The plexus formed from the anterior rami of L4-S4 is the ________ plexus.

A. intercostal
B. sacral
C. brachial
D. lumbar
E. cervical


Answer: B

Anatomy & Physiology

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Bacterial cells have no nucleus or organelles and reproduce easily through a process known as ________

A) Interphase B) Binary fission C) Eukaryosis D) Chromatin

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When equilibrium is achieved and no net diffusion is taking place, there is no movement of molecules

Indicate whether the statement is true or false

Anatomy & Physiology

What substances cannot diffuse through a lipid bilayer?

A. Nonpolar uncharged molecules B. Oxygen and carbon dioxide C. Ions and glucose D. Steroids

Anatomy & Physiology

The basic event in the formation of a blood clot is the change of

A. fibrinogen to fibrin. B. thrombin to prothrombin. C. vitamin K to prothrombin. D. fibrin to fibrinogen.

Anatomy & Physiology