Marine life can cause varying degrees of injury and illness. Which of the following marine creatures can cause respiratory failure and cardiovascular collapse in humans?

A lateral lumbar projection with accurate positioning demonstrates

1. open intervertebral disk spaces. 2. the intervertebral foramina. 3. distorted vertebral bodies. 4. the zygapophyseal joints. a. 1 and 2 only b. 3 and 4 only c. 1, 2, and 3 only d. 1 and 4 only

Which of these statements shows that the EMT has an accurate understanding of altered mental status?

A) "It describes any change away from a normal state of mental function." B) "It applies only when the patient is not responsive to verbal or painful stimuli." C) "It should be suspected only when the patient is on medications that can cause confusion." D) "It is any mental state experienced by a person with diabetes or other serious chronic disease."