Online MBLEx Questions Video

Nerves that send messages to the central nervous system (CNS) are called afferent nerves. Sensory receptors are examples of afferent nerves. The nerves that send messages from the CNS to the body are called efferent nerves. Somatic nerves are an example of efferent nerves.

When the body is exposed to prolonged heat, more blood is shunted to superficial veins in order to lower body temperature. This results in decreased venous return to the heart. The resulting lowered cardiac output causes less oxygenated blood to reach the brain, causing dizziness and fainting.

The O is for objective, which is based on a therapist’s visual and physical findings of the client.

The pineal gland is a small endocrine gland that produces seratonin, the hormone that regulates sleep patterns.