All of the following are true of muscle spindles except that they
A) are found within skeletal muscle.
B) consist of specialized fibers called intrafusal fibers.
C) are found in tendons.
D) are the receptor for the stretch reflex.
E) are innervated by gamma motor neurons.
Answer: C
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Sixty-five year old Stephen has knee replacement surgery which requires a thin section of his distal femur to be removed. Which of the following statements is true?
A. The health care team informs Stephen he is at high risk for osteomyelitis due to his age. B. As long as the surgery has minimal bleeding, Stephen will have no risk for developing osteomyelitis. C. Stephen has no risk of osteomyelitis because he tests negative for Staphylococcus aureus when given a skin swab. D. Due to the invasive nature of the surgical procedure, Stephen is at risk for osteomyelitis, a bacterial infection of bone.
The reticular formation
A. is composed of nuclei scattered throughout the cerebellum. B. is composed of nuclei scattered throughout the brain stem. C. is composed of nuclei scattered throughout the cerebrum. D. is responsible for pain interpretation. E. coordinates fine motor movements.
The area of the enzyme that binds to its substrate is called the
A. activation energy. B. product. C. active site. D. catalyst.
Which of these is the best imaging technique for routinely examining the anatomical development of a fetus?
A) Auscultation B) Sonography C) PET scan D) Radiography E) MRI