Serum:
a. is made from blood plasma
b. contains fibrinogen
c. has no antibodies
d. all of the above
a. is made from blood plasma
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Gland cells produce
A) mesenchyme. B) antibodies. C) secretions. D) phagocytes. E) fibers.
Which of the following structures is not part of the external ear?
A) pinna B) external acoustic meatus C) tympanic membrane D) pharyngotympanic tube
Axons from the olfactory nerve synapse onto dendrites of mitral cells in this structure:
a. the nasal organ. b. the olfactory mucosa. c. the olfactory cortex d. thalamus e. glomeruli
Why does the near point of vision typically increase with age?
A) Elasticity of the lens decreases with age. B) Elasticity of the lens increases with age. C) The number of photoreceptors decreases with age. D) The amount of refraction changes because the liquid inside the eye decreases with age. E) The amount of refraction changes because the liquid inside the eye increases with age.