Memmler Ch. 12 Exam Questions Verified Correct Answers
Endocrine system - Answers - consists of a group of glands that produces hormones
-works with the nervous system
Hormones - Answers - -regulatory chemicals
-chemical messengers that have specific regulatory effects on certain cells or o...
Memmler Ch. 12 Exam Questions
Verified Correct Answers
Endocrine system - Answers -✔✔ consists of a group of glands that produces
hormones
-works with the nervous system
Hormones - Answers -✔✔ -regulatory chemicals
-chemical messengers that have specific regulatory effects on certain cells or organs
-are released directly into surrounding tissue fluids and diffuse into the blood stream
Target tissue - Answers -✔✔ the specific tissue acted on by each hormone
Receptors - Answers -✔✔ are in the cells that make up target tissue
-are in the PM or within the cytoplasm to which the hormone attaches
Amino acid compounds - Answers -✔✔ these hormones are proteins or related
compoinds also made of amino acids
-includes all hormones except those in the adrenal cortex and the sex glands
Steroids - Answers -✔✔ hormones derived from the steroid cholesterol, a type of lipid
-Are produced by the adrenal cortex and the sex glands
Pituitary - Answers -✔✔ -a gland about the size of a cherry
-located in a saddle-like depression of the sphenoid bone, just posterior to the point
where the optic nerves cross
-is mostly surrounded by bone
-connects to the hypothalamus with the infundibulum stalk
-has an anterior and posterior lobes
Anterior lobe of the pituitary - Answers -✔✔ is a true endocrine gland, composed of
epithelial tissue
-its cells are controlled by releasing hormones produced in the hypothalamus
Posterior lobe of the pituitary - Answers -✔✔ -is not a true endocrine gland
-has axons and axon terminals of neurons that originate in the hypothalamus
-2 hormones: antidiuretic hormone and oxytocin, which are produced in the
hypothalamus and stored here
Andidiuretic hormone (ADH) - Answers -✔✔ -promotes the reabsorption of water form
the kidney tubules and thus decreases water excretion
-a large amount causes contraction of smooth muscle in BV walls and raises blood
pressure
, -an inadequate amount causes excessive water loss
Diabetes insipidus - Answers -✔✔ -results from inadequate amounts of ADH and has
excessive water loss
Oxytocin - Answers -✔✔ causes uterine contractions and triggers milk ejection from the
breasts
Growth hormone - Answers -✔✔ -Hypersecretion: gigantism (children), Acromegaly
(adults)
-Hyposecretion: dwarfism (children)
-aka somatotropin
-acts directly on most body tissues, promoting protein manufacture that is essential for
growth
Releasing hormones - Answers -✔✔ -secretions that control the hormone-producing
cells of the anterior pituitary
-travel to the anterior pituitary via the portal system
Thyroid-stimulating hormone (TSH) - Answers -✔✔ -thyrotropin
-stimulates the thyroid gland to produce thyroid hormones
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Stuviaascorers. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $10.99. You're not tied to anything after your purchase.
