The volume number of RBCs is controlled by which hormone? 

A. thyroxin
B. oxyhemoglobin
C. cortisol
D. erythropoietin


D. erythropoietin

Health Professions

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In myasthenia gravis, which two pulmonary function values are the most sensitive in detecting respiratory muscle weakness?

1. TLC and VC 2. PImax and PEmax 3. VC and expired volume per unit time (VE) 4. VC and tidal volume (VT) a. 1 and 4 only b. 1 and 2 only c. 3 and 4 only d. 2 and 3 only

Health Professions

Which of the following is an objective for splinting teeth?

A) To increase esthetics of the teeth B) To increase effectiveness of plaque control C) To reduce discomfort for the patient D) To aid in healing of gingival pockets

Health Professions

Each of the following statements regarding horizontal angulation is correct EXCEPT one. Which one is the EXCEPTION?

a. Contact points should appear open or separate from each other on the radiograph. b. The central ray should be directed parallel to the curvature of the arch. c. Overlapped contact points result when incorrect horizontal angulation is used. d. Horizontal angulation is the positioning of the central ray in a side-to-side plane.

Health Professions

Sampson received an inflatable penile prosthesis to treat his erectile dysfunction. What code is used to report the device?

A. C1788 B. C1785 C. C1789 D. C1813

Health Professions