An area of the retina that contains only cones and is the site of sharpest vision is the
A) optic disc.
B) inner segment.
C) fovea.
D) outer segment.
E) tapetum lucidum.
C) fovea.
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A neuroscientist who investigates mindfulness is a:
A. Molecular neuroscientist B. Cognitive neuroscientist C. Cellular neuroscientist D. Systems neuroscientist E. Behavioral neuroscientist
The medulla oblongata ________.
A. is continuous with the midbrain B. contains the nuclei of three cranial nerves C. acts only as a relay center D. contains the glossopharyngeal nuclei
A woman insists on an ultrasound and a maternal serum marker test to check for Trisomy 21 in her unborn child because she only wants to use non-invasive methods. Her obstetrician will
A. allow the maternal serum marker test but still recommend amniocentesis, because maternal serum markers and amniocentesis check chromosomes while ultrasound and CVS do not. B. heavily advise against this decision, because ultrasound and maternal serum markers do not check chromosomes while CVS and amniocentesis do. C. follow the procedures she wants, because ultrasound and maternal serum markers check chromosomes while CVS and amniocentesis do not. D. allow the ultrasound but still recommend CVS, because ultrasound and CVS check chromosomes while maternal serum markers and amniocentesis do not.
The superior orbital fissure is formed in the sphenoid bone, whereas the inferior orbital fissure is formed between the sphenoid and ________
A) maxilla B) lacrimal C) palatine D) ethmoid