Exam 3 - Hunger and eating Flashcards
The three phases of energy metabolism are, in sequence:
A. think, fast, and absorb
B. absorptive, cephalic, and fasting
C. fasting, absorptive, and cephalic
D. cephalic, absorptive, and fasting
D
Glucostatic theory is to lipostatic theory as:
A. glucose is to fat
B. short-term is to long-term regulation
C. long-term is to short-term regulation
D. both A and C
D
According to the dominant hypothalamic theory of eating in the 1950’s and 1960’s, hunger is to satiety as:
A. LH is the VMH
B. LH is to the paraventricular nuclei
C. VMH is to the LH
D. pancreas is to the liver
A
Koopmans transplanted a stomach with its attached section of intestine from one rat into another and connected the circulatory system of the transplant to that of the recipient. He then injected food into the implanted stomach. This experiment indicated that:
A. The gastrointestinal tract produces a satiety signal
B. Food-related signals from the gastrointestinal tract are transmitted through the blood
C. Food-related signals from the gastrointestinal tract are transmitted through the nervous system
D. Both A and B
D
Many hunger and satiety peptides have receptors in the:
A. hypothalamus
B. Amygdala
C. hippocampus
D. prefrontal cortex
A
CCK is to neuropeptide Y as:
A. serotonin is to satiety
B. hunger is to satiety
C. rats are to humans
D. satiety is to hunger
D
The peptide produced by fat cells that appears to give the brain feedback about the body’s level of stored fat is:
A. CCK
B. insulin
C. glucagon
D. leptin
D
Is there a set point for the body’s energy reserves that determines when we eat?
no
Digestion
breaking down food and absorbing its constituents
Most energy is stored as fats, why?
it’s more economical
Cephalic energy metabolism
preparation (smelling or thinking about food)
Absorptive energy metabolism
energy absorbed
Fasting energy metabolism
withdrawing energy from reserves, ends with next cephalic phase
Lipids
fats
Amino acids
proteins
Glucose
carbohydrates