When leptin secretion occurs
a. an individual is driven to eat
b. triglyceride uptake by the fat cells increases
c. BMR rises
d. food consumption slows and then stops
Q. 2Which mineral helps muscles to relax after contraction and tooth enamel to retain calcium?
a. fluoride
b. potassium
c. magnesium
d. zinc
e. iodine
Q. 3-adrenergic receptors in fat cells stimulate
a. homeostasis
b. lipogenesis
c. lipolysis
d. hyperplasia
Q. 4Which mineral is vital to lipid transport in the blood and to cell membrane structure?
a. phosphorus
b. iodine
c. zinc
d. potassium
e. chromium
Q. 5What is the role of the hypothalamus in hunger and satiety?
a. it produces leptin at abnormally high levels in some people, stimulating hunger
b. it contains hunger and satiety centers that are responsive to neuropeptides
c. it signals the duodenum to secrete cholecystokinin after eating
d. all are roles of the hypothalamus
Q. 6Gertrude has a young son named Ben, and wants to know how to make sure he grows strong bones. Ben's pediatrician advises her to include calcium-rich foods in his daily diet so he can attain a high bone mass. Why is this so important?
a. Calcium is only deposited in the bones during childhood.
b. Bone mass is the main factor influencing bone health.
c. Calcium intake is the only factor that significantly affects bone health.
d. Bones are rigid structures that never change once they grow.
e. Bone mass can be steadily increased throughout the course of a lifetime.
Quick Reply
