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BSC2085- Final Exam PBSC Questions and Answers $13.99   Add to cart

Exam (elaborations)

BSC2085- Final Exam PBSC Questions and Answers

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BSC2085- Final Exam PBSC

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  • October 14, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • PBSC
  • PBSC
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julianah420
BSC2085- Final Exam PBSC

Synthroid Joint - answer Joint with no movement

Ex: Suture

Diarthrosis Joint - answer Freely movable joint

synovial fluid functions - answer1. lubrication
2. nutrient distribution
3. shock absorption

opposition - answer Movement of the thumb to touch the fingertips

protraction - answer moving a body part forward

Ex: Jaw Bone

acetabular labrum - answer rim of fibrocartilage

Which muscle attaches to the radial tuberosity - answer biceps brachii

Radial Tuberosity contraction produces supination of ________________ and
______________ at the elbow - answer Supination, Flexion

6 knee joint supporting structures - answer1. Quadricep Tendon
2. Lateral Collateral Ligament
3. Medial Collateral Ligament
4. Popliteal Ligament
5. Medial and Lateral Menisci
6. Intracapsular Ligament

What happens when articular cartilage is damaged? - answerRough, bristly collagen
fibers on the surface
increase in amount of friction
further damage caused

Where are blood vessels and nerves found? - answerPerimysium

Epimysium - answerincircles entire muscle belly

Endomysium - answergoes around each individual muscle fiber

, Tendons are made up of what? - answerEpimysium, perimysium, endomysium

Penninate muscle - answerFibers at an angle

convergent muscle - answerpulls in different directions; each muscle fiber contracts by
30%

myoblasts - answerembryonic cells

multinucleate - answerimportant for protein production

sarcomeres - answerrepeating contractile functional unity

Z line - answerA dark thin protein band to which actin filaments are attached in a
striated muscle fiber, marking the boundaries between adjacent sarcomeres.

M line - answersupporting proteins that hold the thick filaments together in the H zone

I band - answerthin filaments only

A Band - answerthick and thin filaments

H band - answerthick filaments only

sarcoplasmic reticulum - answerstores and releases calcium

thin filaments - answerattach to z line

titin - answerelastic protein; recoils and responsible for elasticity

sliding filament theory - answerexplanation of how muscles contract

NA+ - answeroutside cell

K+ - answerinside cell

Which channels are open during repolarization? - answervoltage gated K+ channels

Action potential propagation - answerpropagated along plasma membrane
generated in less than 2 milliseconds
travels in one direction
happens in neurons and skeletal muscle

What happens without Acetycholine (ACh) - answerFlaccid paralysis

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