CRH secretion would not raise the blood concentration of a. ACTH. b. thyroxine. c. cortisol. d. corticosterone. e. glucose.

Question

Want to see more full solutions like this?

Answer 1

Textbook Question

Chapter 17, Problem 1TYR

CRH secretion would not raise the blood concentration of

a. ACTH.
b. thyroxine.
c. cortisol.
d. corticosterone.
e. glucose.

Expert Solution & Answer

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.

Conclusion

CRH raises the concentration of ACTH, cortisol, corticosterone, and glucose in the blood, but not thyroxine.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Students have asked these similar questions

A sample of blood was taken from the above individual and prepared for haemoglobin analysis. However, when water was added the cells did not lyse and looked normal in size and shape. The technician suspected that they had may have made an error in the protocol – what is the most likely explanation? The cell membranes are more resistant than normal. An isotonic solution had been added instead of water. A solution of 0.1 M NaCl had been added instead of water. Not enough water had been added to the red blood cell pellet. The man had sickle-cell anaemia.

With reference to their absorption spectra of the oxy haemoglobin intact line) and deoxyhemoglobin (broken line) shown in Figure 2 below, how would you best explain the reason why there are differences in the major peaks of the spectra? Figure 2. SPECTRA OF OXYGENATED AND DEOXYGENATED HAEMOGLOBIN OBTAINED WITH THE RECORDING SPECTROPHOTOMETER 1.4 Abs < 0.8 06 0.4 400 420 440 460 480 500 520 540 560 580 600 nm 1. The difference in the spectra is due to a pH change in the deoxy-haemoglobin due to uptake of CO2- 2. There is more oxygen-carrying plasma in the oxy-haemoglobin sample. 3. The change in Mr due to oxygen binding causes the oxy haemoglobin to have a higher absorbance peak. 4. Oxy-haemoglobin is contaminated by carbaminohemoglobin, and therefore has a higher absorbance peak 5. Oxy-haemoglobin absorbs more light of blue wavelengths and less of red wavelengths than deoxy-haemoglobin

Answer 2

Textbook Question

Chapter 17, Problem 1TYR

CRH secretion would not raise the blood concentration of

a. ACTH.
b. thyroxine.
c. cortisol.
d. corticosterone.
e. glucose.

Expert Solution & Answer

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.

Conclusion

CRH raises the concentration of ACTH, cortisol, corticosterone, and glucose in the blood, but not thyroxine.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 17, Problem 1TYR

CRH secretion would not raise the blood concentration of

a. ACTH.
b. thyroxine.
c. cortisol.
d. corticosterone.
e. glucose.

Expert Solution & Answer

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.

Conclusion

CRH raises the concentration of ACTH, cortisol, corticosterone, and glucose in the blood, but not thyroxine.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 17, Problem 1TYR

CRH secretion would not raise the blood concentration of

a. ACTH.
b. thyroxine.
c. cortisol.
d. corticosterone.
e. glucose.

Expert Solution & Answer

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.

Conclusion

CRH raises the concentration of ACTH, cortisol, corticosterone, and glucose in the blood, but not thyroxine.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.

Conclusion

CRH raises the concentration of ACTH, cortisol, corticosterone, and glucose in the blood, but not thyroxine.

Answer 8

Expert Solution & Answer

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.

Conclusion

CRH raises the concentration of ACTH, cortisol, corticosterone, and glucose in the blood, but not thyroxine.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Summary Introduction

Introduction:

The hypothalamus synthesizes the releasing hormones and inhibitory hormones which control secretion or inhibition of hormones by the anterior pituitary. The hypothalamus secretes six hormones namely thyrotropin-releasing hormone (TRH), gonadotropin-releasing hormone (GnRH), prolactin-inhibiting hormone (PIH), corticotropin-releasing hormone (CRH), growth hormone–releasing hormone (GHRH), and somatostatin. These hormones regulate the synthesis of pituitary hormones (FSH, LH, TSH, ACTH, prolactin, and GH). The pituitary hormones control other endocrine glands.

Answer 12

Answer to Problem 1TYR

Correct answer:

Corticotropin-releasing hormone (CRH) secreted by the hypothalamus would not raise the thyroxine concentration in the blood. Thyrotropin-releasing hormone (TRH) from the hypothalamus promotes the release of thyroxine from the thyroid gland. Therefore, option b is correct.

Answer 13

Explanation of Solution

Justify reasons for the correct statement:

The thyroid follicular cells secrete thyroid hormones (TH) such as triiodothyronine (T3) and thyroxine (T4). The thyroid gland releases TH into the bloodstream. The secretion of thyroxine is not influenced by the CRH.

Option (b) is given as “thyroxine”.

CRH does not raise the thyroxine concentration in the blood.

Hence, option (b) is correct.

Justify reasons for the incorrect statements:

Option (a) is given as “ACTH”.

The hypothalamus releases the CRH, which stimulates the anterior pituitary to secrete adrenocorticotropic hormone (ACTH). Hence, it is a wrong answer.

Option (c) is given as “cortisol”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release of cortisol (glucocorticoids). Hence, it is a wrong answer.

Option (d) is given as “corticosterone”.

CRH stimulates ACTH secretion by the anterior pituitary. ACTH promotes the adrenal cortex to release the corticosterone (glucocorticoids). Hence, it is a wrong answer.

Option (e) is given as “glucose”.

The hypothalamus secretes the CRH that stimulates the release of ACTH by the anterior pituitary. ACTH stimulates the adrenal cortex to secrete cortisol and corticosterone (glucocorticoids). Cortisol and corticosterone stimulate the catabolism of fat and protein and promote gluconeogenesis. Thereby, they increase glucose concentration into the blood. Hence, it is a wrong answer.

Hence, options (a), (c), (d), and (e) are incorrect.