Which of the following pairs measures the oxygen level in the blood?
A) chest x-ray and auscultation
B) culture and sensitivity
C) oximetry and arterial blood gas
D) spirometry and carboxyhemoglobin
C
Explanation: A) Neither of these tests measures the oxygen level in the blood.
B) This test does not measure the oxygen level in the blood.
C) Correct!
D) Neither of these tests measures the oxygen level in the blood.
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As thymocytes develop, they are classified on the basis of the state of their T-cell receptors and which of the following?
A. Which class of MHC they express on their surface B. The state of the immunoglobulin heavy and light chains on their surface C. The presence of coreceptor proteins CD4 and CD8 on their surface D. The expression of the transcription factor, FoxP3 E. None of the above
The physician would order a blood test to check the uric acid level if a patient was suspected of having ________
A) gout B) rheumatoid arthritis C) osteoporosis D) degenerative joint disease
What do watching TV, daydreaming, worrying, and procrastinating have in common?
a. They are stress events. b. They are mindless meditation techniques. c. They are top-priority tasks. d. They are relaxation techniques. e. They are time killers.
Creating pleasant and peaceful mental images is the relaxation technique known as
A) qigong. B) progressive muscle relaxation. C) visualization. D) meditation.