Chapter 15 Chemical Control of the Brain and Behavior

Chapter Fifteen Chemical Control of the Brain and Behavior

1. Which of the following structures is known as the "true master gland of the endocrine
system"? Choose the correct option.
A) Anterior pituitary
B) Hypothalamus
C) Adrenal glands
D) Thyroid glands


2. Where are the lower motor neurons of the autonomic nervous system located? Choose
the correct option.
A) Autonomic ganglia
B) Brain stem
C) Ventral horn
D) Ventricular zone


3. Which of the following are the targets of the ANS? Choose the correct option.
A) Smooth muscle, cardiac muscle, and glands
B) Skeletal muscle fibers
C) Periventricular zone of the hypothalamus
D) The pituitary gland


4. How does the locus coeruleus (LC) make the neurons of the cerebral cortex more
responsive to salient sensory stimuli? Choose the correct option.
A) Increasing sensitivity at the neuromuscular junction
B) Recruiting more LC neurons
C) Inhibiting neurons of the raphe nuclei
D) Speeding information processing by the point-to-point sensory and motor systems


5. Which two neurohormones are released into the bloodstream by the magnocellular
neurosecretory cells? Choose the correct option.
A) Angiotensin I and angiotensin II
B) Cortisol and adrenalin
C) Oxytocin and vasopressin
D) Renin and ADH


6. By what means does the hypothalamus control the posterior pituitary gland? Choose the
correct option.
A) Parvocellular neurosecretory cells
B) Hypo-thalamo-pituitary portal circulation
C) Magnocellular neurosecretory cells
D) Hypophysiotropic hormones

, Page 1