Immune System: Practice Questions #1, Schemes and Mind Maps of Immunology

Download Immune System: Practice Questions #1 and more Schemes and Mind Maps Immunology in PDF only on Docsity! Immune System: Practice Questions #1 1. An individual who has had chicken pox rarely gets the disease again. This situation is an example of A. biological control B. negative feedback C. active immunity D. passive immunity 2. One similarity between cell receptors and antibodies is that both A. are produced by nerve cells B. are highly specific in their actions C. slow the rates of chemical reactions D. are involved in digestion 3. If a human system fails to function properly, what is the most likely result? A. a stable rate of metabolism B. a disturbance in homeostasis C. a change in the method of cellular respiration D. a change in the function of DNA 4. The diagram below represents what can happen when homeostasis in an organism is threatened. Which statement provides a possible explanation for these events? A. Antibiotics break down harmful substances by the process of digestion. B. Some specialized cells mark and other cells engulf microbes during immune reactions. C. Embryonic development of essential organs occurs during pregnancy. D. Cloning removes abnormal cells produced during differentiation. 5. Which statement does not describe an example of a feedback mechanism that maintains homeostasis? A. The guard cells close the openings in leaves, preventing excess water loss from a plant. B. White blood cells increase the production of antigens during an allergic reaction. C. Increased physical activity increases heart rate in humans. D. The pancreas releases insulin, helping humans to keep blood sugar levels stable. 6. Antibody molecules and receptor molecules are similar in that they both A. control transport through the cell membrane B. have a specific shape related to their specific function C. remove wastes from the body D. speed up chemical reactions in cells 7. A function of white blood cells is to A. transport oxygen to body cells B. produce hormones that regulate cell communication C. carry glucose to body cells D. protect the body against pathogens 8. Which activity would stimulate the human immune system to provide protection against an invasion by a microbe? A. receiving antibiotic injections after surgery B. choosing a well-balanced diet and following it throughout life C. being vaccinated against chicken pox D. receiving hormones contained in mother’s milk while nursing 9. Certain microbes, foreign tissues, and some cancerous cells can cause immune responses in the human body because all three contain A. antigens B. enzymes C. fats D. cytoplasm