What is the proof strength of a 50% (V/V) solution of alcohol?

25 proof
50 proof
75 proof
100 proof


100 proof

Rationale: The proof strength of alcohol is double the V/V percentage strength. Therefore, the proof strength of a 50% (V/V solution of alcohol would be 100.

Health Professions

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SCENARIOUse this scenario to answer the following question(s).You and your partner are called to a one-vehicle collision. A car has collided with a telephone pole. You arrive on the scene and notice that the police are controlling the traffic and that the power company has turned the power off. The patient is a 65-year-old male who is unconscious in the driver's seat. He is breathing and has a pulse. There is a starburst crack in the windshield, and the patient is unrestrained. As your crew is approaching the scene, the local Advanced Life Support Crew arrives.As an Emergency Medical Responder on this call, the first responsibility for you and your crew would be to:

A. ensure that the patient has an open airway. B. ensure that it is safe for you and your crew to enter the area. C. determine the need for advanced resources. D. determine the number of patients needing your care.

Health Professions

The reticulocyte response in patients with moderate anemia is often misinterpreted as adequate if:

a. The count is not expressed in absolute terms or corrected for anemia. b. The red cell indices are not considered. c. A bone marrow aspirate is not examined. d. Red cell morphology is not considered.

Health Professions

The head of the femur and all of the acetabulum are completely covered with articulating cartilage

Indicate whether the statement is true or false

Health Professions

Who provided medical care to construction workers in the desert on the Los Angelesaqueduct in exchange for a prepaid, per capita amount deducted from their paychecks?

A. William Mulholland B. Harrison Gray Otis C. Dr. Paul Elwood D. Dr. Sidney Garfield

Health Professions