The Valsalva maneuver causes a drop in blood pressure which should be detected by:
A) nociceptors. B) thermoreceptors. C) chemoreceptors. D) baroreceptors.
Answer: D
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________ is known as a "vicious cycle." In most cases, this is harmful if the vicious cycle cannot be broken; sometimes it is necessary for a process to run to completion
A) Homeostasis B) Negative feedback loop C) Positive feedback loop D) Metabolism
Attachment to the ribs limits range of motion in which vertebrae?
A. cervical B. thoracic C. lumbar D. sacral
Which of the following would increase the maximum rate of facilitated diffusion?
A. Increase ATP synthesis B. Increase the concentration gradient of the transported molecule to the saturation point C. Decrease the concentration gradient of the transported molecule D. Increase the concentration of the competitive molecules E. None of the choices are correct.
Extracellular fluid has a ________.
A. higher Na+ content than intracellular fluid B. higher Mg2+ content than intracellular fluid C. higher K+ content than intracellular fluid D. higher number of large organic molecules than intracellular fluid E. higher protein content than intracellular fluid