Question

Your girlfriend seems quite thin and is a cheerleader so she gets plenty of exercise. She hardly seems to eat when you go out though, and in addition to team practices, she spends a great deal of time exercising and expresses concern about her weight. Which eating disorder might you suspect?

	A.	Anorexia nervosa
	B.	Binge-eating disorder
	C.	Obesity
	D.	Bulimia nervosa
	E.	Not so much an eating disorder as just an obsession

Skeletal muscles are arranged in antagonistic pairs. What does this mean and what is an example?

	A.	There are always paired tendons and ligaments; the hip joint.
	B.	When one sarcomere contracts, the neighboring one relaxes; triceps and biceps.
	C.	One is under conscious control and one is not; the diaphragm and ribs.
	D.	There is always paired cartilage and muscle tissue; the knee joint.
	E.	When one contracts, the other relaxes and this allows the bones to move; triceps and biceps.

Which are the likely consequences of insufficient fat in the diet of a victim of an eating disorder?

	A.	Weight loss
	B.	Bone thinning
	C.	Disruption of the menstrual cycle
	D.	Sterility
	E.	All of the above

Where does the energy in food come from?

	A.	Proteins, carbohydrates, or fats
	B.	ATP
	C.	Food, by itself, doesn't contain energy, but the digestive system creates it.
	D.	The chemical bonds holding the food molecules together
	E.	Combining water with any sort of food creates energy.