Burns that are characterized by blisters, severe pain, and swelling are classified as ________
A) First-degree burns B) Second-degree burns
C) Third-degree burns D) Fourth-degree burns
B
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Whereas sodium is found mainly in the extracellular fluid, most ________ is found in the intracellular fluid.
A) iron B) chloride C) potassium D) magnesium
________ is composed of multiple globular molecules polymerized to form long chains or filaments.
A) Troponin B) Actin C) Myosin D) Tropomyosin E) Titin
While working in a lab without protective glasses, a researcher accidentally sprays themselves in the eyes with a nerve agent that blocks contraction in smooth muscles. Choose the statement that correctly reflects how the eyes will be affected.
A. The only effect is that the iris won't be reactive to light. B. The only effect is that the ciliary body won't be able to adjust the lens. C. Neither the ciliary body nor the iris will be able to adjust or react. D. Neither the ciliary body nor the iris will be able to adjust or react. The extrinsic eye muscles won't be able to move the eye, either.
Sam is an accountant who is especially busy during tax season. By the end of each day he complains of shoulder stiffness and tightness as well as some upper back pain. What might be Sam’s problem and how could he prevent the discomfort?
What will be an ideal response?