____ decreases the release of ACh as well as the membrane's sensitivity, thus inhibiting muscle contraction.
A. Calcium
B. Sodium
C. Magnesium
D. Potassium
Answer: C
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According to the GOLD report, which of the following is the greatest worldwide risk factor for COPD?
a. Exposure to fungal spores in the soil b. Genetic predisposition c. Exposure to influenza viruses d. Exposure to environmental tobacco smoke
What is the purpose of formalized codes of ethics in the health care professions?
A. To revoke the licenses of unethical practitioners. B. To relieve the lawmaking bodies of their legal responsibilities. C. To provide a consistent guide for protocol. D. To increase the competence within the profession. E. To establish formal standards for membership in a group.
First aid is intended to:
A. take the place of medical treatment B. ensure the victim's confidence C. only take care of injuries for which medical care is not needed D. provide temporary assistance until proper medical care, if needed, is obtained
Termination criteria for weaning from mechanical ventilation includes a ____.
A. SpO2 < 80% B. heart rate >120/min C. systolic pressure >180 mm Hg D. systolic pressure < 75 mm Hg