The dental specialty that deals with the diagnosis and surgical treatment of the oral region is ________
a. oral and maxillofacial surgery
b. oral and maxillofacial pathology
c. oral and maxillofacial radiology
d. oral and maxillofacial anatomy
a
RATIONALE: A person who needs to have his wisdom teeth removed may see an oral and maxillofacial surgeon.
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Three sets of pressure, flow, and volume waveforms are depicted below from a patient who is receiving continuous mandatory ventilation. Identify the control variable, and which set of waveforms reflects a decreased lung compliance
A. control variable: pressure; decreased lung compliance: set C B. control variable: pressure; decreased lung compliance: set A C. control variable: volume; decreased lung compliance: set B D. control variable: volume; decreased lung compliance: set C
The pacemaker that fires at 20 to 40 beats per minute is:
A. Purkinje's network. B. the bundle of His. C. the AV node. D. the SA node.
A 36 year-old patient is admitted to the ED with a temperature of 38.5° C and suspected pneumonia. The patient has no history of pulmonary disease. Auscultation reveal medium crackles throughout both lungs. Which of the following should be recommended for management of this patient?
A. Pre/post bronchodilator study B. Ultrasonic nebulizer treatments C. Manually assisted coughing D. Regular coughing and deep breathing
What is the term for an increase in myocardial contractility?
a. positive inotropism c. positive chronotropism b. negative chronotropism d. negative inotropism