Which of the following factors will not influence the rate at which a meal will empty from the stomach?
a. fat in the duodenum
b. acid in the duodenum
c. caffeine in the duodenum
d. hypertonicity of the duodenal contents
e. distention of the duodenum
C
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Binding of myosin to actin in skeletal muscle cells does not normally take place in the absence of Ca2+.
Answer the following statement true (T) or false (F)
Cerebrospinal fluid is
A) yellow in the CNS and clear in the PNS. B) white and thick. C) clear and liquid. D) red.
Bending your head back beyond anatomical position is an example of ________
A) circumduction B) flexion C) extension D) hyperextension
When you wiggle the tip of your nose with your fingers, the flexibility of the nose is due to the presence of which tissue?
A. Hyaline cartilage B. Elastic cartilage C. Areolar connective tissue D. Fibrocartilage E. Reticular connective tissue