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Homework answers / question archive / New Mexico State University BIO 226 PhysioEx Lab Report Exercise 4: Endocrine System Physiology Activity 4: Measuring Cortisol and Adrenocorticotropic Hormone Date: 1 September 2019 Pre-lab Quiz Results   1)Cortisol____________   ACTH___________   CRH__________   Cushing's syndrome refers to___________   A condition of hypocortisolism_____________   Experiment Results Predict Questions Stop & Think Questions Normally high levels of cortisol would inhibit release of Which hormone(s) stimulate(s) the pituitary gland to release ACTH?   Experiment Data     Patient Cortisol (mcg/dl) High or low ACTH (pg/ml) High or low 1 3

New Mexico State University BIO 226 PhysioEx Lab Report Exercise 4: Endocrine System Physiology Activity 4: Measuring Cortisol and Adrenocorticotropic Hormone Date: 1 September 2019 Pre-lab Quiz Results   1)Cortisol____________   ACTH___________   CRH__________   Cushing's syndrome refers to___________   A condition of hypocortisolism_____________   Experiment Results Predict Questions Stop & Think Questions Normally high levels of cortisol would inhibit release of Which hormone(s) stimulate(s) the pituitary gland to release ACTH?   Experiment Data     Patient Cortisol (mcg/dl) High or low ACTH (pg/ml) High or low 1 3

Biology

New Mexico State University

BIO 226

PhysioEx Lab Report

Exercise 4: Endocrine System Physiology

Activity 4: Measuring Cortisol and Adrenocorticotropic Hormone

Date: 1 September 2019

Pre-lab Quiz Results

 

1)Cortisol____________

 

  1. ACTH___________

 

  1. CRH__________

 

  1. Cushing's syndrome refers to___________

 

  1. A condition of hypocortisolism_____________

 

Experiment Results

Predict Questions

Stop & Think Questions

  1. Normally high levels of cortisol would inhibit release of
  2. Which hormone(s) stimulate(s) the pituitary gland to release ACTH?

 

Experiment Data

 

 

Patient

Cortisol (mcg/dl)

High or low

ACTH (pg/ml)

High or low

1

3.83

Low

18.23

Low

2

33.21

High

14.48

Low

3

43.64

High

85.93

High

4

2.84

Low

103.87

High

5

54.61

High

19.70

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 insu?ciency)

Low

High

Secondary adrenal insu?ciency (hypopituitarism)

Low

Low

 

Post-lab Quiz Results

You scored 100% by answering 6 out of 6 questions correctly.

 

  1. Under normal conditions, if the amount of secreted CRH increases, then
  2. Under normal conditions, if the amount of secreted ACTH increases, then
  3. Under normal conditions, if the amount of secreted cortisol increases, then
  4. If a hypersecreting pituitary tumor develops, then an expected outcome is
  5. If a hypersecreting adrenal cortex tumor develops, then an expected outcome is
  6. A patient's chart lists the diagnosis of Addison's disease. Therefore, you expect

 

 

Review Sheet Results

  1. Which patient would most likely be diagnosed with Cushing's disease (view Table 4.1 in Experiment Results)? Why?
  2. Which two patients have hormone levels characteristic of Cushing's syndrome (view Table

4.1 in Experiment Results)?

  1. Patient 2 is being treated for rheumatoid arthritis with prednisone. How does this information change the diagnosis (view Table 4.1 in Experiment Results)?
  2. Which patient would most likely be diagnosed with Addison's disease (view Table 4.1 in Experiment Results)? Why?

 

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