An 8-year-old child in cardiac arrest has been intubated. When ventilating the child, the paramedic should:
A) observe for full chest expansion.
B) deliver 8 to 10 breaths per minute.
C) allow partial exhalation between breaths.
D) deliver one breath every 15 seconds.
Answer: B) deliver 8 to 10 breaths per minute.
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An abnormally low production of gonadotropin produces a condition called __________.
a. follitropism b. hypogonadism c. somatomedins d. diabetogenesis
Which is NOT considered to be a primary function of the respiratory system?
A) vocalization B) gas exchange C) regulation of pH balance D) protection against pathogens E) regulation of water balance
Most knee ligaments become taut upon extension of the joint, except for one. Which knee ligament becomes taut upon flexion of the joint, and prevents hyperflexion of the joint?
a. anterior cruciate ligament b. posterior cruciate ligament c. patellar ligament d. tibial collateral ligament
Which vessel is guarded by a semilunar valve at its base?
A) superior vena cava B) pulmonary trunk C) pulmonary vein D) coronary sinus