Which Disorder Involves Repetitive Pulling Out of Hair from the Head

question 120

Multiple Choice

Which disorder involves repetitive pulling out of hair from the head?

• A)pedophilia
• B)pyromania
• C)trichotillomania
• D)kleptomania

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Definitions:

Myosin Head

The part of the myosin protein that binds to actin filaments, enabling muscle contraction.

Actin Filament

Thin myofilament within the sarcomere; composed of two F actin molecules, tropomyosin, and troponin molecules.

Synaptic Vesicles

Small sacs in the presynaptic terminal of neurons that store neurotransmitters, which are released into the synaptic cleft during neurotransmission.

Neuromuscular Junction

The synapse or point of contact between a motor neuron and a muscle fiber, through which signals are transmitted to cause muscle contraction.