The _______ space seperates the dura mater from the arachnoid mater.
A. Epidural space
B. Subarachnoid space
C. Subdural space
D. Dura space
C. Subdural space
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Which of the following covers the dentin, providing protection and firmly anchoring the periodontal ligament?
A) root B) enamel C) cementum D) gingiva E) blood vessels and nerves
Mucus is moved along the lining of the trachea by extensions from cell membranes known as
A. cilia. B. flagella. C. microvilli. D. stereovilli.
Answer the following statements true (T) or false (F)
1. The extrinsic eye muscle motor units contain only 8 to 12 muscle cells and in some cases as few as 2 or 3 muscle cells. 2. Retinal detachment always results in loss of vision. 3. The structure that allows equalization of the pressure in the middle ear with that outside the body is the external auditory meatus. 4. The bending of light rays is called reflection. 5. The all-or-none phenomenon as applied to nerve conduction states that the whole nerve cell must be stimulated for conduction to take place.
Answer the following statements true (T) or false (F)
1. Fluid loss can occur from the kidneys, lungs, skin, or intestines. 2. The fluid output that changes most is the amount of sweat lost from the skin. 3. The body regulates the amount of fluid lost by increasing or decreasing the amount of urine produced. 4. ADH tends to increase the amount of urine produced. 5. ADH tends to increase the amount of water reabsorbed by the body.