Dural venous sinuses are areas where
A. large numbers of nuclei congregate.
B. cerebrospinal fluid is produced.
C. glial cells are formed.
D. cerebrospinal fluid is stored.
E. the meningeal and periosteal layers separate to form large blood-filled spaces.
Answer: E
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In the development of the skeleton, what typically occurs between the ages of 18 to 21?
A. Bone remodeling ceases. B. Red marrow turns to yellow marrow. C. Appositional growth ceases. D. Mineral deposition ceases. E. The epiphyseal plates fuse.
The effect of the parasympathetic division on the penis is vasodilation causing erection, while ejaculation is due to sympathetic stimulation
Indicate whether the statement is true or false
Which structure(s) form(s) the lower jaw?
A. Somites B. Neural tube C. Secondary palate D. Mesonephros E. Mandibular processes
The ________ is the volume of blood in a ventricle at the beginning of systole
A) stroke volume B) end-systolic volume C) end-diastolic volume D) afterload E) preload