1. The human brain grows after birth because of
A) synaptogenesis. B) myelination. C) increased dendritic branching. D) all of the above E) none of the above
2- Symptoms of Alzheimer's disease include
A) neuron loss. B) severe dementia. C) neurofibrillary tangles. D) all of the above E) both A and B
3- In mammals, regenerating PNS axons are guided to their correct destinations by __________ cells.
4- What percentage of amputees experience chronic, severe phantom-limb pain?
A) about 0.5% B) about 1.0% C) about 1.5% D) about 50% E) about 95%
5- When neuron A repeatedly fires neuron B, some change occurs that increases the efficiency with which A fires B. This statement is
A) Occam's razor. B) the principle of serendipity. C) Racine's rule. D) Hebb's postulate for learning. E) Nadel's nostrum.
6- As fat accumulates in the body, energy is wasted through a mechanism called diet-induced __________.
7- Which hormone is released by the testes but not by the ovaries?
A) testosterone B) progesterone C) estradiol D) androstenedione E) none of the above
8- Releasing hormones are released into the
A) gonads. B) posterior pituitary. C) hypothalamopituitary portal system. D) ventricles. E) adrenal cortex