PhysioEx Exercise 4 Activity 4

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Moorpark College *

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M01

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Chemistry

Date

Dec 6, 2023

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pdf

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3

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11/26/23, 9:59 PM PhysioEx Exercise 4 Activity 4 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex4/act4/ 1/3 PhysioEx Lab Report Exercise 4: Endocrine System Physiology Activity 4: Measuring Cortisol and Adrenocorticotropic Hormone Name: Jonathan Ascencio Date: 26 November 2023 Session ID: session-71dae61c-6984-766c-ad28-63f23e851a76 Pre-lab Quiz Results You scored 100% by answering 5 out of 5 questions correctly. Experiment Results Predict Questions No Predict Questions Stop & Think Questions Experiment Data Cortisol You correctly answered: is a hormone important in the body's response to stress. 1 ACTH You correctly answered: is a tropic hormone that stimulates cortisol release. 2 CRH You correctly answered: has a tropic effect on the anterior pituitary gland. 3 Cushing's syndrome refers to You correctly answered: a hypercortisolism, which could be iatrogenic. 4 A condition of hypocortisolism You correctly answered: refers to low levels of cortisol in the blood. 5 Normally high levels of cortisol would inhibit release of You correctly answered: both ACTH and CRH. 1 Which hormone(s) stimulate(s) the pituitary gland to release ACTH? You correctly answered: CRH. 2
11/26/23, 9:59 PM PhysioEx Exercise 4 Activity 4 https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex4/act4/ 2/3 Patient Cortisol (mcg/dl) High or low ACTH (pg/ml) High or low 1 2.52 Low 16.90 Low 2 35.61 High 13.38 Low 3 45.14 High 91.00 High 4 3.80 Low 100.75 High 5 45.87 High 19.26 Low Table 4.1 Cortisol and ACTH Disorders Cortisol Level ACTH Level Cushing's syndrome (primary hypercortisolism) High Low latrogenic Cushing's syndrome High Low Cushing's disease (secondary hypercortisolism) High High Addision's disease (primary adrenal insufficiency) Low High Secondary adrenal insufficiency (hypopituitarism) Low Low Post-lab Quiz Results You scored 100% by answering 6 out of 6 questions correctly. Under normal conditions, if the amount of secreted CRH increases, then You correctly answered: the amount of secreted ACTH will increase. 1 Under normal conditions, if the amount of secreted ACTH increases, then You correctly answered: the amount of secreted CRH will likely decrease. 2 Under normal conditions, if the amount of secreted cortisol increases, then You correctly answered: the amount of secreted ACTH will likely decrease. 3 If a hypersecreting pituitary tumor develops, then an expected outcome is You correctly answered: a diagnosis of Cushing's disease. 4 If a hypersecreting adrenal cortex tumor develops, then an expected outcome is You correctly answered: abnormally low levels of CRH due to negative feedback. 5
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