________ Three large veins comprise the vena cava

Which of the following is considered accidental and is therefore covered under the accident provision?

a. Injuries resulting from willful or reckless actions which are known to result in serious bodily injury such as playing Russian roulette b. Injuries resulting from parachute jumping c. Injuries sustained while falling out of the bathtub d. Intentionally self-inflicted injuries, such as those sustained during an attempted suicide

Examination of a patient who is an intense smoker revealed a 1 x 2 cm indurated red mass in the floor of his mouth. Submandibular lymph nodes on the same side were asymptomatic and indu-rated. This patient should be suspected of having:

a. Lichen planus b. Erythroplakia c. Carcinoma in situ d. Squamous cell carcinoma e. None of the above