Jorge and Julio Are Identical Twins

question 91

Multiple Choice

Jorge and Julio are identical twins. Jorge has been diagnosed with schizophrenia. Research cited in the text suggests that Julio's risk of developing schizophrenia may be as high as ______% percent.

• A) 40
• B) 60
• C) 80
• D) 100

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Definitions:

Transmitter-activated Receptors

Receptors on the surface of neurons that respond to neurotransmitters, triggering a response in the target cell.

Chemical Transmitters

Molecules released by neurons to transmit signals across synapses to other neurons, muscles, or glands.

Chemical Synapse

Junction at which messenger molecules are released when stimulated by an action potential.