How many minutes does it take for the respiratory system to offset acidosis or alkalosis?
A. 1-3 minutes
B. 2-4 minutes
C. 6-8 minutes
D. 3-5 minutes
Answer: A
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In both ICD-9 and ICD-10, the convention code first underlying disease means ____.
A. the code may not be used as the first code B. the disease is not otherwise specified. C. alternative wording must be used D. two codes are required separately to code the diagnosis E. ICD does not provide a code specific enough for the patient's condition
Ann presents today with the complaint of headaches and visual disturbances. Dr. Thompson notes intense skin pigmentation. Ann is diagnosed with Nelson's syndrome. The coder should assign code:
A. E24.0 B. E24.3 C. E24.1 D. E24.2
Which of the following is true with respect to axial calcaneal projections?
1. The image demonstrates an open talocalcaneal joint space. 2. The foot is flexed 90 degrees to the lower leg and rotated slightly laterally. 3. A 40-degree central ray is directed proximally. 4. The central ray is centered to the distal fifth metatarsal. a. 1 and 3 only b. 1 and 2 only c. 3 and 4 only d. 1, 3, and 4
Infants and small children are referred to as "belly breathers" because:
A. the skin covering the abdomen is thicker than the chest wall. B. the diaphragm is less developed than the intercostal muscles. C. their intercostal muscles are weak and not well developed. D. gastric distention interferes with diaphragmatic movement.