Exam (elaborations)
Bio 270 Hynd Final Exam with Complete Solutions
- Course
- Institution
Bio 270 Hynd Final Exam with Complete Solutions
[Show more]
Content preview
Bio 270 Hynd Final Exam with Complete SolutionsWhat type of tissue is the anterior pituitary made of? Correct Ans-Glandular tissue
What type of tissue is the posterior pituitary made of? Correct Ans-Neural tissue
ADH is a (anterior/posterior) pituitary hormone that does what? Correct Ans-Posterior
Pituitary
-Conserves water during urine formation
-Causes contraction of arteriolar smooth muscle
-Release controlled by hypothalamic
osmoreceptors
Oxytocin is a (anterior/posterior) pituitary hormone that does what? Correct Ans-Anterior
Pituitary
-Stimulates contraction of uterine smooth muscle
-Stimulates milk ejection from mammary glands
, Bio 270 Hynd Final Exam with Complete Solutions
-Other maternal behaviors
Regulation of secretion of anterior pituitary hormones controlled by
_______________________ hormones released from __________________ cells of
hypothalamus Correct Ans-hypophysiotropic, neurosecretory
The neurosecretory cells are longer in the (anterior/posterior) pituitary? Correct Ans-
posterior
Posterior pituitary hormones are synthesized ____________ and stored ___________.
Correct Ans-synthesized in the hypothalamus, and stored in the posterior pituitary
Fetal growth stimulated by ... Correct Ans-hormones from placenta
GH's non tropic function: Correct Ans-Metabolic
-Binds directly to adipose tissue to breakdown triglycerides into fatty acids & use of liberated
fatty acids as an energy source
-Conserves glucose for glucose-dependent tissues (brain)
-Increases blood [glucose] by decreasing uptake by muscles
, Bio 270 Hynd Final Exam with Complete Solutions
How does GH affect soft tissue? Correct Ans-increases # of cells, and increasing size of cells
Osteoporosis makes the Vertebral column vulnerable to Correct Ans-compression fractures
Osteoporosis makes the Femoral neck vulnerable to Correct Ans-displaced stress fractures
Osteoclasts dissolve bone on (inner/outer) surface to enlarge marrow cavity Correct Ans-
inner
Stimulus of GH secretion: Correct Ans-Exercise, stress, fasting, low plasma glucose, sleep
GH deficiency. Correct Ans-Due to:
Pituitary defect (↓ GH)
Abnormal GH receptors in liver that are unresponsive to GH (↓ IGF-1)
Hypothalamic dysfunction (↓ GHRH) (Secondary hyposecretion)
Insulin on GH Correct Ans-Stimulates postnatal growth by stimulating secretion of IGF-1
, Bio 270 Hynd Final Exam with Complete Solutions
Hyperinsulinism often spurs excessive growth
-May interact with IGF-1 receptor (IGF-1 agonist)
Role of Estrogen on growth Correct Ans--Stimulates secretion of GH and IGF-1 at puberty
-Stimulate closure of epiphyseal plates
Role of Testosterone on growth Correct Ans--Stimulates secretion of GH and IGF-1 at
puberty
-Testicular testosterone responsible for heavier male musculature (protein synthesis)
-Stimulate closure of epiphyseal plates
Role of Thyroid hormone on growth Correct Ans-Required for the synthesis of GH
Growth severely stunted in hypothyroid children (slowed bone growth)
Hypersecretion does not cause excessive growth
Role of Insulin on growth Correct Ans-Stimulates fetal growth
Stimulates postnatal growth by stimulating secretion of IGF-1
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 TheeGrades. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
77254 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now