What is the purpose of the bleeding time test?
a. to test the conversion of prothrombin to thrombin
b. to perform platelet counts
c. to assess platelet function
d. none of the above
c
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Rapid growth of an infant's head may be an indication of ________
a. hydrocephalus b. hydrocele c. microencephaly d. autism
Patients who have conditions that predispose them to the formation of blood clots include patients who have atrial fibrillation, patients who have undergone heart valve replacement, and patients with certain genetic disorders. Patients who have a history of blood clot formation such as those who have had a stroke, heart attack, pulmonary embolism, or deep vein thrombosis (DVT) are also likely to
form new clots and are usually treated with: A) vitamin K. B) anticoagulants. C) a diet rich in green leafy vegetables. D) blood pressure medications.
A PA axial oblique cervical projection with accurate positioning demonstrates
1. the zygapophyseal joints. 2. the intervertebral foramina. 3. open intervertebral disk spaces. 4. the inferior cortical outlines of the mandible without superimposition. a. 1 only b. 2 and 4 only c. 2 and 3 only d. 2, 3, and 4 only
A PA oblique sternal projection (RAO position) with poor positioning demonstrates the right SC joint and manubrium superimposed by the thoracic vertebrae. How should the patient be reposi-tioned for an optimal projection to be obtained?
a. Have patient take a deep inspiration before image is obtained. b. Center the central ray and IR closer to the vertebral column. c. Increase the degree of patient obliquity. d. Decrease the degree of patient obliquity.