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PLTW: HBS EOC Exam Review
2025 | Brand New Actual Questions
With Correct Answers
What charge does DNA have? - CORRECT-ANSWER-negative
What kind of gel does gel electrophoresis use? - CORRECT-ANSWER-agarose gel
When DNA is placed in the electrophoresis well, it is near a _______ electrode.
When electricity is started, the move toward _______ electrode. - CORRECT-
ANSWER-negative, positive
Communication in the human body can be what two types? - CORRECT-ANSWER-
chemical or electrical
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What are consequences of miscommunication in the body? - CORRECT-ANSWER-
uncontrolled movements, lack of balance, paralysis, mental illness, etc.
What is sensory input? - CORRECT-ANSWER-sense information that is carried to
the brain
What is motor output? - CORRECT-ANSWER-muscle movement as a response to a
stimulus
What is the peripheral nervous system (PNS)? - CORRECT-ANSWER-the nerves of
the body not including the brain and spinal cord
What is the central nervous system (CNS)? - CORRECT-ANSWER-the nerves of the
brain and spinal cord
What parts of the brain control necessary bodily functions? - CORRECT-ANSWER-
cerebellum (balance, coordination), brainstem (breathing, swallowing, heart rate,
etc.)
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What parts of the brain control emotion? - CORRECT-ANSWER-hippocampus
(memory), amygdala (anger), hypothalmus (desire)
Which lobes of the brain are connected to intelligence and higher cognitive
functions? - CORRECT-ANSWER-frontal lobe, parietal lobe, temporal lobe,
occipital lobe
What part of the brain allows speech? - CORRECT-ANSWER-Broca's area
What part of the brain allows voluntary movement? - CORRECT-ANSWER-Motor
cortex
What part of the brain processes sensory information? - CORRECT-ANSWER-
Sensory cortex
What part of the brain processes speech? - CORRECT-ANSWER-Wernicke's area
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What are gyri? - CORRECT-ANSWER-the ridges and grooves in the brain
What are sulci? - CORRECT-ANSWER-the valleys between grooves in the brain
What body system controls electrical communication? - CORRECT-ANSWER-
nervous system
What body system controls chemical signals? - CORRECT-ANSWER-endocrine
system
What does a neuron do? - CORRECT-ANSWER-sends electrical signals through the
body
What do dendrites do? - CORRECT-ANSWER-pick up signals
What do axons do? - CORRECT-ANSWER-carry signals through the neuron
PLTW: HBS EOC Exam Review
2025 | Brand New Actual Questions
With Correct Answers
What charge does DNA have? - CORRECT-ANSWER-negative
What kind of gel does gel electrophoresis use? - CORRECT-ANSWER-agarose gel
When DNA is placed in the electrophoresis well, it is near a _______ electrode.
When electricity is started, the move toward _______ electrode. - CORRECT-
ANSWER-negative, positive
Communication in the human body can be what two types? - CORRECT-ANSWER-
chemical or electrical
,2|Page
What are consequences of miscommunication in the body? - CORRECT-ANSWER-
uncontrolled movements, lack of balance, paralysis, mental illness, etc.
What is sensory input? - CORRECT-ANSWER-sense information that is carried to
the brain
What is motor output? - CORRECT-ANSWER-muscle movement as a response to a
stimulus
What is the peripheral nervous system (PNS)? - CORRECT-ANSWER-the nerves of
the body not including the brain and spinal cord
What is the central nervous system (CNS)? - CORRECT-ANSWER-the nerves of the
brain and spinal cord
What parts of the brain control necessary bodily functions? - CORRECT-ANSWER-
cerebellum (balance, coordination), brainstem (breathing, swallowing, heart rate,
etc.)
,3|Page
What parts of the brain control emotion? - CORRECT-ANSWER-hippocampus
(memory), amygdala (anger), hypothalmus (desire)
Which lobes of the brain are connected to intelligence and higher cognitive
functions? - CORRECT-ANSWER-frontal lobe, parietal lobe, temporal lobe,
occipital lobe
What part of the brain allows speech? - CORRECT-ANSWER-Broca's area
What part of the brain allows voluntary movement? - CORRECT-ANSWER-Motor
cortex
What part of the brain processes sensory information? - CORRECT-ANSWER-
Sensory cortex
What part of the brain processes speech? - CORRECT-ANSWER-Wernicke's area
, 4|Page
What are gyri? - CORRECT-ANSWER-the ridges and grooves in the brain
What are sulci? - CORRECT-ANSWER-the valleys between grooves in the brain
What body system controls electrical communication? - CORRECT-ANSWER-
nervous system
What body system controls chemical signals? - CORRECT-ANSWER-endocrine
system
What does a neuron do? - CORRECT-ANSWER-sends electrical signals through the
body
What do dendrites do? - CORRECT-ANSWER-pick up signals
What do axons do? - CORRECT-ANSWER-carry signals through the neuron
