Hormones and Signal Transduction: Introduction
Über den Vortrag
Der Vortrag „Hormones and Signal Transduction: Introduction“ von Kevin Ahern, PhD ist Bestandteil des Kurses „Introduction to medicine (Ethiopia National Curriculum / Year II)“. Der Vortrag ist dabei in folgende Kapitel unterteilt:
- Hormones and Signal Transduction
- Hormones
Quiz zum Vortrag
Which statement regarding hormones is true?
- They are the first messengers of a multi-component signal.
- They all cross the lipid bilayer by themselves.
- They work in the region of the body where they are made.
- They can diffuse through the blood-brain barrier.
- They are all regulated by the pituitary gland.
Which statement about steroid hormones is true?
- They cross the cell membrane and bind to intracellular receptors to exert their effects.
- They bind to the cell membrane receptors to convey their message to the interior of the cell.
- They need a carrier molecule for their transfer from the site of origin to the nuclear membrane.
- They directly bind to the surface of the red blood cells for their transfer to their site of action.
- They stimulate the secondary messenger molecules circulating in the blood plasma.
Which statement regarding adrenaline is correct?
- It plays an important role in the fight-or-flight response.
- It leads to increased blood flow to the brain and a drop in blood sugar levels.
- It is produced by the heart cells in response to danger.
- It stimulates the intestinal tract to release the enzymes for the breakdown of fats.
What is T3?
- A thyroid hormone, known as triiodothyronine that affects almost every physiological process in the human body.
- An adrenal hormone that plays an important role in the fight-or-flight response.
- A liver hormone that plays an important role in the secretion of enzymes in the intestinal tract.
- Sex hormones that control the morphological changes in adult humans.
- A substance, important in the production of thyroid-stimulating hormone from the anterior pituitary gland.
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Dozent des Vortrages Hormones and Signal Transduction: Introduction
Kevin Ahern, PhD
Dr. Kevin Ahern is a Professor in the Department of Biochemistry and Biophysics at Oregon State University (OSU), USA.
He obtained his PhD in Biochemistry from Oregon State University. Currently, he teaches courses for health sciences students at OSU.
He is co-author of three Open Educational electronic textbooks on Biochemistry and a Guide to Getting Into Medical School.
Due to his achievements, he earned OSU’s highest teaching recognition, the Elizabeth P. Ritchie Distinguished Professor Award in 2017.
Within Lecturio, Dr. Ahern teaches courses on Biochemistry and on "How to Get into Medical School”.
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it was perfect and describe a part of endocrine system very well.
