What is the diagnostic outcome of coal miner's pneumoconiosis? Select all that apply
1. Decreased FEV count during PFT
2. Chest x-ray reveals fluid in pleural space
3. Hypoxemia is found in an arterial blood gas (ABG) test
4. Collapsed lung and air in the pleural space
5. Computed tomography scan shows dilated, fibrotic airways
1, 3
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Exercising muscles use oxygen and release carbon dioxide.
Answer the following statement true (T) or false (F)
Viruses such as Epstein-Barr virus, cytomegalovirus, and HIV are capable of suppressing the immune system by
A. binding antibodies but avoiding an immune response. B. infecting lymphocytes or phagocytic cells. C. production of cytokine antagonists. D. wrapping progeny viral particles in the host-cell plasma membrane. E. Both B and C.
After an action potential is propagated to the axon terminal and calcium channels are opened, which of the following happens next?
a. Sodium moves into the muscle cell. b. Potassium moves out of the muscle cell. c. Acetylcholine is released from the neuron. d. Calcium is released onto the muscle fiber membrane.
Neuralgia:
a. neur b. al c. gi d. a