A Motor Unit Is

question 13

Multiple Choice

A motor unit is

• A) A motor neuron and all of the muscle fibers it innervates
• B) A single muscle fiber innervated by a single motor neuron
• C) All of the m uscle fibers within a muscle fasicle
• D) A single muscle fiber innervated by several motor neurons
• E) A piston, spark plug, intake valve and exhaust valve

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Definitions:

Falciparum Malaria

A severe malaria caused by the parasite Plasmodium falciparum, characterized by high fever, chills, anemia, and in severe cases, cerebral malaria.

Heterozygous

A genetic condition where an individual has two different alleles of a gene.

Hemophilia A

A genetic disorder caused by deficient or defective clotting factor VIII, leading to excessive bleeding and difficulty clotting after injury.

Clotting Ability

The capacity of the blood to form clots, a critical process in stopping bleeding and beginning repair of damaged tissues.