Which of the following is not an example of a homeostatic mechanism in the human
body?
A) Secreting insulin after a meal to return blood sugar concentration toward normal.
B) Increasing heart rate and force of contraction when blood pressure falls.
C) Retention of fluid leading to retention of more fluid.
D) Shivering when body temperature falls below normal.
C
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A patient develops a clot that blocks the blood supply to the right cerebral hemisphere. What signs and symptoms would you expect as a result of this blockage?
What does structure "E" represent on the diagram?
A. Articular cartilage B. Bursa C. Synovial membrane D. Tendon E. Fibrous capsule
What is the correct order of structures as you move from outside a muscle cell, to deep inside it?
A) fiber, myofibril, myofilament B) myofilament, fiber, myofibril C) myofibril, myofilament, fiber D) myofilament, myofibril, fiber
The hormone that does the opposite of calcitonin is
A) insulin. B) glucagon. C) growth hormone. D) parathyroid hormone. E) thyroid hormone.