Chapter 3 Quiz Questions – Flashcards

A(n) ___ is a sudden, permanent change in a sequence of DNA. A. allele B. chromosome C. epigenetic D. mutation

___ refers to a person's genetic makeup, while ___ refers to a person's physical characteristics. A. Phenotype; genotype B. Genotype; phenotype C. DNA; gene D. Gene; DNA

___ is the field of study that focuses on genes and their expression. A. Social psychology B. Evolutionary psychology C. Epigenetics D. Behavioral neuroscience

Humans have ___ pairs of chromosomes. A. 15 B. 23 C. 46 D. 78

The ___ receive(s) incoming signals from other neurons. A. soma B. terminal buttons C. myelin sheath D. dendrites

A(n) ___ facilitates or mimics the activity of a given neurotransmitter system. A. axon B. SSRI C. agonist D. antagonist

Multiple sclerosis involves a breakdown of the ___. A. soma B. myelin sheath C. synaptic vesicles D. dendrites

An action potential involves Na+ moving ___ the cell and K+ moving ___ the cell. A. inside; outside B. outside; inside C. inside; inside D. outside; outside

Our ability to make our legs move as we walk across the room is controlled by the ___ nervous system. A. autonomic B. somatic C. sympathetic D. parasympathetic

If your ___ is activated, you will feel relatively at ease. A. somatic nervous system B. sympathetic nervous system C. parasympathetic nervous system D. spinal cord

The central nervous system is comprised of ___. A. sympathetic and parasympathetic nervous systems B. organs and glands C. somatic and autonomic nervous systems D. brain and spinal cord

Sympathetic activation is associated with ___. A. pupil dilation B. storage of glucose in the liver C. increased heart rate D. both A and C

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. A. amygdala B. hippocampus C. hypothalamus D. thalamus

Damage to the ___ disrupts one's ability to comprehend language, but it leaves one's ability to produce words intact. A. amygdala B. Broca's Area C. Wernicke's Area D. occipital lobe

A(n) ___ uses magnetic fields to create pictures of a given tissues. A. EEG B. MRI C. PET scan D. CT scan

Which of the following is not a structure of the forebrain? A. thalamus B. hippocampus C. amygdala D. substantia nigra

The two major hormones secreted from the pancreas are: A. estrogen and progesterone B. norepinephrine and epinephrine C. thyroxine and oxytocin D. glucagon and insulin

The ___ secretes messenger hormones that direc the function of the rest of the endocrine glands. A. ovary B. thyroid C. pituitary D. pancreas

The ___ gland secretes epinephrine. A. adrenal B. thyroid C. pituitary D. master

The ___ secretes hormones that regulate the body's fluid levels. A. adrenal B. pituitary C. testis D. thyroid