Which term means toward the head?
A. Cephalad
B. Superior
C. Caudal
D. Both a and b
E. Both a and c
Answer: D
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Which areas of the brain monitor and adjust activities of the motor pathways?
A) basal nuclei B) cerebellum C) basal nuclei and cerebellum D) midbrain E) pons
Human blood has a pH of 7.4; therefore, it can be classified as a ________.
A. strong base B. weak base C. weak acid D. strong acid E. neutral solution
The function of red blood cells is to
A) carry carbon dioxide from the lungs to the body's cells. B) carry oxygen from the lungs to the body's cells. C) carry nutrients from the digestive system to the body's cells. D) defend the body against infectious organisms. E) carry oxygen from the body's cells to the lungs.
Rough endoplasmic reticulum (RER) in the cell cytoplasm is intensely stained by hematoxylin because hematoxylin:
a. Attaches to lipids in RER membranes b. Binds readily to RNA c. Catalyzes the precipitation of ribosomes into a dense, readily stained matrix d. Is an acid dye and binds to acidophilic ribosomal proteins e. Reacts with carbohydrate molecules of integral membrane proteins