Review Questions
1. A(n) ________ is a sudden, permanent change in a sequence of DNA.
- allele
- chromosome
- epigenetic
- mutation
2. ________ refers to a person’s genetic makeup, while ________ refers to a person’s physical characteristics.
- Phenotype; genotype
- Genotype; phenotype
- DNA; gene
- Gene; DNA
3. ________ is the field of study that focuses on genes and their expression.
- Social psychology
- Evolutionary psychology
- Epigenetics
- Behavioral neuroscience
4. Humans have ________ pairs of chromosomes.
- 15
- 23
- 46
- 78
5. The ________ receive(s) incoming signals from other neurons.
- soma
- terminal buttons
- myelin sheath
- dendrites
6. A(n) ________ facilitates or mimics the activity of a given neurotransmitter system.
- axon
- SSRI
- agonist
- antagonist
7. Multiple sclerosis involves a breakdown of the ________.
- soma
- myelin sheath
- synaptic vesicles
- dendrites
8. An action potential involves Na+ moving ________ the cell and K+ moving ________ the cell.
- inside; outside
- outside; inside
- inside; inside
- outside; outside
9. Our ability to make our legs move as we walk across the room is controlled by the ________ nervous system.
- autonomic
- somatic
- sympathetic
- parasympathetic
10. If your ________ is activated, you will feel relatively at ease.
- somatic nervous system
- sympathetic nervous system
- parasympathetic nervous system
- spinal cord
11. The central nervous system is comprised of ________.
- sympathetic and parasympathetic nervous systems
- organs and glands
- somatic and autonomic nervous systems
- brain and spinal cord
12. Sympathetic activation is associated with ________.
- pupil dilation
- storage of glucose in the liver
- increased heart rate
- both A and C
13. The ________ is a sensory relay station where all sensory information, except for smell, goes before being sent to other areas of the brain for further processing.
- amygdala
- hippocampus
- hypothalamus
- thalamus
14. Damage to the ________ disrupts one’s ability to comprehend language, but it leaves one’s ability to produce words intact.
- amygdala
- Broca’s Area
- Wernicke’s Area
- occipital lobe
15. A(n) ________ uses magnetic fields to create pictures of a given tissue.
- EEG
- MRI
- PET scan
- CT scan
16. Which of the following is not a structure of the forebrain?
- thalamus
- hippocampus
- amygdala
- substantia nigra
17. The two major hormones secreted from the pancreas are:
- estrogen and progesterone
- norepinephrine and epinephrine
- thyroxine and oxytocin
- glucagon and insulin
18. The ________ secretes messenger hormones that direct the function of the rest of the endocrine glands.
- ovary
- thyroid
- pituitary
- pancreas
19. The ________ gland secretes epinephrine.
- adrenal
- thyroid
- pituitary
- master
20. The ________ secretes hormones that regulate the body’s fluid levels.
- adrenal
- pituitary
- testes
- thyroid