Small areas of the myocardium contracting chaotically is called
A) flutter. B) fibrillation. C) tachycardia. D) bradycardia.
B
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The amount of blood in the human body is about ____ liters
a. 2 b. 5 c. 10 d. 12 e. 15
The skin that covers the lateral and proximal edges of the nail is the
A. hyponychium. B. nail root. C. nail fold. D. eponychium. E. nail body.
While sitting at your desk, you drop your pencil onto the floor. You bend over to pick up the pencil. In order to straighten up and continue your exam you must use which of the following muscles?
A) Tibialis anterior and semimembranosus B) Tibialis anterior C) Erector spinae D) Extensor hallucis longus E) Semimembranosus
What is the difference between the anatomy of the cranial nerves and that of the spinal nerves?
A) In cranial nerves, hollow cavities are empty; in spinal nerves, hollow cavities contain cerebrospinal fluid. B) In cranial nerves, damage is always fatal; in spinal nerves, damage can be healed. C) In cranial nerves, the right and left sides act independently; in spinal nerves, movement is connected. D) In cranial nerves, the white matter is surrounded by the gray matter; in spinal nerves, it is the other way around.