Which of the following patients would be a candidate for fibrinolytic therapy? (Select all that apply.)
a. The patient chest pain started 8 hours ago. She has a diagnosis of NSTEMI.
b. The patient chest pain started 3 hours ago, and her ECG shows a new left bundle branch block.
c. The patient presents to the emergency department with chest pain of 30 minutes' duration. She has a history of cerebrovascular accident 1 month ago.
d. The patient has a history of unstable angina. He has been experiencing chest pain with sudden onset.
e. The patient chest pain started 1 hour ago, and his ECG shows ST elevation.
Question 2Thrombolytic therapy with recombinant tissue plasminogen activator (rtPA) is now recommended for the management of ischemic stroke if administration can be instituted within how many hours of onset of stroke symptoms?
a. 1
b. 4
c. 6
d. 10
Question 3Testing of extraocular eye movements assesses
a. pupillary response to light.
b. function of the three cranial nerves of the eye.
c. the ability of the eyes to accommodate to a closer moving object.
d. the oculocephalic reflex.
Question 4Which of the following statements best describes the effects of positive-pressure ventilation on cardiac output?
a. Positive-pressure ventilation increases intrathoracic pressure, which increases venous return and cardiac output.
b. Positive-pressure ventilation decreases venous return, which increases preload and cardiac output.
c. Positive-pressure ventilation increases venous return, which decreases preload and cardiac output.
d. Positive-pressure ventilation increases intrathoracic pressure, which decreases venous return and cardiac output.