QCM : pratique 10 physio — 7 questions

Questions et réponses du QCM

1. Which set names the four core processes highlighted as essential for digestive function at the tract wall?

Ingestion, mastication, defecation, and fermentation
Peristalsis, emulsification, transport, and elimination
Digestion, secretion, absorption, and motility
Storage, filtration, propulsion, and excretion

Digestion, secretion, absorption, and motility

Explication

The four pillars of digestive function are digestion, secretion, absorption, and motility. The other choices mix in related digestive activities, but they are not the four core pillars named in the material.

2. What best describes the integrative approach to digestive physiology?

Linking whole-organ digestive function with underlying cellular processes
Focusing exclusively on intestinal length and organ size
Explaining digestion as a single event that occurs in the stomach
Classifying animals only by the shape of their teeth

Linking whole-organ digestive function with underlying cellular processes

Explication

The integrative approach connects organ-level function with cellular and micro-physiological processes. It is broader than anatomy alone and treats digestion as a coordinated system.

3. In functional mapping of the digestive tract, which set of regions is used to organize digestive roles?

Duodenum, jejunum, and ileum
Mouth, esophagus, and stomach
Foregut, midgut, and hindgut
Lumen, wall, and bloodstream

Foregut, midgut, and hindgut

Explication

The mapping groups the tract into foregut, midgut, and hindgut to assign regional functions. The other options are anatomical subdivisions or compartments, but not the functional scheme described here.

4. Which feeding strategy describes animals that obtain nutrients mainly from decomposing organic material?

Herbivory
Filter feeding
Detritivory
Carnivory

Detritivory

Explication

Detritivores are defined as animals that obtain nutrients mainly from decomposing organic material. Herbivores, filter feeders, and carnivores obtain food from plants, suspended particles, and animal tissue, respectively.

5. What does instructional integration in digestive physiology emphasize?

Linking whole-organ function to underlying cellular processes
Listing digestive organs in anatomical order only
Classifying animals strictly by feeding strategy
Focusing only on nutrient absorption in the small intestine

Linking whole-organ function to underlying cellular processes

Explication

Instructional integration connects organ-level digestive function with cellular or micro-physiological processes. The other options describe narrower or different teaching goals.

6. Which set contains the four pillars of digestive function?

Ingestion, filtration, storage, and excretion
Grinding, chewing, swallowing, and elimination
Digestion, secretion, absorption, and motility
Hydrolysis, circulation, transport, and respiration

Digestion, secretion, absorption, and motility

Explication

The four pillars of digestive function are digestion, secretion, absorption, and motility. The other options mix in unrelated processes or narrower steps that are not the core framework.

7. Why does the classification scheme connect an animal’s diet with its anatomical features?

Because diet drives adaptations in structures such as teeth and feeding organs
Because all animals use the same feeding structures regardless of food source
Because anatomy determines the chemical composition of every diet
Because diet categories are based only on body size and habitat

Because diet drives adaptations in structures such as teeth and feeding organs

Explication

The scheme links what an animal eats to the structures it uses to obtain and process that food, such as dentition or specialized feeding organs. The other options ignore the adaptation-based logic of the classification.

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Detritivores — diet?

Decomposing organic material

Herbivores — diet?

Plant-based diets

Filter Feeders — mechanism?

Extract suspended particles from water

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