Moving the eyeball around the eye orbit is primarily the job of the _____.
A. intrinsic muscles of the eye
B. extrinsic muscles of the eye
C. pterygoid muscles
D. temporalis muscles
Ans: B. extrinsic muscles of the eye
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Once a ligand has bound to a receptor, it will continue to generate its response. In order to stop that response, the ligand must be removed or inactivated in some way
Describe the different ways this may be accomplished, along with features of each method. What will be an ideal response?
Which of the following describes the auditory tube?
A. It leads from the pinna to the tympanic membrane. B. It leads from the tympanic membrane to the oval window. C. It spirals around the modiolus of the cochlea. D. It leads from the nasopharynx to the middle ear. E. It includes the vestibule and semicircular ducts.
Which of the following statements is true regarding the gray matter of the cerebrum?
A. It is located only in the cerebral cortex. B. It is found in the cerebral cortex of the frontal, parietal, and occipital lobes but does not cover the entire temporal lobe. C. It is found both in the superficial cortex and in deeper basal nuclei. D. It consists mainly of nerve cell bodies and unmyelinated fibers and is found both in the superficial cortex and in the substantia nigra. E. It consists mainly of nerve cell bodies and myelinated fibers.
Most of the protein factors that are required for clotting are synthesized by
A) platelets. B) megakaryocytes. C) the liver. D) the kidneys. E) the spleen.