Name the four major regions of the stomach in order from its junction with the esophagus to the small intestine. (Module 22.10A)
Ans: fundus, cardia, body, pyloric part
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In comparison with the renal cortex, fluid in the proximal tubule is hyperosmotic.
a. true b. false
The AV node
a. is the normal pacemaker of the heart. b. is the only electrical connection between the atria and the ventricles. c. rapidly conducts the impulse from the atria to the ventricles so that they contract simultaneously. d. is not innervated by the vagus. e. has the fastest rate of depolarization in the heart.
Cytotoxic T cells respond only to antigens bound to MHC-I proteins
Indicate whether the statement is true or false
As a muscle gets stronger the diameter of its individual muscle cells becomes larger. Which of the following structures ensures that the membrane potential change is translated into the depth of the cell?
A. Z lines B. Transverse tubules C. Sarcoplasmic reticulum D. Pores in the plasma membrane E. H zone