Take Practice Test: On a separate sheet of paper write down numbers 1-34. 1. 2. 3. through 34. Indicate which ones you got correct with + or -. Use the grade breakdown to check your score.
This is the Benchmark Grade Breakdown Grade # Correct Points Earned A 32-34 96-102 B 29-31 87-93 C 24-28 72-84 D 20-23 60-69 F 0-19 0-57
Standard 9D&9E Electrochemical Impulse & Neurons
1. (9d) Identify the cell below A.Cell Body B. Axon C. Dendrite D. Neuron
2. (9d) What is the function of the cerebrum? A. controls conscious and voluntary activities of the body. B. controls heart rate. C. controls blood pressure. D. controls breathing. Controls muscle coordination and homeostasis. Controls thought and conscious movements Receives messages from sense organs and causes appropriate response. Thalamus Hypothalamus Controls and analyzes hunger,thirst, fatigue, anger & body temperature. Medulla Oblongata Controls involuntary body movements like heart beat, breathing, digestion etc.
3. (9d)What is the function of the central nervous system? A. To relay messages B. To process information C. To analyze information D. all of the above
4. (9e) Neurons are categorized by the A.direction in which they carry impulse. B. amount of metabolic activity takes place. C. number of impulses or dendrites that branch out.
5. (9d) What is the function of the neurotransmitters? A. to transmit nerve impulses through the dendrites. B. to stimulate the production of epinephrine. C. to transmit nerve impulses across synapses. D. none of the above
6. (9e) Sensory receptors that are sensitive to chemicals are found in the A. Skin,body core & hypothalamus. B. Skin, skeletal muscles & ears C. Eyes. D. Nose and taste buds.
7. (9e) In the reflex arc or action illustrated in the diagram below. What does X represent? A. Sensory Neuron B. Motor Neuron X C. Interneuron D.Parasympathetic Nervous System
8. 9d Which of the following best describes the direction and sequence of movement of a traveling nerve impulse? A. axon,cell body,dendrites,synapse B. dendrites,cell body,axon,synapse C. dendrites,axon,cell body,synapse D. Cell body,dendrites,synapse,axon
9. (9e) C represents which type of nerve? B A C A. Sensory Neuron B. Motor Neuron C. Interneuron D.All of the above
Standard 9B & 9C Endocrine Feedback System
10. 9B Which system coordinates the body s response to changes in its internal and external environment? A. Endocrine System B. Nervous System C. Lymphatic System D. Both A & B
11. (9c) Which gland fails to produce enough of its hormone in the disease diabetes mellitus? A. adrenal B. hypothalamus C. pancreas D. parathyroid
12. 9C Feedback inhibition means that an increase in a substances will A. Stop production of another substance B. Increase the production of another substances C. Increase production of that substance D. Decrease production of that substance
13. 9C Which process enables the body to maintain a stable body temp? A. The parasympathetic nervous system B. The sumpathetic nervous system C. Feedback inhibition D. Action potential
14. 9B The ability to move your right hand is controlled by the A. Left hemisphere of the cerebrum B. Right hemisphere of the cerebrum C. Both the left and right hemisphere of the cerebrum D. Neither hemisphere of the cerebrum
15.9C Which system in a human is responsible for producing hormones from glands, to regulate metabolism, growth, and sexual development? A. Circulatory B. Digestive C. Endocrine D. Respiratory
Standard 9A Nutrients & Waste Removal
16. (9a) The ( ) is not necessary for removing urea from the body. Circulatory system liver heart kidney
17. (9a) Which of the following is the correct order of nutrient (food) flow from the mouth to the cells? A.Mouth, esophagus, small intestine, stomach, cells & bloodstream. B.Mouth, trachea, esophagus, stomach, large intestine, small intestine & colon. C.Mouth, stomach, large intestine, bloodstream & cells. D.Mouth, esophagus, stomach, small intestine, bloodstream & cells.
18. (9a) Carbon dioxide is Not removed from the the body through which of the following? Circulatory system Lungs Excretory System kidney The Order of Air Flow in Lungs Nose & Mouth Pharynx Larynx Trachea Bronchus Bronchioles Alveoli
Standard 10A & 10D Viruses & Bacteria 1 st Line of Defense
19. (10a) is an enzyme found on the skin, in the saliva and in tears that kills bacteria by breaking down their cell wall. A.Antigens B.Amylase C.Lysozymes D.Lysosomes
20. (10a) Which of the following is not a way that the skin acts as a nonspecific defense against disease? A.Production of sweat B.Forms an outer layer C.Production of antibodies D.Production of lysozymes
21. (10a) The body s first line of defense against disease is? A.Killer T Cells B.Antibodies C.The skin D.Interferon E.Roving macrophages
22. (10d) Unlike lytic viruses, lysogenic viruses do NOT A.Injected their genetic material into the host cell. B.Enter the lytic cycle. C.Lyse the host cell right away. D.Infect host cells.
23. (10d) Antibiotics are used to treat infectious diseases caused by A.fungi B.viruses C.bacteria D.Bacteria & viruses
24. (10d) Interferon is a natural chemical used primarily to fight infections. A.fungal B.viral C.bacterial D.Bacterial & viral
25. (10d) The cell structure below is a A.Plant Cell B.Virus C.Animal Cell D.Bacteriophage E.Bacterial Cell
Standard 10B & 10C The Lines of Defense Against Viruses & Bacteria
26. (10c) A vaccine contains A.Antibodies B.Dying or weak viruses C.antibiotics D.Fully potent fungus tissue
27. (10b) Which of the following is the function of antibodies in the immune response? A.Antibodies produce antibiotics. B.Antibodies attach to antigens and attract phagocytes which engulf & destroy the antigen. C.Antibodies produce interferon.
28. (10c) An infectious disease is one caused by A.Heredity B.Materials in the environment C.Pathogens E D.Hemophilia
29. (10c) A person who has received a vaccine against polio A.Is able to produce antibodies against polio. B.Has polio antibodies in the blood. C.Has antipolio killer T cells in blood. D.Is more susceptible to the polio virus than someone who has not had the vaccine.
Standard 10E & 10F HIV & The Immune Response
30. (10f) Cells that are directly responsible for the production of antibodies are A.Red Blood Cells B.Phagocytes C.T-cells D.B-cells
31. (10e) HIV weakens the immune system by killing A.Antibodies B.B Cells C.Helper T Cells D.Killer T Cells Copy Humoral Immunity Step 6: Macrophage Helper T cell assists the activated B cell to develop into an antibodyproducing plasma cell.
32. (10e) HIV spreads through the body by A. Replicating inside the cells of the immune system. B.Preventing the body from producing antibodies against HIV. C.Causing the body to have asthma attacks. D.Strengthening the immune system.
33. (10e) Zidovudine (AZT) is a drug that stops an enzyme that HIV needs to multiply. What effect would you expect AZT to have on the number of T cells in an HIVinfected person s blood and immune system? A.AZT should increase T cells. B.AZT should decrease T cells. C.AZT has no effect on T cells because it decreases plasma cells.
34. (10e) White blood cells that bind to infected cells and secrete chemicals that disrupt the cell membranes of these cells are termed A. Helper T-cells B. Killer T-cells C. Macrophages D. plasma Cells
Body Systems Practice Test 1. D 11. C 21. C 31. C 2. A 12. D 22. C 32. A 3. D 13. C 23. C 33. A 4. A 14. A 24. B 34. B 5. C 15. C 25. E 6. D 16. B 26. B 7. C 17. D 27. B 8. B 18. D 28. C 9. A 19. C 29. A 10. D 20. C 30. D