100% satisfaction guarantee Immediately available after payment Both online and in PDF No strings attached
logo-home
BMSC 207 Midterm Exam Study Guide | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | 100% Pass $13.48   Add to cart

Exam (elaborations)

BMSC 207 Midterm Exam Study Guide | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | 100% Pass

 2 views  0 purchase
  • Course
  • BMSC 207
  • Institution
  • BMSC 207

BMSC 207 Midterm Exam Study Guide | Questions & Answers (100 %Score) Latest Updated 2024/2025 Comprehensive Questions A+ Graded Answers | 100% Pass

Preview 3 out of 23  pages

  • August 2, 2024
  • 23
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BMSC 207
  • BMSC 207
avatar-seller
VasilyKichigin
BMSC 207 Midterm Exam Study Guide | Questions & Answers (100 %Score) Latest
Updated 2024/2025 Comprehensive Questions A+ Graded Answers | 100% Pass


Physiology - ✔️✔️the study of the normal functioning of a living organism



Physiology is an ____________ science - ✔️✔️Integrative



Cells - ✔️✔️smallest unit of structure carrying out life processes



Tissue - ✔️✔️collection of cells carrying out related functions



Organ - ✔️✔️formation of tissues into a structural and functional group



Organ system - ✔️✔️integrated groups of organs



Teleological approach - ✔️✔️- the Function or "Why"

- why do RBC transport oxygen



Mechanismistic approach - ✔️✔️The "How"

- how do red blood cells transport oxygen

- the focus of physiology



Homestasis - ✔️✔️maintain a relatively stable internal environment

- coined in 1929 by Walter cannon



Extracellular fluid (ECF) - ✔️✔️fluid surrounding cells

- buffer between external environment and the cell

,Law of Mass balance - ✔️✔️If substance in the body is gained, it must be offset by an equal loss



Homeostasis does not mean - ✔️✔️Equilibrium



ECF components - ✔️✔️High Na+, High Cl-, very low K+

- blood plasma, interstitial fluid



ICF components - ✔️✔️very low Na+ and Cl- but high K+

- smooth muscle, fat cell, ovum



Local Control - ✔️✔️- input signal, integrating center, input signal and response are all in the same area



Reflex Control - ✔️✔️widespread changes in the body like BP

- separated into response loop and feedback loop



Reflex control steps - ✔️✔️Stimulus, Sensor, Input Signal, Integrating center, output signal, target,
response



Negative feedback loop - ✔️✔️- response opposes or removes the stimulus signal

- glucose in blood removed by insulin



Positive feedback loop - ✔️✔️- Not homeostatic

- reinforce a stimulus rather than removing it

- outside factor is required to shut off loop

- Baby pregnancy



Feedforward control - ✔️✔️- predicts a change thats about to occur

- increased heart rate before going to gym

, Functions of cell membrane - ✔️✔️- physical isolation - - regulation of exchange with the environment

- sensitivity to the environment

- structural support



Cell membrane composition - ✔️✔️55% proteins

45% lipids

- small amount carbohydrates

- not all membranes are created equally



Three types of lipids in the cell membrane - ✔️✔️- Phospholipids

- sphingolipids

- cholesterol



Phospholipids can arrange themselves as - ✔️✔️bilayer, Micelles (ball) or liposomes (ball with aqueous
centre)



Fluid mosaic model - ✔️✔️current cell membrane model, proteins dispersed, extracellular surface
contains glycol lipids and proteins



Integral proteins - ✔️✔️- transmembrane proteins, lipid anchor proteins (GPI anchor; sugar-phosphate
chain)



Integral protein functions - ✔️✔️membrane receptors, cell adhesion, transmembrane movement

- enzymes

- mediators of intracellular signalling



Peripheral proteins - ✔️✔️attach to integral proteins or loosely attached to phospholipid head

The benefits of buying summaries with Stuvia:

Guaranteed quality through customer reviews

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

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

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 VasilyKichigin. Stuvia facilitates payment to the seller.

Will I be stuck with a subscription?

No, you only buy these notes for $13.48. You're not tied to anything after your purchase.

Can Stuvia be trusted?

4.6 stars on Google & Trustpilot (+1000 reviews)

75759 documents were sold in the last 30 days

Founded in 2010, the go-to place to buy study notes for 14 years now

Start selling
$13.48
  • (0)
  Add to cart