Which muscle is square-shaped and located in the lumbar region?
A) Erector spinae
B) Trapezius
C) Semispinalis
D) Quadratus lumborum
Answer: D
Anatomy & Physiology
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Gray matter of the spinal cord is mostly composed of
A) axons. B) cerebrospinal fluid. C) interneurons. D) myelin.
Anatomy & Physiology
The model that explains how an enzyme and substrate fit together is called the ________.
enzyme-substrate model lock-and-key model conformational model induced-fit model
Anatomy & Physiology
In ________, joints are inflamed, swollen, and painful.
Fill in the blank(s) with the appropriate word(s).
Anatomy & Physiology
Oxygenated blood is carried away from the placenta by the
A) umbilical vein. B) umbilical arteries.
Anatomy & Physiology