Questions & Answers
Browse all 20 questions from the
Telecommunications and Human Biology study set below.
Each question shows the correct answer — select a study format above to practice interactively.
1
What type of wave do mobile phones use to transmit signals that also passes through human tissue?
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A
Sound waves
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B
Radio waves
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C
Water waves
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D
Mechanical waves
2
Which part of the human eye is most commonly associated with light-based communication, such as fiber optics?
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A
The retina
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B
The cornea
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C
The iris
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D
The lens
3
In a cochlear implant, which body part is directly stimulated by electrical signals to help a person hear?
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A
The eardrum
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B
The auditory nerve
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C
The outer ear
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D
The throat
4
Which form of radiation used in telecommunications is classified as 'non-ionizing', meaning it lacks enough energy to damage DNA?
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A
X-rays
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B
Gamma rays
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C
Radiofrequency energy
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D
Ultraviolet light
5
What physical phenomenon occurs when telecommunication devices are placed near sensitive medical equipment like pacemakers?
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A
Electromagnetic interference
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B
Biological regeneration
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C
Cellular mutation
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D
Refraction
6
The human brain communicates internally using signals that are similar to which component of electronic telecommunications?
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A
Direct current
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B
Electrical impulses
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C
Fiber optic light
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D
Mechanical vibration
7
Which body part is most sensitive to the thermal effects of high-intensity radiofrequency exposure?
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A
The skin
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B
The eyes
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C
The lungs
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D
The fingernails
8
In telecommunications, 'latency' refers to delay; in human biology, what is the delay between a stimulus and a physical reaction called?
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A
Reflex time
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B
Reaction time
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C
Sleep cycle
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D
Metabolism
9
Which type of telecommunication light is invisible to the human eye but used in infrared remote controls?
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A
Ultraviolet
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B
Infrared
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C
Visible light
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D
X-ray
10
What is the primary way the human body maintains its temperature, a process that can be studied in relation to external heat sources like electronic devices?
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A
Thermoregulation
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B
Photosynthesis
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C
Electrolysis
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D
Osmosis
11
Which sensory organ converts light waves into signals for the brain, similar to how a photo-sensor works in optical telecommunications?
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A
The nose
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B
The skin
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C
The eye
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D
The tongue
12
What do telecommunication systems and human nervous systems both require to transmit information effectively?
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A
A pathway
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B
A digestive system
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C
A muscular system
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D
A skeleton
13
Which term describes the process of encoding information, such as the brain encoding memories or a modem encoding data?
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A
Encoding
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B
Digestion
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C
Exhalation
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D
Perspiration
14
Radiofrequency telecommunications operate on specific frequencies, much like how the human ear identifies different:
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A
Pitches of sound
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B
Colors of light
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C
Smells
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D
Textures
15
Which common telecommunication device requires the user to place it against the ear to transmit sound waves to the auditory canal?
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A
Smartphone
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B
Satellite dish
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C
Fiber optic cable
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D
Router
16
What is the unit of frequency used to measure both telecommunication signals and human brain waves?
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A
Hertz
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B
Joules
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C
Watts
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D
Volts
17
Which part of the human nervous system acts as the main 'signal hub' for transmitting information, similar to a telecommunications network switch?
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A
The spinal cord
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B
The stomach
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C
The liver
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D
The bone
18
Exposure to excessive noise from telecommunication headsets can cause damage to which internal ear structure?
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A
Cochlea
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B
Earlobe
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C
Pinna
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D
Eardrum
19
Which natural telecommunication system allows humans to share complex information through sound vibrations in the air?
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A
Speech
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B
Breathing
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C
Digestion
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D
Walking
20
What does the human body use to protect the 'cables' of the nervous system, similar to insulation on copper telecommunication wires?
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A
Myelin sheath
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B
Skin
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C
Hair
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D
Blood
