Sensory Organs and Nervous Systems

Question 1 (5 points) The choroid plexus in the ventricles is rich in blood vessels that produce Question 1 options: a) dopamine. b) keratin. c) new skin. d) CSF. Question 2 (5 points) Sympathetic nervous system activation can cause Question 2 options: a) an increase in digestion. b) an increased heart rate. c) decreased muscle activity d) a decreased heart rate. Question 3 (5 points) _______ receptors sense pressure. Question 3 options: a) Tactile b) Proprioceptor c) Spinal d) Pain Question 4 (5 points) Neurotransmitters carry impulses across the _______ between neurons. Question 4 options: a) myelin b) ganglion c) synapse d) neuroglia Question 5 (5 points) Meninges are the _______ membranes that line the bones that envelope the brain and spinal cord. Question 5 options: a) 20 b) three c) 25 d) 10 Question 6 (5 points) The _______ is the basic unit of the nervous system. Question 6 options: a) neuron or nerve cell b) blood c) plasma d) cerebral spinal fluid Question 7 (5 points) Myasthenia gravis is a rare Question 7 options: a) disease that causes muscular deterioration. b) disease that affects about 90 percent of people in the world. c) form of cancer. d) disease that causes heart weakness. Question 8 (5 points) Myelin is a substance that covers Question 8 options: a) plaque. b) arteries in the heart. c) axons in the nervous system. d) amyloid. Question 9 (5 points) The diencephalon is a major part of the Question 9 options: a) brain. b) heart. c) GI tract. d) liver. Question 10 (5 points) The main function of cerebrospinal fluid is to Question 10 options: a) form a layer of protection. b) produce blood cells. c) transmit nerve impulses. d) fight infections. Question 11 (5 points) A migraine is typically accompanied by which of the following symptoms? Question 11 options: a) Diarrhea b) Vomiting c) Sensitivity to light and sound d) Nausea Question 12 (5 points) Which of the following medications are mood stabilizers used to treat bipolar disorder? Question 12 options: a) Sertraline (Zoloft) b) Fluoxetine (Prozac) c) Oxcarbazepine (Trileptal) d) Valproic acid (Depakene) e) Lithium (Eskalith) Question 13 (5 points) Which of the following are considered to be the four hallmark signs of Parkinson’s disease? Question 13 options: a) Slowing of movements b) Inflammation of the myelin sheath c) Muscular stiffness d) Resting tremor e) Impaired postural reflexes Question 14 (5 points) Which of the following structures make up the central nervous system? Question 14 options: a) Cranial nerves b) Peripheral nerves c) Spinal cord d) Brain Question 15 (5 points) Which of the following medications are commonly used to treat multiple sclerosis? Question 15 options: a) Cefotaxime (Claforan) b) Azathioprine (Imuran) c) Glatiramer (Copaxone) d) Acyclovir (Zovirax) Question 16 (5 points) Which of the following are considered “negative symptoms” of schizophrenia? Question 16 options: a) Reduced expression b) Delusion c) Hallucination d) Lack of interest e) Social withdrawal