ and connected neurons.
B) sends electrical signals in only one direction.
C) allows the organism to respond to stimuli approaching from any direction.
D) produces a signal that intensifies as it radiates from its point of origin.
E) cannot coordinate the movement of all tentacles at once.

F) None of the above
G) All of the above

Correct Answer

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Describe the organization of the peripheral nervous system and compare its somatic and autonomic divisions.

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The PNS consists of sensory receptors an...

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The suprachiasmatic nucleus signals which of the following glands about light and dark?


A) Temporal
B) Hypothalamus
C) Thyroid
D) Pituitary
E) Pineal

F) All of the above
G) B) and D)

Correct Answer

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Match the part of the brain with its description.

Premises
Is the lowest part of the brain stem
Responses
Hypothalamus
Thalamus
Cerebellum
Medulla
Cerebrum

Correct Answer

Hypothalamus
Thalamus
Cerebellum
Medulla
Cerebrum

Which of the following is a function of the autonomic division of the peripheral nervous system?


A) Helps the body respond to changes in the external environment
B) Helps maintain the body's posture and balance
C) Transmits sensory information for smell, sight, hearing, and taste
D) Transmits signals to the muscles used in facial expressions
E) Helps maintain homeostasis in the internal environment

F) All of the above
G) C) and D)

Correct Answer

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Broca's area is involved in:


A) sensing sound waves.
B) speech comprehension.
C) the movement of vocal chords.
D) the recognition of spoken words.
E) the recognition of written words.

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

Correct Answer

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The size of the motor area in the brain for any specific body part is relative to:


A) the rest of the body.
B) its position in the body.
C) the complexity of its movements.
D) the number of muscles it contains.
E) the area of the brain that controls it.

F) A) and E)
G) A) and D)

Correct Answer

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The right and left hemispheres of the cerebrum are connected by the:


A) central sulcus.
B) corpus callosum.
C) substantia nigra.
D) central canal.
E) corpus striatum.

F) A) and D)
G) A) and E)

Correct Answer

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Which of the following structures is responsible for the control of the heartbeat and blood pressure?


A) Pons
B) Hypothalamus
C) Medulla
D) Cerebellum
E) Thalamus

F) C) and D)
G) A) and B)

Correct Answer

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The choroid plexus functions to:


A) cushion the brain.
B) control coordination of movement.
C) produce the cerebrospinal fluid.
D) transmit nerve impulses to specialized regions in the brain.
E) divide the right and left hemispheres.

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

Correct Answer

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The drug naloxone blocks the effects of cocaine on the CNS.

A) True
B) False

Correct Answer

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Which person is most likely using implicit memory?


A) Sylvia, who recalls the cranial nerves for a test
B) Connor, who recognizes the face of someone in a crowd
C) Alexis, who remembers the smell of her grandmother's kitchen
D) Fabio, who tries to remember his father's birthday
E) Dan, who plays the guitar

F) B) and E)
G) A) and B)

Correct Answer

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Match the part of the brain with its description.

Premises
The main sensory relay center for conducting information between the spinal cord and the cerebrum
Responses
Cerebellum
Medulla
Cerebrum
Thalamus
Hypothalamus

Correct Answer

Cerebellum
Medulla
Cerebrum
Thalamus
Hypothalamus

The ability of synaptic connections to change in response to experience is known as synaptic:


A) transformity.
B) plasticity.
C) conversion.
D) modulation.
E) potentiation.

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

Correct Answer

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Which statement describes why you respond to your alarm clock in the morning by turning it off?


A) The reticular activating system sends a stimulus to the cerebral cortex.
B) The number of alpha rhythm patterns increases.
C) The number of theta rhythm patterns increases.
D) The cortex of the cerebellum is stimulated.
E) The limbic system is stimulated.

F) None of the above
G) A) and B)

Correct Answer

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What is a characteristic of a reflex action?


A) Reflex actions are involuntary motor responses.
B) Reflex actions require conscious thought.
C) Reflex actions control the interpretation of sensory signals.
D) Reflex actions are spontaneous.
E) Reflex actions involve five types of neurons.

F) A) and D)
G) A) and B)

Correct Answer

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Match each characteristic with either the sympathetic or parasympathetic nervous system.

Premises
The extent of the effect is localized.
Responses
Parasympathetic nervous system
Sympathetic nervous system

Correct Answer

Parasympathetic nervous system
Sympathetic nervous system

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