Exam 3: Chemical, Biological, and Physiological Aspects of Nutrition

The flow of blood between the heart and the lungs is referred to as _____.

Peptic ulcers are caused by _____.

GI motility and the release of GI secretions are carefully regulated by _____.

Water-soluble nutrients absorbed from the digestive tract are circulated directly to the _____.

The food in the digestive tract is mixed and moved by way of muscular contractions called _____.

What digestive enzymes and What they do?

The process whereby nutrients are transported across enterocytes and taken up into circulation is called _____.

What hormone is released when the food you have just eaten reaches your stomach?

The rate of gastric motility and the release of gastric juice _____ when the food moves into the small intestine.

It is difficult for you to taste food when you have nasal congestion because the olfactory cells account for approximately 20% of taste.

Meat turns brown when exposed to air because the iron-containing proteins _____.

Nutrients fuel the cells, tissues, and organs of the body.

Which of the following is one of the six most abundant elements in the human body?

Only water and alcohol are absorbed to any significanby the extent by the stomach.

During endocytosis substances move from the intracellular into the extracellular environment.

Stretching or distension in the walls of the GI tract is detected by y _____.

What causes the release of hydrochloric acid, intrinsic factor, and enzymes in response to the presence of food in the stomach?

Why are condensation and hydrolysis reactions referred to as “make and break” reactions?

Which cellular organelles are responsible for converting the energy in glucose, fatty acids, and amino acids into ATP, a form of energy that the cells can use?

Why might the dietitian who is working with a client who wants to lose weight suggest that that person eat 5-6 smaller meals that contain plenty of whole foods such as fruits, vegetables, and whole grains daily rather than 3 larger ones that contain refined foods and calorie-rich beverages?