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Exam (elaborations)

BIOS 252: Practice Questions and Correct Answers

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  • BIOS 252

How many spinal cord enlargements correspond to regions where nerves that innervate the limbs emerge? Two Three One Four Five ~ Two A bundle of spinal nerves and nerve roots that extend from the end of the spinal cord, typically at the level of the first or second lumbar vertebra, down t...

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  • August 11, 2024
  • 12
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIOS 252
  • BIOS 252
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ExamArsenal
BIOS 252: Practice Questions and
Correct Answers
What lever class has the fulcrum situated between the force and the load?




Fourth-class lever

Third-class lever

First-class lever

Fifth-class lever

Second-class lever

✓✓~ First-class lever




Which of the following helps an agonist work?




A fixator

An insertion

An antagonist

Prime mover

A synergist

✓✓~ A synergist

, Which of the following is a prime mover in head flexion?




Deltoid

Sternocleidomastoid

Corrugator supercilii

Masseter

Occipitofrontalis

✓✓~ Sternocleidomastoid




Which element is important in directly triggering contraction?




Calcium (Ca++)

Sodium (Na+)

Potassium (K+)

Chloride (Cl-)

Proteins

✓✓~ Calcium (Ca++)




Thin and thick filaments are organized into functional units called




sarcolemma

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