The _ is the region that triggers hunger in response to signals from nerve cells and messages carried by hormones? A. Pancreas B. Hypothalamus C. Insulin D. Pituitary gland
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Hypothalamus
- Its forms the lower or ventral part of diencephalon. It lies at the base part thalamus.
- The hypothalamus contains a number of centre which control body temperature, urge for eating and drinking (Hunger and thirst).
- It also contains several group of neurosecretory cells, which secrete hormone called hypothalamic hormone.
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- A person forgets to eat breakfast one morning. How would this person's body respond to maintain blood sugar homeostasis? A. The pancreas would release insulin to signal the liver to release stored sugars. B. The pancreas would release glucagon to signal the liver to store blood sugars as glycogen. C. The pancreas would release insulin to signal the liver to store blood sugars as glycogen. D. The pancreas would release glucagon to signal the liver to release stored sugars.A scientist hypothesizes that the pancreas’s hormone production is controlled by neural stimuli. Which observation would support this hypothesis? a. Insulin is produced in response to sudden stress without a rise in blood glucose. b. Insulin is produced in response to a rise in glucagon levels. c. Beta cells express epinephrine receptors. d. Insulin is produced in response to a rise in blood glucose in the brain.What hormone is produced by beta cells of the pancreas? a. T3 b. glucagon c. insulin d. T4
- Which physiological trigger will result in the sensation of hunger? A. High glucose levels B. Eating a meal with a high satiety value C. Low glucose levels D. Release of the chemical messenger lepton and serotoninLeptin signaling helps to regulate the body’s energy needs by facilitating insulin signaling from the pancreas. If insulin is released in response to high blood glucose, which statement is most likely true? A. Leptin and insulin both increase appetite in the brain. B. Leptin and insulin both decrease appetite in the brain. C. Leptin increases and insulin decreases appetite in the brain. D. Leptin decreases and insulin increases appetite in the brain.What does increased levels of thyroxine trigger? a. increase thyroxine through positive feedback b. increase thyroxine through negative feedback c. decrease thyroid stimulating hormone (TSH) through negative feedback d. decrease thyroid stimulating hormone (TSH) through positive feedback
- The primary organ that regulates our hunger is? A. The liver B. The stomach C. The brainOn the cellular level, why is it necessary for us to eat food? A. Our stomachs get hungry B. Our intestines empty C. Our cells need glucose D. Our cells need oxygenWhy do humans need calcium? A. Humans don't need calcium. B. To build strong and large brains. C. To build strong bones and have a healthy immune system. D. To help us digest dairy.
- Blood samples from a young woman named Michelle indicate an elevated blood glucose level. This homeostatic imbalance is most likely caused by an insufficient amount of, or decreased sensitivity to, which hormone? a. growth hormone b. glucagon c. insulin d. cortisolWhat is the function of glucocorticoids? a. maintain Na+ levels b. develop the circadian rhythm c. lower calcium levels in the blood d. elevate blood glucose levels during periods of stress"You are what you eat" simply means? a. We only ear what we desire. b. We are healthy if we eat healthy foods c. Our nutritional status depends on the food we take in d. When we don't control what we eat, we become overweight