Which part of the brain functions in higher order thinking and reasoning?
a. cerebrum.
b. hypothalamus.
c. corpus callosum.
d. cerebral cortex.
Answer: a. cerebrum.
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The alveolar epithelium consists primarily of flat, pancake-like simple squamous cells called ________.
A. goblet cells B. tonsils C. pneumocytes D. capillaries
Which of the following statements about tissue swelling that occurs during inflammation is true?
A) It is triggered by regeneration. B) It is triggered by histamine. C) It is caused by increased endothelial permeability. D) It is triggered by regeneration and caused by increased endothelial permeability. E) It is triggered by histamine and caused by increased endothelial permeability.
What would be the effect of a drug that blocked muscarinic receptors on the smooth muscle of the iris that regulates the size of the pupil?
A. Blood vessels in the anterior part of the eye would constrict. B. The pupil would dilate. C. The eye would focus more clearly on near objects. D. The eye would focus more clearly on distant objects. E. The pupil would constrict.
Action potentials are conducted more rapidly along ___ axons.
Fill in the blank(s) with the appropriate word(s).