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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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
Bacterial cells have no nucleus or organelles and reproduce easily through a process known as ________
A) Interphase B) Binary fission C) Eukaryosis D) Chromatin
Anatomy & Physiology
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