Nicotine receptors are found in ________ in the periphery and in ________ in the brain.
A) cardiac fibers; glial cells
B) muscle fibers; axoaxonic synapses
C) the pupils; axoaxonic synapses
D) cardiac fibers; axo-dendritic synapses
E) the lungs; axo-dendritic synapses
Question 2
The muscle weakness associated with myasthenia gravis reflects
A) too many ACh receptors on cardiac muscles.
B) reduced ACh function in the basal forebrain.
C) loss of ACh receptors on skeletal muscles.
D) reduced ACh function in the dorsolateral pons.
E) an enhanced release of glycine onto spinal cord motoneurons.
Brain Diagram
The pineal gland is a part of the thalamus region of the brain. It secretes melatonin.
Responses of Muscle and Tendon Receptors
Brain Damage and Recognition of Facial Expressions of Emotion
Regions of the brain
Brain Areas Involved in Memory