Your dairy cow is exhibiting signs of milk fever. She is experiencing a loss of
ID: 3474435 • Letter: Y
Question
Your dairy cow is exhibiting signs of milk fever. She is experiencing a loss of calcium in her blood, which stimulates her parathyroid glands to secrete parathyroid hormone (PTH). PTH release results in rising levels of her blood calcium. What type of stimuli is being described here? A bear runs into the classroom triggering your flight or fight response causing your anterior pituitary to release high levels of adrenocorticotropic (ACTH) hormone. What type of stimuli is being described here? The hypothalamus produces a hormone that stimulates the anterior pituitary to release Thyroid-Stimulating hormone (TSH), which then causes the thyroid to produce hormones T3 and T4. What type of stimuli is being described here?Explanation / Answer
A. It is called humoral stimulus which happens by hormone release in response to changes in extracellular fluids such as ion concentration the blood.
B. It is called as neural stimuli where the nervous system directly stimulates the endocrine glands to release hormones. It happens in short-term stress response where the hormones epinephrine and norepinephrine provides a burst of energy for the body to respond.
C. It is called as hormonal stimuli where the release of a hormone in response to another hormone happens. A number of endocrine glands release hormones when stimulated by hormones released by other endocrine glands. The anterior pituitary releases TSH which then stimulated thyroid to produce T3 and T4 hormones into the blood.
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