Digestive System Quiz - 1

Which of the following organs is primarily responsible for nutrient absorption?

• Mouth

• Stomach

• Small intestine

• Large intestine

What is the primary function of the stomach in digestion?

• Absorbing nutrients

• Breaking down food with acid and enzymes

• Storing waste

• Producing bile

What happens to food in the mouth during digestion?

• It is broken down by acid

• It is mechanically broken down and mixed with saliva

• It is absorbed into the bloodstream

• It is chemically digested by bile

Why is the small intestine important in digestion?

• It filters waste from the blood

• It absorbs nutrients from the food into the bloodstream

• It neutralizes stomach acid

• It stores bile

If a person has an infection affecting their stomach, how might their digestive process be impacted?

• Food may not be chewed properly

• Nutrient absorption in the small intestine will stop

• The breakdown of food with stomach acids may be reduced

• The large intestine will stop reabsorbing water

Given the function of the small intestine, what dietary adjustments might a person with nutrient absorption problems need?

• Increase fiber intake

• Eat more protein-rich foods

• Avoid fatty foods

• Take nutrient supplements

How does the digestive system interact with the circulatory system to maintain homeostasis?

• The circulatory system transports digested nutrients to cells

• The digestive system provides oxygen to blood cells

• The circulatory system helps filter waste from the digestive organs

• The digestive system helps pump blood through the body

What might be the long-term effect of a blockage in the large intestine?

• Difficulty breaking down proteins

• Dehydration due to poor water absorption

• Reduced nutrient absorption in the stomach

• Increased saliva production in the mouth

Where wil digestion be helped by useful bacteria? Pick one or more spots.

A doctor advises a patient to wash their hands frequently and avoid undercooked food to prevent foodborne illnesses. Evaluate this advice and suggest another prevention method.

• • The advice is sufficient; no other methods are necessary

• • This advice is incomplete; cooking food at high temperatures and refrigerating leftovers promptly can also hel

• • This advice is flawed; focusing on hydration is more important for preventing illness.

• • The advice is not relevant; eating more fruits and vegetables is a better prevention method