5 Written Questions
5 Matching Questions
- Gastric Emptying
- Heat Production
- 2-3 hr after eating.
- Cellular Respiration
- a Average meal reaches duodenum in how many hrs?
- b *Byproduct of cellular respiration
* Tissues generate more ATP produce more heat
*Influenced by hormones (thyroxine & epinephrine)
*Influenced by exercise & digestion
- c *Slows at exercise intensities >70-80% VO2 max
*Same rate at rest/exercise intensities <70% VO2 max
*Affected by persons fitness & the more fit, the less exercise affects it
*Not affected by exercise duration
*Affected differently by different types of activities.
*Maximal rates 0f 1-1.2 L/hr with gastric volumes of 100-200 mL
- d 1. Chemical reactions generating ATP from nutrients.
*Glucose: is broken down
*ATP thru glycolysis (anerobic resp)
*Krebs cycle(Aitric Acid cycle)
*Electron Transport (energy released to make ATP & Hydrogen)
2. The process in which the cell burns glucose to create ATP with the aid of oxygen. Cells have two different methods of turning food into usable fuel: aerobic respiration and anaerobic respiration.
- e (Anabolism/build up)Glucose to glycogen
5 Multiple Choice Questions
- *Nutrients absorbed from the digestive tract are used for all the body's cellular activities; Catabolism & Anabolism.
*Glucose is the main energy source for body cells, the building blocks of fats & protein may metabolize for energy.
- Abdominal organs produce most of the body heat when?
- The least amt of energy needed to maintain life while body is at rest.
- Hormonal System
5 True/False Questions
Small Intestines absorption → *Pores; carriers; pumps; pinocytosis (drinking in)
* Not just a process of diffusion
*Active "shuttle" transport
*Carriers are specific
*Take energy (kCal) for digestion; Dietary induced thermagenesis
Saliva Types → *Watery-dissolve Food
*Mucus-makes food stick together
*Salivary amylase-begins starch digestion in mouth
Working muscles produce? → Large amounts of heat.
Fat digestion produce? → Glycerol & Fatty Acids
Minerals → Contains:
*dead mucosal cells
*non-absorbed remains of digestion