Q3 Midterm Test

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