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WorksheetsQ3 Midterm Test
Total questions: 50
Worksheet time: 13hrs 30mins
What is the primary function of the central nervous system?
To transport oxygen in the blood
To process and transmit information throughout the body
To digest food
To support and protect organs
Which part of the brain is responsible for balance and coordination?
Cerebrum
Cerebellum
Medulla oblongata
Hypothalamus
What is the main function of the spinal cord?
To produce hormones
To connect the brain to the rest of the body
To filter waste from the blood
To store memories
Which of the following is a part of the central nervous system?
Vertebrae
Brain and spinal cord
Muscles
Bones
What is the role of neurotransmitters in the nervous system?
To carry oxygen to cells
To transmit signals across synapses
To break down food
To protect the skin
Which bone is the longest long bone?
Femur (thigh)
Humerus (upper arm)
Skull (head)
Tibia (shin)
The "C" ring shaped ________ around the trachea keeps the airway open
Ligament
Cartilage
Sac
Tendon
Choose the correct sequence from start to finish:
Mouth-Trachea-Alveoli-Bronchi-Bronchioles-Capillaries
Mouth-Trachea-Bronchi-Bronchioles-Alveoli-Capillaries
Mouth-Esophagus-Alveoli-Bronchi-Bronchioles-Capillaries
Mouth-Esophagus-Bronchi-Bronchioles-Alveoli- Capillaries
What is the primary function of the respiratory system?
To circulate blood
To exchange gases between the body and the environment
To digest food
To produce hormones
Which structure in the respiratory system is responsible for gas exchange?
Trachea
Epiglottis
Alveoli
Larynx
Which organ is primarily responsible for filtering toxins and produces bile for digestion?
Lungs
Kidneys
Heart
Liver
What is the main function of red blood cells?
To carry oxygen to body tissues
To digest food
To produce hormones
To fight infections
Which area represents the cerebellum?
A
B
C
D
Which letter represents the occipital lobe that deals with vision?
A
B
C
D
The buildup of __________ tells your body that it's time to breathe out?
Carbon dioxide
Cyanide
Blood
Minerals
Where does the gas exchange between oxygen and carbon dioxide occur?
Uvula
Larynx
Capillaries
Trachea
What body part blocks food from going up into the nasal cavity?
Epiglottis
Uvula
Teeth
Trachea
What body part keeps food from going down the windpipe to avoid choking?
Trachea
Larynx
Epiglottis
Uvula
Which side of the body has fewer lobes of the lungs to make space for the heart?
Left
Right
Neither
Both
Which muscle assists in breathing?
Biceps
Diaphram
Pectoralis major
Triceps
When breathing through the nasal cavity (nose), select 3 that help to filter the air.
Villi
Mucus
Hair
Cillia
What body part is also called "the voice box"?
Esophagus
Trachea
Pharynx
Larynx
What is the term for food moving through the digestive system in wave-like contractions?
Retrostalsis
Catastalsis
Peristalsis
Diastalsis
90% of absorption of nutrients happens in which part of the digestive system?
Esophagus
Small Intenstine
Stomach
Colon
What are the three types of muscles in the human body?
Smooth, rough, cardiac
Skeletal, smooth, cardiac
Voluntary, involuntary, reflex
Large, small, microscopic
What is the difference between ligaments and tendons?
Ligaments connect bone to bone; tendons connect muscle to bone
Ligaments connect muscle to bone; tendons connect bone to bone
Ligaments are found only in the arms; tendons are found only in the legs
There is no difference between ligaments and tendons
What is osteoporosis, and how can it be prevented?
A muscle disease; prevented by stretching
A bone disease; prevented by getting calcium, vitamin D, and exercising
A joint disease; prevented by avoiding exercise
A blood disease; prevented by drinking more water
What is the role of the skeletal system in blood cell production?
The skull produces red blood cells
The bone marrow inside certain bones produces blood cells
The ribs store all blood cells
Blood cells are only made in the heart
Why is weight-bearing exercise important for bone health?
It makes bones thinner
It weakens the joints
It has no effect on bones
It strengthens bones and helps prevent bone loss
What type of muscle is responsible for voluntary movement?
Cardiac muscle
Smooth muscle
Skeletal muscle
Involuntary muscle
What happens to muscles when they are not used regularly?
They become stronger
They become larger
They weaken and shrink (atrophy)
They turn into fat
Which muscle type is responsible for involuntary movements like digestion and blood vessel contraction?
Skeletal muscle
Smooth muscle
Cardiac muscle
Tendon muscle
What is muscular hypertrophy?
The decrease in muscle size due to aging
The process of muscle fibers increasing in size in response to strength training
A condition where muscles lose flexibility
A disorder that prevents muscles from contracting
Which of the following macronutrients is most essential for muscle repair and recovery?
Carbohydrates
Protein
Fat
Fiber
What is the primary benefit of slow-twitch muscle fibers?
They allow for powerful, explosive movements
They fatigue quickly and are used for short bursts of activity
They provide endurance for sustained, long-slow duration activities like long distance running and posture
They only function in response to weightlifting
What is the difference between compact bone and spongy bone?
Compact bone is dense and provides strength, while spongy bone is porous and helps absorb impact
Spongy bone is found in the outer layer of bones, while compact bone is found inside
Compact bone is only found in children, while spongy bone is only found in adults
There is no difference; they are the same structure
What mineral is most important for bone strength and density?
Iron
Calcium
Potassium
Sodium
What part of the skeletal system protects the spinal cord?
Ribs
Vertebral column
Pelvis
Clavicle
Which of the following is a major function of the ribcage?
Protecting the heart and lungs
Storing minerals like potassium
Aiding in the production of white blood cells
Connecting muscles to bones
What is the function of the stomach in digestion?
It absorbs nutrients directly into the bloodstream
It produces bile to break down fats
It secretes acid and enzymes to break down food
It transports food from the mouth to the intestines
What is the function of the peripheral nervous system (PNS)?
To protect the brain and spinal cord from injury
To process and store memories
To control involuntary body functions
To send sensory information from the body to the CNS and carry motor commands from the CNS to the body
Which type of neuron carries signals from sensory receptors to the central nervous system?
Motor neurons
Interneurons
Sensory neurons
Glial cells
What is the purpose of myelin sheaths in neurons?
To protect the neuron from toxins
To increase the speed of electrical signal transmission
To connect neurons to muscles
To produce neurotransmitters
Which division of the autonomic nervous system is responsible for the "fight or flight" response?
Sympathetic
Parasympathetic
Central
Peripheral
How many bones are there in an adult human body?
224
212
196
206
The diaphragm plays a key role in which aspect of the respiratory process?
Filtering air
Expelling carbon dioxide
Inhaling and exhaling air
Transporting oxygen to the lungs
Which type of muscle tissue is found in the heart?
Skeletal muscle
Smooth muscle
Striated muscle
Cardiac muscle
What is the role of the frontal lobe in the brain?
Processing sound and language
Visual processing
Memory storage
Motor functions, reasoning, and decision-making
How does the number of synapses in a baby’s brain compare to an adult’s brain?
A baby has fewer synapses than an adult
A baby’s brain has the same number of synapses as an adult
A baby’s brain has no synapses
A baby has more synapses than an adult
Why do adolescents have trouble with impulse control in regards to instant gratification?
Their prefrontal cortex is fully developed
The reward system in the brain develops sooner than the prefrontal cortex
They experience decreased dopamine levels
They have underdeveloped cerebellums
