Digestive System Quiz

What is a characteristic of achalasia according to the text?

• Increased relaxation of the lower esophageal sphincter

• Impaired relaxation of the lower esophageal sphincter

• Increased esophageal peristalsis

• Narrowing of the esophagus

What is the primary digestive function of pepsin mentioned in the text?

• Digestion of carbohydrates

• Digestion of fats

• Digests collagen (component of intercellular connective tissue of meat)

• Neutralizing stomach acid

What is a consequence of a low tone of the lower esophagus, as described in the text?

• Increased gastric emptying

• Reduced gastric acid production

• Gastric acid reflux in esophagus

• Improved esophageal peristalsis

The loss of acid from the stomach due to vomiting can lead to which metabolic condition?

• Metabolic acidosis

• Metabolic alkalosis

• Respiratory acidosis

• Respiratory alkalosis

What is a common consequence of diarrhea mentioned in the text?

• Increased absorption of fluids

• Dehydration and loss of HCO3

• Increased plasma volume

• Metabolic alkalosis

Pepsinogen is converted to its active form by the action of:

• Bile

• HCL

• Amylase

• Lipase

Where does the digestion of proteins mainly begin according to the text?

• Small intestine

• Large intestine

• Stomach

• Esophagus

What is a function of the stomach mentioned in the provided text?

• Primarily absorbs nutrients

• Stores food

• Produces bile

• Absorbs most of the water from indigestible food matter

What is a potential consequence of excessive water loss due to vomiting?

• Increased blood pressure

• Increased plasma volume

• Reduced plasma volume (low BP and dehydration)

• Decreased risk of dehydration

Which of the following can be impaired in achalasia?

• Production of saliva

• Digestion of proteins in the stomach

• Impaired peristalsis

• Absorption of fluids in the large intestine