Review Questions

1.

A(n) ________ is a sudden, permanent change in a sequence of DNA.

1. allele
2. chromosome
3. epigenetic
4. mutation

2.

________ refers to a person’s genetic makeup, while ________ refers to a person’s physical characteristics.

1. Phenotype; genotype
2. Genotype; phenotype
3. DNA; gene
4. Gene; DNA

3.

________ is the field of study that focuses on genes and their expression.

1. Social psychology
2. Evolutionary psychology
3. Epigenetics
4. Behavioral neuroscience

4.

Humans have ________ pairs of chromosomes.

1. 15
2. 23
3. 46
4. 78

5.

The ________ receive(s) incoming signals from other neurons.

1. soma
2. terminal buttons
3. myelin sheath
4. dendrites

6.

A(n) ________ facilitates or mimics the activity of a given neurotransmitter system.

1. axon
2. SSRI
3. agonist
4. antagonist

7.

Multiple sclerosis involves a breakdown of the ________.

1. soma
2. myelin sheath
3. synaptic vesicles
4. dendrites

8.

An action potential involves Na⁺ moving ________ the cell and K⁺ moving ________ the cell.

1. inside; outside
2. outside; inside
3. inside; inside
4. outside; outside

9.

Our ability to make our legs move as we walk across the room is controlled by the ________ nervous system.

1. autonomic
2. somatic
3. sympathetic
4. parasympathetic

10.

If your ________ is activated, you will feel relatively at ease.

1. somatic nervous system
2. sympathetic nervous system
3. parasympathetic nervous system
4. spinal cord

11.

The central nervous system is comprised of ________.

1. sympathetic and parasympathetic nervous systems
2. organs and glands
3. somatic and autonomic nervous systems
4. brain and spinal cord

12.

Sympathetic activation is associated with ________.

1. pupil dilation
2. storage of glucose in the liver
3. increased heart rate
4. 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.

1. amygdala
2. hippocampus
3. hypothalamus
4. thalamus

14.

Damage to the ________ disrupts one’s ability to comprehend language, but it leaves one’s ability to produce words intact.

1. amygdala
2. Broca’s Area
3. Wernicke’s Area
4. occipital lobe

15.

A(n) ________ uses magnetic fields to create pictures of a given tissue.

1. EEG
2. MRI
3. PET scan
4. CT scan

16.

Which of the following is not a structure of the forebrain?

1. thalamus
2. hippocampus
3. amygdala
4. substantia nigra

17.

The two major hormones secreted from the pancreas are:

1. estrogen and progesterone
2. norepinephrine and epinephrine
3. thyroxine and oxytocin
4. glucagon and insulin

18.

The ________ secretes messenger hormones that direct the function of the rest of the endocrine glands.

1. ovary
2. thyroid
3. pituitary
4. pancreas

19.

The ________ gland secretes epinephrine.

1. adrenal
2. thyroid
3. pituitary
4. master

20.

The ________ secretes hormones that regulate the body’s fluid levels.

1. adrenal
2. pituitary
3. testes
4. thyroid