**Core Concept:** Cervical cord injury refers to damage to the spinal cord at the cervical level, which typically leads to varying degrees of motor, sensory, and autonomic dysfunction below the level of injury. The spinal cord is responsible for transmitting sensory and motor information between the brain and the rest of the body.

**Why the Correct Answer is Right:** Cervical cord injuries typically result in **paraplegia** or tetraplegia based on the extent of the damage. In this scenario, the correct answer is **A** because intact reflexes below the injury level indicate that the spinal cord below the injury level is functioning normally and the sensory and motor deficits observed are due to the injury at or above the cervical level.

**Why Each Wrong Option is Incorrect:**

**Option B:** Loss of reflexes below the injury level is a common finding in cervical cord injuries, indicating spinal cord dysfunction at or above the injury site. This is incorrect.

**Option C:** Preservation of anal sphincter tone is not a feature of cervical cord injuries. In fact, urinary and fecal incontinence are common sequelae of such injuries.

**Option D:** Preservation of deep tendon reflexes is not a feature of cervical cord injuries. In fact, absent or diminished reflexes below the level of injury are expected findings.

**Clinical Pearl:** Reflexes are essential for proper spinal cord function, and their preservation in the context of a spinal cord injury is indicative of a more severe injury. This is particularly important when assessing the severity of spinal cord injuries, as it helps determine the level of injury and the potential for recovery.

**Correct Answer:** D - Preservation of deep tendon reflexes below the injury level indicates a higher level of injury, while their absence or decrease indicates a lower injury level. In the context of a cervical cord injury, this would imply a higher injury level and poorer prognosis for recovery.