3, 5, 3?-triodothyronine is characterized as which of the following?
A. The least potent thyroid hormone
B. The most potent thyroid hormone
C. Secreted by the anterior pituitary gland in response to low blood levels of TSH
D. Used to make both T3 and T4 hormones
B
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A ________ occurs when an area of tissue is destroyed by the action of physical heat, chemical activity, high electrical current, or heavy exposure to radiation
a. fracture b. burn c. sprain d. strain
The EMT shows an understanding of newborn resuscitation when she states:
A) "Most newborns require aggressive resuscitation immediately after birth." B) "The EMT must use high-concentration oxygen sparingly because it can be toxic to a baby." C) "Interventions should be performed for 30 seconds followed by reassessment." D) "CPR should only be used when the baby is unresponsive, apneic, and pulseless."