Exam 2 review

Which of the cells secrete myelin in CNS?

• Neuroblast

• Obligodendrocytes

• Schwann cells

• interneurons

Which of the following wraps fascicles of axon?

• endoneurium

• perineurium

• epineurium

Which of the following neuron has their cell body hanging out of the axon in the middle

• Unipolar

• Bipolar

• Multipolar

Which type of neuron send impulses to CNS?

• Sensory

• Motor

• Interneurons

Which of the following is the first step for sliding filament mechanism?

• Depolarization of axon terminal

• increase the level of calcium in the cytoplasm

• myosin head powerstroke

• thin filament moves towards the center

What stores calcium in the sarcomere?

• Sarcoplasmic reticulum

• myofibril

• motor neurons

• axon terminal

Which of the following type of fiber can be found in lower limb like quads and hamstrings?

• Fast oxidative

• Slow Oxidative

• Fast Glycolytic

• Slow glycolytic

What arrangement of muscles act as sphincter, for example pyloric sphincter?

• Circular

• Convergent

• Parallel

• pennate

What class of lever can be seen in posterior neck muscles?

• First class

• Second Class

• Third Class

Which germ layer do the muscle cells originate from?

• mesoderm and ectoderm

• endoderm and mesoderm

• endoderma and ectoderm