When a clot forms in a coronary vessel and obstructs blood flow to the muscle, the condition is referred to as a(n)
A) myocardial infarction.
B) pulmonary embolism.
C) coronary thrombosis.
D) angina pectoris.
E) None of the answers are correct.
C) coronary thrombosis.
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The energy from a pressure wave in the cochlear fluid is released by the bulging and stretching of the
A) tectorial membrane. B) cochlear duct. C) round window. D) vestibular membrane. E) oval window.
What type of muscle assists an agonist by causing a like movement or by stabilizing a joint over which an agonist acts?
A) an antagonist B) a prime mover C) a synergist D) an agonist
This structure provide a means of rapidly transmitting the action potential to the central portions of the muscle fiber
a. T-tubule b. sarcoplasmic reticulum c. Z lines d. myofibril e. myofilaments
During your primary assessment of a semiconscious 30-year-old female with closed head trauma, you note that she has slow, shallow breathing and a slow, bounding pulse. As your partner maintains manual in-line stabilization of her head, you should:
A. perform a focused secondary assessment of the patient's head and neck. B. instruct him to assist her ventilations while you perform a rapid assessment. C. apply 100% oxygen via a nonrebreathing mask and obtain baseline vital signs. D. immediately place her on a long backboard and prepare for rapid transport.