Which of the following statements regarding the gall bladder is true?
(a) it synthesises bile
(b) it is lined by simple columnar epithelium
(c) bile leaves the gallbladder via the common bile duct
(d) it has no muscle cells in the walls
(e) it is affected by the hormone secretin
Ans: (b) it is lined by simple columnar epithelium
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While examining a sample of muscle tissue under a microscope, you notice that the cells are multinucleated. They are long, unbranched, striated, and contain a developed transverse tubule system. Which muscle type does this sample contain?
A. Striated muscle B. Skeletal muscle C. Smooth muscle D. Cardiac muscle
The _____ zone includes the alveoli, while the _______ zone includes the trachea.
A. conducting; respiratory B. transport; ventilation C. respiratory; conducting D. ventilation; transport
Paired organs that are bilateral on the left-right plane of the body would be separated by a sagittal section.
Answer the following statement true (T) or false (F)
Which of the following expressions defines angular velocity?
A. change in angular position over a given time B. angular displacement divided by time C. both A and B D. neither A nor B