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Espinda-Fuaoa
Study Stack Set 2 / WK 13
Question | Answer |
---|---|
The peripheral nervous system includes: | only cranial nerves, spinal nerves, and their branches. |
Parasympathetic neuron cell bodies are located in: | nuclei of the brainstem and the lateral gray columns of the sacral cord. |
Which plexus contains nerves that innervate the lower part of the shoulder and the entire arm? | Brachial |
The nerve commonly called the vagus nerve is the _____ cranial. | tenth |
Several “vital centers” are located in the: | medulla. |
The heart has its own special covering, a loose-fitting inextensible sac called the | pericardium. |
A glycoprotein hormone that is secreted to increase oxygen concentration in the tissues is | erythropoietin. |
The molecule that makes up 95% of the dry weight of each red blood cell and is responsible for the red pigment is spectrin. | hemoglobin. |
The brachiocephalic vein drains blood from the | head, neck, and upper extremity. |
The normal cardiac impulse that initiates mechanical contraction of the heart arises in the | SA node. |
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 four structures that compose the conduction system of the heart are the | SA node, AV node, AV bundle, and Purkinje fibers. |
Which types of arteries are also called conducting arteries and include the aorta? | elastic arteries |
In _____, blood moves from veins to other veins or arteries to other arteries without passing through an intervening capillary network. | vascular anastomoses |
The hormone produced by the heart | increases the excretion of sodium in the urine. |
Gel-like structure embedded with the tips of cochlear hair cells. | tectorial membrane |
Bony labyrinth structure containing the utricle and saccule. | vestibule |
Melanin-containing layer of the eye's vascular tunic. | choroid |
The hypophyseal portal veins are primarily located in the | infundibulum. |
Transparent structure of the eye containing regularly aligned collagen fibers. | cornea |