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WorksheetsPLTW Human Body Systems Exam
Total questions: 20
Worksheet time: 20mins
Which system includes the brain, spinal cord, and nerves?
Circulatory
Nervous
Respiratory
Digestive
Which types of muscle tissue are striated?
smooth and skeletal
smooth and cardiac
skeletal and cardiac
only the cardiac
Which labeled structure is the occipital lobe?
1
2
3
4
Which structure is the site of gas exchange in the lungs?
Bronchi
Trachea
Alveoli
Diaphragm
Melanin is produced to:
Protect against UV radiation
Enhance skin color
Regulate body temperature
Aid in vitamin D synthesis
How are your leg muscles similar to your heart muscle?
they contract
they are both made of smooth muscle
they both pump blood
they are both under voluntary control
Reflexes differ from voluntary actions because they:
Are slower and require conscious thought
Are faster and automatic
Are always painful and involuntary
Require practice and learning
What part of the brain is responsible for vision?
temporal lobe
parietal lobe
occipital lobe
brain stem
This part of my brain is related to balance and muscle coordination
cerebellum
cerebrum
brainstem
hippocampus
The sliding filament theory describes:
Muscle contraction
Nerve impulse transmission
Bone growth
Blood circulation
Which tissue type is responsible for movement?
Nervous
Epithelial
Connective
Muscle
Which tool separates DNA fragments by size?
Gel electrophoresis
Polymerase chain reaction (PCR)
DNA sequencing
Restriction enzyme analysis
Neurons transmit signals using:
Electrical and chemical impulses
Only electrical impulses
Only chemical impulses
Magnetic and thermal impulses
Which hormone helps regulate water balance?
ADH
Cortisol
Insulin
Glucagon
What type of joint is found in the shoulder?
Hinge
Pivot
Ball and socket
Saddle
Which types of muscle tissue are striated?
smooth and skeletal
smooth and cardiac
skeletal and cardiac
only the cardiac
Which enzyme breaks down starch?
Lipase
Protease
Amylase
Cellulase
Osteoblasts are cells that:
Build bone
Break down bone
Store fat
Produce blood cells
The function of ligaments is to connect:
Muscle to bone
Bone to bone
Skin to muscle
Tendon to joint
Homeostasis is the body’s way of: Fighting disease, Balancing temperature only, Maintaining internal stability, Adjusting to gravity
Fighting disease
Balancing temperature only
Maintaining internal stability
Adjusting to gravity
