Peripheral vision is due the activity of which photreceptor?

Your son has fallen off of his bike and shows you his arm.  His forearm is bent at an unnatural angle.  At the emergency room the doctor tells you he has a fracture of his radius where one side of the bone has broken and the other is bent.  What type of fracture is described?

Neural tube defects, such as spina bifida, are often the result of insufficient amounts of which vitamin in the diet?

Which type of channels open in response to the binding of a neurotransmitter?

What type of CNS neuroglial cells form an insulating covering called the myelin sheath?

The deepest layer of the dermis is the

The vertebra that articulates with the skull (C1) is the

Which of the following cells are found in the nervous tissue of the body?

Which of the following is the level of structure of a protein which has a functional three dimensional shape determined primarily by interactions between the side chains of its amino acids?

The spine is ________ to the heart.