Quiz- Chapter 2

4. Which of the following statements is true of neurotransmitters? a. "Loose" neurotransmitters are held by synapses before being released into the synaptic fluid. b. Once released by the synaptic vesicles, all the molecules of a neurotransmitter find their way into receptor sites. c. Neurotransmitters have identical chemical structures that can fit into any receptor site. d. "Loose" neurotransmitters are either broken down or reabsorbed by the axon terminal.

"Loose" neurotransmitters are either broken down or reabsorbed by the axon terminal.

8. During puberty, __________ stokes the growth of muscle and bone and the development of primary and secondary sex characteristics in a male body. a. testosterone b. estrogen c. norepinephrine d. vasopressin

A. Testosterone

1. _________ form a fatty substance called myelin. a. Red blood cells b. Glial cells c. Neurotransmitters d. White blood cells

B. Glial cells

5. The __________ lies below the hypothalamus and is dubbed the "master gland." a. corpus callosum b. pituitary gland c. reticular formation d. limbic system

B. Pituitary gland

9. Paul is a 55-year-old man who has been having some difficulty recalling important details. On visiting a doctor, he was told that he was in the early stages of Alzheimer's disease. The deficiency of __________ is most likely to be linked to Paul's condition. a. gamma-aminobutyric acid b. prolactin c. acetylcholine d. serotonin

C.

7. Which of the following best describes association areas? a. Areas of the limbic system that are primarily involved in motor activity. b. The part of the parietal lobe that acts as the brain's executive center. c. Areas of the cerebral cortex that are not primarily involved in sensation or motor activity. d. The left and right hemispheres of the brain that duplicate each other's functions.

C. Areas of the cerebral cortex that are not primarily involved in sensation or motor activity.

2. A __________ takes several X-rays to reveal deformities in shape and structure that are connected with blood clots, tumors, and other health problems. a. complete blood count test b. magnetoencephalography scan c. computerized axial tomography scan d. radio frequency identification system

C. Computerized axial tomography scan

10. Angelica is pregnant and has just gone into labor. Her body is most likely flooded with ________. a. GABA b. adrenocorticotrophic hormone c. melatonin d. oxytocin

D. Oxytocin

3. The _______ is the part of the nervous system that is involved with sensory and motor neurons. a. autonomic nervous system b. somatic nervous system c. central nervous system d. peripheral nervous system

D. Peripheral nervous system

6. The _______ is the branch of the autonomic nervous system that is most active during when you are scared. a. parasympathetic division b. somatic division c. central nervous system d. sympathetic division

D. Sympathetic division