Answer the following statements true (T) or false (F)
1 Flat sheets of collagen that attach muscle to one another are called tendons.
2 Intercalated discs are found in all muscles tissue types.
3 Long, cylindrical, multinucleate cells are characteristic of skeletal muscle cells.
4 Smooth muscles is typically found on the walls of hollow organs.
1 FALSE
2 FALSE
3 TRUE
4 TRUE
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What are two examples of connective tissue?
a. muscle and tendons b. bone and tendons c. ligaments and nerves d. cartilage and skin e. blood and muscle
Spines of the ________ form a part of the pelvic outlet.
A. ilium B. pubic symphysis C. ischium D. sacrum E. pubis
Which structure allows upper respiratory infections to spread from the throat to the tympanic cavity?
A. Cochlear duct B. Auditory tube C. Tympanic cavity D. Auditory canal E. Oval window
Which of the following is true with regard to membrane potential?
A)Na+ plays the key role in generating the resting membrane potential. B)All cells in the body must maintain a constant voltage across the membrane. C)Because the number of ions producing the membrane potential is so small that it does not change ion concentrations in any significant way, changes in extracellular Na+ will not affect membrane voltage. D)Transient opening of gated Na+ and K+ channels in the plasma membrane is a normal means of activating neurons and muscle cells.