For the prothrombin time, the ratio of anticoagulant to blood should be one part anticoagulant to five parts blood (1:5).
Answer the following statement true (T) or false (F)
False
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If your patient has very cold hands, what is a good method to improve blood flow for a dermal puncture?
A. Immediately cut across the fingerprint. B. Hold the patient's hand above his/her heart. C. Squeeze the patient's finger. D. Warm the patient's finger with a warm cloth or tissue warmer.
Capillary walls are only one cell thick, so oxygen can pass out of the blood, and waste material can pass into the blood.
Answer the following statement true (T) or false (F)
The disorganization of the protein structure in such a manner as to render the protein incapable of performing its function is called:
A. denaturation. B. hydrolysis. C. digestion. D. protein synthesis.
Which of the following is spread by direct contact?
a. Measles c. Staphylococcus b. Hepatitis B d. Histoplasmosis