The myelin sheath serves to ____________?

A. Break down epinephrine
B. Bypass the nodes of ranvier
C. Decrease the speed of natural transmission
D. Increase the speed of natural transmission

Comparatively speaking, ___________ has the most prominent cerebral cortex?

A. Alligator
B. Pigeon
C. Dog
D. Rabbit

The ___________ gland is an endocrine gland controlling growth and stimulating other endocrine glands?

A. Pituitary
B. Adrenal
C. Thyroid
D. Parathyroid

The frontal lobes are most likely to be highly active during ____________?

A. Auditory perception
B. Abstract problem solving
C. Visual perception
D. Walking

The fact that, during neural transmission, an impulse is sent to the end of the axon without fading or weakening is known as ___________?

A. Stimulus constancy
B. Absolute threshold retention
C. Nondecremental property
D. All-or-none property

In a right-handed individual, where is a Broca’s area most likely to be located?

A. Right hemisphere
B. Limbic system
C. Visual cortex
D. Left hemisphere

The lobes of the brain located in the back of the head are ____________?

A. Temporal lobes
B. Occipital lobes
C. Parietal lobes
D. Frontal lobes

The brain structure that plays a critical role in ‘motivated’ behaviors such as eating and sexual activity is the ___________?

A. Cerebral cortex
B. Amygdala
C. Corpus collosum
D. Hypothalamus

This is not the part of the peripheral nervous system ___________?

A. Parasympathetic system
B. Limbic system
C. Sympathetic system
D. Sensory neurons

Neurons generally cannot fire at rates exceeding 100 impulses per second. This maximum firing rate can be largely attributed to ____________?

A. Spatial summation
B. Relative refractory periods
C. Absolute refractory periods
D. Excitatory postsynaptic potentials