The most superficial layer of the muscularis externa muscle in the stomach is the:
a. oblique layer
b. circular layer
c. longitudinal layer
d. muscularis mucosa
Answer: c. longitudinal layer
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Imagine a genetic mutation that resulted in a malfunctioning inactivation gate in a voltage-gated sodium channel. The defective gate wouldn't always open and close when it should. What functional problems would this cause for the neurons?
What will be an ideal response?
During the steps of glycolysis, ________ ATPs, ________ NADHs, and ________ molecules of pyruvate are produced.
A. 4; 6; 8 B. 3; 4; 5 C. 6; 4; 2 D. 2; 4; 6 E. 4; 2; 2
The lower limit of resolution of a light microscope is ________.
A. 100?m B. 10?m C. 0.1?m D. 0.01?m E. 1.0?m
The type of muscle that is found in blood vessel walls is ________ muscle.
A. skeletal B. smooth C. cardiac