Epithelial tissue includes which of the following?
A) cartilage
B) bone
C) fat
D) surface of skin
E) All of the answers are correct.
D) surface of skin
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The large muscle that spans the entire width of the lower back is the ________.
Fill in the blank(s) with the appropriate word(s).
For effective control of motor output, what two types of muscle proprioceptors are needed by the CNS?
a. muscle spindles and Golgi tendon organs b. muscle spindles and stretch receptors c. sarcoplasmic reticulum and Golgi tendon organs d. sarcomeres and Golgi tendon organs e. sarcomeres and stretch receptors
All of the following are guidelines for using the oil-immersion lens EXCEPT which statement?
A) Once your slide is in position, place a drop of oil on the slide and focus first at low power. B) Place the slide on the microscope and focus first on low power and then medium and the high dry magnifications. C) Once the oil-immersion lens is in place, swing the objective away from the slide and add a small drop of oil. D) Once the oil is applied and the oil-immersion objective lens is moved in place, focus the lens with the fine adjustment knob.
Which of the following is NOT true of the latch state of smooth muscle contraction?
A. Myosin phosphatase removes the phosphate group from myosin. B. It allows contraction without a large energy expenditure. C. It explains why smooth muscle can sustain tension for long periods of time. D. It occurs when the phosphate is removed while the cross-bridges are attached to actin. E. It occurs when the phosphate is removed while the cross-bridges are not attached to actin.