Confusion, a sustained heart rate greater than 120 beats/min, and a respiratory rate of 32 breaths/min are MOST consistent with class ___ hemorrhage?
A) I
B) II
C) III
D) IV
Ans: C) III
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Which of the following statements best describes the length-tension relationship of a muscle?
a. The total amount of tension a muscle can develop is related only to the muscle's active tension. b. During active concentric contraction, maximal tension is developed in the muscle's midrange. c. During active shortening, no tension is present after all cross-bridges have formed and the myofilaments are overlapping. d. All of the above answers are correct.
Which of the following is a term for a pulse rate greater than 100 beats per minute?
a. Bradycardia b. Asystole c. Tachycardia d. Extra systole e. Fibrillation
Strong productive coughs, a small amount of secretions, and ____ are good predictors of successful extubation.
A. infrequent need for suctioning B. ventilatory reserve C. hemoglobin level >10g/dL D. being alert
The main danger when working with rabbits is that they frequently bite
Indicate whether the statement is true or false