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Examen sur l'utilisation des Substrats Énergétique

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examen sur Examen sur l'utilisation des Substrats Énergétique contenant des questions libres, des questions à choix multiples et leurs réponses

Institution
Biochemistry
Course
Biochemistry

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Utilisation des Substrats Énergétiques

Ce document traite de l'utilisation des substrats énergétiques dans le corps humain, en
mettant l'accent sur les glucides, les lipides et les protéines. Il aborde les différentes
périodes métaboliques (postprandiale, postabsorptive, et de jeûne) et le rôle des organes
dans le métabolisme énergétique.

Fill in the Blank: Fill in the blank with the correct words.

1. Les glucides fournissent __ kilocalories par gramme.
2. En période postprandiale, les __ sont principalement oxydés.
3. Le __ est un intermédiaire clé du métabolisme du glucose.
4. Les __ sont transportés par les chylomicrons formés dans l'intestin.
5. Pendant le jeûne, le foie produit des __ à partir des acides gras.

Word bank: acides gras, triglycérides, corps cétoniques, 4, glucose, lipides, pyruvate

Multiple Choice Questions: Choose the correct answer from the choices for each question.

1. Quelle est la source principale d'énergie pour le cerveau en période postprandiale ?

○ a) Acides gras
○ b) Glucose
○ c) Corps cétoniques
○ d) Protéines
2. Quelle hormone stimule la synthèse du glycogène ?

○ a) Glucagon
○ b) Insuline
○ c) Adrénaline
○ d) Cortisol
3. Quel organe est responsable de la production de corps cétoniques pendant le jeûne
?

○ a) Cerveau
○ b) Muscle
○ c) Foie
○ d) Rein
4. Quel processus est activé par une baisse de l'insulinémie et une élévation du
glucagon ?

○ a) Glycogénolyse
○ b) Lipogenèse
○ c) Synthèse protéique
○ d) Glycolyse
5. Quelle est la principale source d'énergie pour le muscle pendant l'exercice physique
?

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Institution
Biochemistry
Course
Biochemistry

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Uploaded on
December 19, 2024
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Written in
2024/2025
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