Exam (elaborations)
BIO 669- EXAM QUESTIONS AND ANSWERS
- Course
- Institution
BIO 669- EXAM QUESTIONS AND ANSWERS
[Show more]
Content preview
BIO 669- QUIZ QUESTIONS ANDANSWERS
How much of the body's water is intracellular? - Answer-2/3
How much of the body's water is extracellular? - Answer-1/3
Interstitial: 75%
Intravascular: 25%
Smaller amountsL sweat, urine, transcellular
Populations susceptible to dehydration: - Answer-Pediatric and geriatric
Net filtration - Answer-forces favoring filtration minus forces opposing filtration
Aquaporins - Answer-small pores in cells that allow for water transport across plasma
membrane
Solute - Answer-Electrolytes/proteins
Solvent - Answer-Water/plasms
Osmolarity - Answer-Concentration of osmotically active particles in solution
Osmolarity= # of particles (in solution) x concentration of particles
hyposmotic - Answer-Lower osmotic pressure
hyperosmotic - Answer-higher osmolarity
Osmosis - Answer-Movement specifically of water in one direction or other based on
high concentration of H2O or low concentration of H20
Isotonic - Answer-2 solutions with the same osmotic pressure
Colloid osmotic pressure - Answer-pressure created by protein in the blood
Reflection Coefficient - Answer-addresses the ability of a membrane to be permeated
by a solute on a scale of 0 to 1
0=fully permeable
1=impermeable
capillary hydrostatic pressure - Answer-facilitates the outward movement of water from
the capillary to the interstitial space
aka blood pressure
- A force that favors filtration
, Interstitial oncotic pressure - Answer-osmotically attracts water from the capillary into
the interstitial space
-Favors filtration
plasma oncotic pressure - Answer-osmotically attracts water from the interstitial space
into the capillary
-Water-pulling
Favors reabsorption
Interstitial hydrostatic pressure - Answer-facilitates the inward movement of water from
the interstitial space into the capillary
Favors reabsorption
Filtration - Answer-fluid movement out of the capillary and into the interstitial space
Reabsorption - Answer-fluid movement into the capillary from the interstitial space
Edema - Answer-Accumulation of fluid within the interstitial spaces
Papilledema - Answer-swelling of the optic nerve where it enters the retina
Baroreceptors - Answer-stretch receptors measure pressure placed on vessel walls
What part of the brain stimulates thirst - Answer-hypothalamus
What part of the brain secretes ADH - Answer-posterior pituitary
Normal chloride level - Answer-96-109
Normal Mag level - Answer-1.4-2.1
Normal phos level - Answer-3-4.5
When is renin released? - Answer-In response to decreased volume
What does aldosterone do? - Answer-Increases reaABSORPTION of sodium and
increases secretion of potassium
Natriuretic peptide - Answer-Causes sodium and water excretion
Sounds like diuretic
What are the signs and symptoms of hypernatremia? - Answer-Water moves from ICF
to ECF=cells shrink
Thirst, weight gain, bounding pulse, Increased BP
Muscle twitching, hyperreactive reflexes
Confusion, coma, convulsions, cerebral hemorrhage (4 C'S)
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 biggdreamer. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
75632 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now