29) Which of the following is a characteristic of vitamin A in foods?
a.Fast foods are generally considered good sources of vitamin A
b.A regular intake of chicken liver is known to induce toxicity in children
c.Xanthophylls in certain vegetables can be converted to active vitamin A in the liver
d.Chlorophyll in vegetables can be converted to active vitamin A in the intestinal cells
30) Which of the following is a feature of vitamin K?
a.A deficiency increases the risk for hemophilia
b.A deficiency leads to keratinization of the cornea
c.Bacteria in the intestines synthesize bioavailable vitamin K
d.There are multiple forms in the diet, of which menadione is the naturally occurring
form
31) Which of the following is NOT one of the factors that meet the conditions for
surgical intervention for weight loss in obese people?
a.BMI of at least 40
b.Absence of psychological problems
c.Ability to tolerate phendimetrazine, orlistat, or phentermine
d.Failure of diet and exercise to promote acceptable weight loss
32) Peripheral resistance of blood flow is calculated as
a.heart rate divided by pulse rate
b.cardiac output times blood pressure
c.ejection volume times stroke volume
d.blood pressure divided by cardiac output
33) Which of the following is NOT among the characteristics of beer as a beverage for
athletes?
a.It is mineral poor