Chapters 22 And 23 Flashcards
Which peptide, secreted by the stomach, increases hunger in humans
Ghrelin
Which form of energy expenditure is the energy used to move molecules from one side of a membrane to the other
Transport work
Several things, including food ingestion, amount of lean muscle mass and gender can affect metabolic rate. What other factor can affect metabolic rate
Age
What is the primary site of nutrient pools that are available for immediate use in the body?
Plasma
Why is glucose present in the urine of people with diabetes mellitus
Insulin target cells are unable to take in the glucose from the blood, resulting in hyperglycemia and saturation of kidney glucose transporters
How does binding of insulin to its receptor cause glucose uptake from the bloodstream
It causes insertion of GLUT4 transporters in the membrane
Which of the following best explains why rings on your fingers typically fit tighter in the summer as opposed to winter
The body is trying to maintain normal body temperature by dissipating heat from the body. One way to do that is for the cutaneous blood vessels to dilate. This dilation results in the swelling of the fingers
Adipocytes secrete the hormone
Leptin
One kilocalorie (kcal) is the amount of energy needed to raise one ____ of water by 1 degree C
Liter
Diet-induced thermogenesis is highest after ingestion of
Proteins
The reactions where fats are broken down into glycerol and fatty acids are called
Lipolysis
During starvation,
Gluconeogenesis accelerates
Dehydration can result from
Heat exhaustion and diabetes
The common precursor for all steroid hormones is ______
Cholesterol
What is the strongest negative feedback signal inhibiting corticotropin-releasing hormone release
Cortisol
How is the hypothalamic control of growth hormone (GH) release different from the control of TSH and ACTH
The hypothalamus releases both stimulatory and inhibitory tropic hormones for GH, whereas it only releases stimulatory hormones for TSH and ACTH
Which hormone is permissive for growth and and important for normal neural development
Thyroid hormone
Which hormones are directly required for growth of soft tissue
Thyroid hormone, growth hormone, insulin
Cortisol secretion shows a ____ pattern of secretion, normally in the ____
Circadian, morning
What is the most important hormone causing an increase in serum Ca 2+
PTH
