Why is there a loss of blood volume when a patient is confined to bed for two or three days? What symptoms commonly follow this confinement?
What will be an ideal response?
Inactivity causes edema, because of the lack of skeletal muscle pump. The accumulated fluid of edema represents loss from the blood capillaries. This decreased blood volume causes decreased blood pressure, which may give the patient a sense of light-headedness upon standing.
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________ is the physiological process that monitors and maintains a stable internal environment or equilibrium
A) Homeostasis B) Negative feedback loop C) Positive feedback loop D) Metabolism
Which of these events occur when a person steps on a tack with their right foot?
A) The right foot is pulled away from the tack because of the Golgi tendon reflex. B) The left leg is extended to support the body because of the stretch reflex. C) The flexor muscles of the thigh contract, and the extensor muscles relax because of reciprocal innervation. D) The extensor muscles of both thighs contract because of the crossed extensor reflex. E) all of these
After suffering a stroke, Mary finds that she cannot move her right arm. This would suggest that the stroke damage is in the area of the ________ lobe
A) right frontal B) left frontal C) right temporal D) left temporal E) occipital
Which structure drains the milk produced by the secretory cells in the breast?
A. Lactiferous sinuses B. Lactiferous ducts C. Myoepithelial cells D. Lobules