In a healthy individual which of the following would be low?
Stroke volume
Contractility
Afterload
Preload
Afterload
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What structure separates the outer ear from the middle ear?
A. Oval window B. Round window C. Tympanic membrane D. Auditory tube
Which part of the neuron receives information?
A. Dendrites B. Axon C. Synaptic knob D. Body
Which is not involved in the process of bone repair following a fracture?
A. A fibrocartilaginous callus serves as a model for new bone growth. B. The fracture hematoma reorganizes to form a procallus. C. Osteoclasts remove excess bone from the hard callus. D. Fibroblasts produce collagen fibers to connect broken pieces of bone. E. No exceptions; all of the choices are involved in the process of bone repair.
Which of the following factors can predispose runners to stress fractures?
A. increased training duration or intensity without allowing time for bone remodeling B. abrupt changes in running surface C. both A and B D. runners are not predisposed to stress fractures