What part of the retina lacks photoreceptors?
A. Optic disc
B. Posterior retina
C. Macula lutea
D. Fovea centralis
E. All of the choices are correct.
Answer: A
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Which of the following generalizations does not describe the cerebral cortex?
A) The cerebral cortex contains three kinds of functional areas. B) Each hemisphere is chiefly concerned with sensory and motor functions of the contralateral side of the body. C) The hemispheres are exactly equal in function. D) No functional area of the cortex works alone.
Growth hormone secretion is ________ during sleep.
A. decreased B. decreased, then increased C. increased, then stopped D. increased
Describe the functions of the facial bones
A) The facial bones protect the anterior portion of the brain. B) The facial bones protect the posterior portion of the brain and provide a site of attachment for neck muscles. C) The facial bones protect and support the entrances to the digestive and respiratory tracts and provide a site of attachment for muscles of facial expression. D) The facial bones provide a site of attachment for the muscles that move the eyes, jaw, and head. E) The facial bones form the lower jaw and provide a site of attachment for muscles that allow speaking and chewing.
Which of the following compounds yields the most ATP per molecule?
A) Acetyl-CoA B) Glucose C) Pyruvic acid D) Lactic acid E) Glycogen