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Multiple Choice
Striations, cylindrical cells, and multiple nuclei are observed in which type of muscle tissue?
A
Skeletal muscle
B
Smooth muscle
C
Cardiac muscle
D
Nervous tissue
Verified step by step guidance
1
Step 1: Understand the characteristics of skeletal muscle tissue. Skeletal muscle is composed of long, cylindrical cells that are multinucleated and exhibit striations (alternating light and dark bands visible under a microscope). These features are unique to skeletal muscle tissue.
Step 2: Compare skeletal muscle tissue with smooth muscle tissue. Smooth muscle cells are spindle-shaped, lack striations, and typically have a single nucleus. This distinguishes smooth muscle from skeletal muscle.
Step 3: Compare skeletal muscle tissue with cardiac muscle tissue. Cardiac muscle cells are branched, have a single nucleus (sometimes two), and exhibit striations. However, cardiac muscle also has intercalated discs, which are not present in skeletal muscle.
Step 4: Eliminate nervous tissue as an option. Nervous tissue is composed of neurons and glial cells, which do not exhibit striations, cylindrical cells, or multiple nuclei. This makes it unrelated to the characteristics described in the question.
Step 5: Based on the observations of striations, cylindrical cells, and multiple nuclei, conclude that these features are specific to skeletal muscle tissue, as none of the other options match all of these characteristics.