Which of the following statements about muscle tissue is true
A. Smooth muscle cells are long and cylindrical.
B. Smooth muscle is found in the walls of hollow organs.
C. Skeletal muscle is capable of spontaneous contraction.
D. Cardiac muscle cells have multiple nuclei.
E. There is a small amount of smooth muscle in the heart.
Answer: B. Smooth muscle is found in the walls of hollow organs.
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Most of the digestive secretions do not remain in the fecal material
Indicate whether the statement is true or false
The most common type of cartilage, named for its glassy appearance, is
A. reticular cartilage. B. areolar cartilage. C. hyaline cartilage. D. fibrocartilage. E. elastic cartilage.
Which statement incorrectly describes active transport?
A. Transport of materials across the cell membrane with the use of energy B. Transport of materials from areas of low concentration to areas of high concentration C. Movement of materials up the concentration gradient D. Transport of materials from areas of high concentration to areas of low concentration
The muscle that raises the corners of the mouth as when smiling is the ________ muscle
A) orbicularis oculi B) zygomaticus major C) orbicularis oris D) masseter E) buccinator