Endocrine system 4, Homeostasis acheived by negative feedback

Thyroid stimulating hormone (TSH) is produced by the;
a. Thyroid gland
b. Parathyroid glands
c. Anterior lobe of the pituitary gland
d. Adrenal cortex
Increasing levels of thyroid hormone in the blood will;
c. Stimulate release of thyroid stimulating hormone from the anterior pituitary gland
b. Inhibit release of thyroid stimulating hormone from the anterior pituitary gland *
c. Have no effect on the release of thyroid stimulating hormone from the anterior pituitary gland
d. Inhibit release of antidiuretic hormone from the posterior pituitary gland
Releasing hormones are produced by the;
a. Hypothalamus *
b. Anterior pituitary
c. Posterior pituitary
d. Thyroid gland
Excess cortisol in the blood will lead to;
a. Diabetes mellitus (type 1)
b. Addison’s’ disease
c. Cushing’s disease *
d. Thrombocytopenia
Reduced cortisol in the blood will lead to;
a. Diabetes mellitus (type 1)
b. Addison’s’ disease *
c. Cushing’s disease
d. Thrombocytopenia
Thyrotoxicosis would lead to
a. Hypercholesterolaemia
b. Subcutaneous oedema
c. Weight loss *
d. Weigh gain
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[@IdaAxoxo]

Best explanation I've heard. Thank you so much Dr. Campbell!

[@MiLife101]

Nursing student here! REALLY GOOD VIDEO THANK YOU HELPING ME 😭😭😭

[@leenaghaeb4747]

I was totally confused! This video is life saving. Thank you SO much!

[@threefattyacids8204]

His explanations are simple, the absolute best.

[@davidhersey1577]

Great work Dr. Campbell

[@Angel-xg7vy]

Thank you! I’m currently working on a grade 12 biology infographics assignment and this helped me a bunch!

[@aaryan2061]

Damn I'm studying this in 10th

[@jhel1629]

Explains it way better than my professor, thank you!

[@SaoriGatsu]

Thank you for such a lovely explanation, this was super helpful!

[@matthanley8922]

Broke that down so easy, thank you for your help doctor

[@aaushichauhan1414]

very amazing explanation and pronunciation . writing is very nice

[@hannahwoodward2180]

This really helped me to understand how to answer what was previously a tricky assignment question. Thankyou so much

[@janniebaltzer5217]

LOVE your videos....Thank you so much for your work

[@israakareem9210]

Love your video, your help and time are highly appreciated🙏

[@cristinanicolae3143]

Thank you! I am revising for my exam and I find this very helpful.

[@sifatrahman1201]

This video helps me to understand this complex thing at once

[@hannahwilliams7464]

Thank you for explaining so well and connecting The dots :)

[@colettemaria1]

Thank you!! I completely understand it now :)

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The best explanation ever!!!

[@makerpeter8827]

Incredible explanation

[@rossispearsshinoda]

thank you so much, this is so easy to understand. the best explanation

[@clroofing8424]

Well done- clear as ever!!! I get it now !

[@geojor]

all good stuff, thanks...

[@jamilahardy881]

Thank you for this video, it was very helpful!

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very well explained. much love from Kurdistan

[@Hazel00..23]

👍 From kurdistan too. I am in 12 grade and I am preparing for ministry exam.

[@embr4255]

Great lecture

[@creativeexploring8473]

thanks sir for better knowledge. 🙏🙏

[@user-ye3xz7ls6p]

Omg your the best thank you 💜

[@fatimasouare9846]

This is very helpful thanks

[@shreemathejayakumar6226]

Tq dr john it helped me a lot

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Good!!! I wish I could see you face to face Doctor

[@newcreation4188]

Good video. Thanks.

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Great video

[@khalko1234]

very helpful thank you

[@laurieadam6543]

Thank you!

[@isaackogan269]

AMAZING!

[@jaydamorgaan7703]

good job

[@DevSharma-lg9gv]

Sir do u have any explanation video on positive feedback like this one?? Please reply 🙏

[@khawlah7330]

Thanks

[@afd5826]

عشت دكتور

[@user-mu1bj6gf6c]

Sir, which resource do you refer to?

[@alaahamza6176]

Good ❤️😍

[@anthony7737]

Hello Dr. Could you please help me out? If i have a Am and Pm Cortisol Test and I sleep for 2-3 hours after the Am test, would that affect the Pm test results? Thank you for any help you could offer.

[@stevencool9657]

thank youu my gee

[@exy8423]

thanks

[@nooral7073]

thank you 😭😭😭😭😭💘💘💘

[@user-ph2nq1ut2r]

Nice explanation All the hormones have negative feedback??

[@Hazel00..23]

All hormone doesnot have negative feedback mechanism for example PRL(prolactin) & GH(growth hormone) instead of negative feedback mechanism they inhibited by releasing inhibiting hormone(RIH) from hypothalamus.

[@dr.yuvarajanpalanisamy9805]

Nice and thanks.is there any positive feed back mechanism in endocrine glands? Sir

[@Campbellteaching]

Yes, have you watched the video on the menstural cycle?

[@dr.yuvarajanpalanisamy9805]

Thank you sir I haven't watched yet I will see sir.

[@slowdive4907]

What’s the name of your pen plz 😢

[@breaunpollard2122]

I thought TSH was part of the posterior lobe? Am I wrong?

[@Hazel00..23]

TSH(Thyroid-stimulating hormone) is a hormone produced and secreted by anterior pituitary under the effect of TRH(thyrotropin releasing hormone) from hypothalamus.

[@gulikaay9485]

Love your videos but why use that pen:(

[@dr.arvindkumar8654]

Really very nice vedio

[@rodneyrolle1567]

nice pen

[@thaddeusderbyshire4238]

Adrenocorticotropic=ACTH There is no H in that word. Other than that nice explanation.

[@Campbellteaching]

the H stands for hormone

[@santhoshhr9162]

Sir which book is the best choice for study Pathophysiology for B Pharm