Homework Answers
Correct answer: option c
Rational:
1. Thyroid hormones regularly by hypothalamus.
2. Hypothalamus gives signal to anterior pituitary this a gland reached the target tissues through negative feedback mechanism.
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Regulation of thyroid hormones uses: Answers A D inactive T3 goiters a negative feedback system unbound T3 and T4
Describe the negative feedback loop for T3 and T4 in the HP-Thyroid axis. Must include the hormones and anatomical struc...
Describe the negative feedback loop for T3 and T4 in the HP-Thyroid axis. Must include the hormones and anatomical structures involved.
The patient has an autoimmune reaction which causes hypersecretion of thyroid hormone T3 and T4. This...
The
patient has an autoimmune reaction which causes hypersecretion of
thyroid hormone T3 and T4. This effects the secretion of other
hormones in this pathway due to?
Left:0:35:09 Younis Yusuf: Attempt 1 A patient has an autoimmune reaction which causes hypersecretion of thyroid hormones (T3 and T4). This affects the secretion of other hormones in this pathway due to: 1) antagonistic pathways 2) positive feedback 3) permissive effect 4) negative feedback Save 8 MacBook Pro
a) Considering the Case Study, what are T4 and T3? 1. T3 is a hormone produced...
a)
Considering the Case Study, what are T4 and
T3?
1. T3 is a hormone produced by the thyroid gland, and
T4 is the thyroid inhibitor produced by the
hypothalamus
2. both are hormones produced by the hypothalamus that stimulate
function of the thyroid gland
3. T4 is a hormone produced by the pituitary gland
that stimulates production of T3 by the thyroid
gland
4. both are hormones produced by the thyroid gland
b) why are TSH levels markedly decreased?...
6 In the condition hyperthyroidism, patients have elevated levels of both T3 and T4 due to...
6 In the condition hyperthyroidism, patients have elevated levels of both T3 and T4 due to a malfunction of the immune system that causes the thyroid gland to overproduce thyroid hormones. Do you think the negative feedback loops would lead to high levels of TSH or low levels of TSH? Explain. 16 90 In case 3 of Exercise 16-4 (p. 437), we saw that Professor Purple had insufficient antidiuretic hormone (ADH). However, the opposite condition can also occur in which...
Chapter 18 Objectives Identify the functions of the endocrine system. Identify the hormones of the anterior...
Chapter 18 Objectives Identify the functions of the endocrine system. Identify the hormones of the anterior pituitary (including the appropriate releasing factor), stimulating hormones, target hormones, and target tissues, including normal outcomes. List the hormones of the posterior pituitary and their actions. Discuss the effects of thyroid hormone (T3, T4) and the mechanisms of thyroid hormone regulation. Discuss the effects of parathyroid hormone and the mechanisms of parathyroid hormone regulation. Identify the hormones secreted by the alpha, beta, and delta...
Many of the body’s hormones are controlled by a negative and positive feedback system. Choose one...
Many of the body’s hormones are controlled by a negative and positive feedback system. Choose one of these hormones and discuss what this hormone controls, which gland secretes it, what causes it to be secreted and what turns off and on that secretion.
Describe the negative feedback system and the role of the hypothalamus,anterior pituitary and thyroid. Specifically mention...
Describe the negative feedback system and the role of the hypothalamus,anterior pituitary and thyroid. Specifically mention the role of TRH and TSH?
Negative feedback in hormone regulation involves the _____ turning off _____. Target organ hormone; hypothalamic secretion...
Negative feedback in hormone regulation involves the _____ turning off _____. Target organ hormone; hypothalamic secretion of releasing hormones Target organ hormone; the specific pituitary hormone Specific pituitary hormone; hypothalamic secretion of releasing hormones Hypothalamic secretion of releasing hormones; target organ hormone
c. diffusion d. an action potential Hormones in the bloodstream are degraded into inactive metabolites by...
c. diffusion d. an action potential Hormones in the bloodstream are degraded into inactive metabolites by enzymes in the: a. liver b.stomach C. gallbladder d. esophagus 20. The endocrine and systems are the two major systems responsible for the regulation of the organ systems of the body in order to maintain homeostasis. a. circulatory b. lymphatic c. musculoskeletal d. nervous 21. All of the following function to recognize a specific hormone and translate the hormone si into a cellular response...
Testosterone production in human males(s ) is best described by which statement? a. hormones synthesized by...
Testosterone production in human males(s ) is best described by which statement? a. hormones synthesized by the adrenal medulla are primarily androgens b production by the adrenal gland cortex is very low, as compared to sex hormone release from the gonads during and after late puberty С. inhibit on (of secretion) is highly dependent on a positive feedback loop in olving ACTH. d. the posterior pituitary gland secretes ADH that regulates the testes and testosterone e. both a and c...
The
patient has an autoimmune reaction which causes hypersecretion of
thyroid hormone T3 and T4. This effects the secretion of other
hormones in this pathway due to?
Left:0:35:09 Younis Yusuf: Attempt 1 A patient has an autoimmune reaction which causes hypersecretion of thyroid hormones (T3 and T4). This affects the secretion of other hormones in this pathway due to: 1) antagonistic pathways 2) positive feedback 3) permissive effect 4) negative feedback Save 8 MacBook Pro
a)
Considering the Case Study, what are T4 and
T3?
1. T3 is a hormone produced by the thyroid gland, and
T4 is the thyroid inhibitor produced by the
hypothalamus
2. both are hormones produced by the hypothalamus that stimulate
function of the thyroid gland
3. T4 is a hormone produced by the pituitary gland
that stimulates production of T3 by the thyroid
gland
4. both are hormones produced by the thyroid gland
b) why are TSH levels markedly decreased?...
6 In the condition hyperthyroidism, patients have elevated levels of both T3 and T4 due to a malfunction of the immune system that causes the thyroid gland to overproduce thyroid hormones. Do you think the negative feedback loops would lead to high levels of TSH or low levels of TSH? Explain. 16 90 In case 3 of Exercise 16-4 (p. 437), we saw that Professor Purple had insufficient antidiuretic hormone (ADH). However, the opposite condition can also occur in which...
c. diffusion d. an action potential Hormones in the bloodstream are degraded into inactive metabolites by enzymes in the: a. liver b.stomach C. gallbladder d. esophagus 20. The endocrine and systems are the two major systems responsible for the regulation of the organ systems of the body in order to maintain homeostasis. a. circulatory b. lymphatic c. musculoskeletal d. nervous 21. All of the following function to recognize a specific hormone and translate the hormone si into a cellular response...
Testosterone production in human males(s ) is best described by which statement? a. hormones synthesized by the adrenal medulla are primarily androgens b production by the adrenal gland cortex is very low, as compared to sex hormone release from the gonads during and after late puberty С. inhibit on (of secretion) is highly dependent on a positive feedback loop in olving ACTH. d. the posterior pituitary gland secretes ADH that regulates the testes and testosterone e. both a and c...
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