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Physio Ex Lab Assigments, Lab Reports of Animal Anatomy and Physiology

Anatomy and physiology lab assignments

Typology: Lab Reports

2020/2021

Uploaded on 10/20/2022

jordan-lark
jordan-lark 🇺🇸

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1/20/22, 3:37 PM
PhysioEx Exercise 4 Activity 4
https://media.pearsoncmg.com/bc/bc_0media_ap/physioex/10/ex4/act4/
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PhysioEx Lab Report
Exercise 4: Endocrine System Physiology
Activity 4: Measuring Cortisol and Adrenocorticotropic Hormone
Name: Jordan Lark
Date: 20 January 2022
Session ID: session-5b9b11b1-53a6-acfc-b9f2-8e1c190b1ba9
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
pf3

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PhysioEx Lab Report

Exercise 4 : Endocrine System Physiology

Activity 4 : Measuring Cortisol and Adrenocorticotropic Hormone

Name: Jordan Lark

Date: 20 January 2022

Session ID: session-5b9b11b1-53a6-acfc-b9f2-8e1c190b1ba

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.

ACTH

You correctly answered: is a tropic hormone that stimulates cortisol release.

CRH

You correctly answered: has a tropic effect on the anterior pituitary gland.

Cushing's syndrome refers to

You correctly answered: a hypercortisolism, which could be iatrogenic.

A condition of hypocortisolism

You correctly answered: refers to low levels of cortisol in the blood.

Normally high levels of cortisol would inhibit release of

You correctly answered: both ACTH and CRH.

Which hormone(s) stimulate(s) the pituitary gland to release ACTH?

You correctly answered: CRH.

Patient Cortisol (mcg/dl)

High or low ACTH (pg/ml) High or low

1 2.33 Low 17.23 Low 2 35.72 High 14.24 Low 3 48.33 High 88.18 High 4 2.27 Low 103.44 High 5 50.61 High 17.95 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.

Under normal conditions, if the amount of secreted ACTH increases, then

You correctly answered: the amount of secreted CRH will likely decrease.

Under normal conditions, if the amount of secreted cortisol increases, then

You correctly answered: the amount of secreted ACTH will likely decrease.

If a hypersecreting pituitary tumor develops, then an expected outcome is

You correctly answered: a diagnosis of Cushing's disease.

If a hypersecreting adrenal cortex tumor develops, then an expected outcome is

You correctly answered: abnormally low levels of CRH due to negative feedback.