If the corpus callosum is surgically cut, which of the following is not true?
A) The two cerebral hemispheres operate independently.
B) Objects viewed by the left eye can be verbally identified.
C) Objects touched by the left hand could be recognized but not verbally identified.
D) Conscious decisions are made without regard to sensations from the left side.
E) Faces seen by the left eye cannot be identified.
Answer: E
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On a field trip you discover a skeleton with the following characteristics: the acetabulum is directed laterally, the ischial spine points medially, and the angle inferior to the pubic symphysis is less than 90 degrees. The long bones of the arms and legs are relatively light and show epiphyseal plates. This skeleton is probably from
A) a young male. B) a young female. C) an elderly male. D) an elderly female. E) an infant male.
Which of the following would not lead to polycythemia?
A. Excessive aerobic exercise B. Iron deficiency C. Dehydration D. Emphysema E. Cancer of the erythropoietic line of the red bone marrow
The nasopharynx transitions into the oropharynx at the level of the
A) hard palate. B) soft palate. C) cribriform plate. D) internal nares. E) pharyngeal septum.
Secretion of the hormones ________ and ________ exemplify the pattern of chronic hormone secretion.
A. epinephrine; norepinephrine B. thyrotropin; thyroxine C. insulin; glucagon D. estrogen; progesterone E. calcitonin; PTH