Which of the following statements about the impact of motorcycle helmet usage is TRUE?
A) Helmet use moderately increases the incidence of cervical spine injury.
B) Helmet use moderately decreases the incidence of cervical spine injury.
C) Helmet use substantially decreases the incidence of cervical spine injury.
D) Helmet use neither increases nor decreases the incidence of cervical spine injury.
D
Health Professions
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Which type of fungal lung infection frequently results in productive cough with purulent sputum?
a. Staphylococcal infection b. Blastomycosis c. Klebsiella infection d. Histoplasmosis
Health Professions
When swallowing food, what leaf-shaped structure prevents it from entering the respiratory tract?
A) Epiglottis B) Vallecula C) Pharynx D) Larynx
Health Professions