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Anatomy Week 6-12

QuestionAnswer
Which of the following statements is true? The origin of muscle is attached to the bone that does not move. The insertion of the muscle is attached to the bone that moves. When the muscle contracts, the insertion moves toward the origin.
The posterior arm muscle that extends the forearm is the: triceps brachii
T/F: There are more than 600 bones in the body. TRUE
Where do chemical signals diffuse between neurons? Synapse
Nerves that originate from the brain are called __ nerves. Cranial
What are the structural classifications of neurons? Bipolar, Unipolar, multipolar
What is the corpus callosum? An area of white matter where axons from one cerebral hemisphere cross the midline to the opposite hemisphere?
How many pairs of spinal nerves are connected to the spinal cord? 31
Dendrites and cell bodies of sympathetic preganglionic neurons are located in the gray matter of the thoracic and upper lumbar segments of the spinal cord
What are the two efferent divisions of the autonomic nervous system? Sympathetic and Parasympathetic
The nerve carrying taste information from the anterior two-thirds of the tongue is the facial
What is the transparent structure of the eye containing regularly aligned collagen fibers? cornea
What mineral is essential for the formation of thyroid hormone? Iodine
What pancreatic cell type produced insulin? Beta cells
Blood flow from the heart through blood vessels to all parts of the body and back to the heart is referred to as ____ circulation. systemic
The normal cardiac impulse that initiates mechanical contraction of the heart arises in the: SA node
What are elements found in blood? Redd blood cells, white blood cells, platelets
What is the primary organ of the lymphatic system? Thymus
What is the body's first line of defense? skin
What structure in the neck is known as the "Adam's Apple"? Thyroid cartilage
What are the external openings to the nasal cavities can be referred to as? Nostrils, anterior nares, external nares
What is the total number of lobes in both lungs? 5
Created by: kbpick11
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