A muscle contracture is a state of
a. intermittent contraction in which crossbridges on sliding filaments fail to unlink.
b. constant contraction in which crossbridges on sliding filaments fail to unlink.
c. constant relaxation in which crossbridges on sliding filaments remain unlinked.
d. intermittent relaxation in which crossbridges on the sliding filaments unlink.
b
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You have been called to assist a panicked mother who is worried about her son. When you arrive, she tells you that her 4-year-old son has been quiet all morning and napping while the rest of her children were skiing. While napping he began to "shake all over" for about 30 seconds. The child is now resting quietly and has adequate respirations. His radial pulse is strong, and his skin is very hot
and moist to the touch. Based on this presentation and information, you assume that the seizure occurred secondary to: a. hypoxia. b. a fever. c. hypoglycemia. d. altered mental status.
When seen in a child, the "tripod" and "sniffing" positions are usually signs of:
a. respiratory distress. b. an infection of the brain. c. hypovolemia. d. a neck or spine injury.