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micro ch9,10,11
exam 2
| Question | Answer |
|---|---|
| What is the difference between a saprophyte and a parasite? | when organisms depend on nonliving organic matter they are saprophytes. Organisms that depend on living matter for food their parasites. |
| List three beneficial uses for yeast | - Helps make beer, wine, breads vit B protein |
| What are the conditions necessary for growth of the yeast plant? | -Grown at room Temputure or in soil, some organisms grow as saprophytic molds need warmth, moisture, food. |
| What are molds? | - Molds are multicellular, filamentous fungi. |
| What conditions are needed for growth of molds? | warmth, moisture and darkness. |
| Where are molds found? | -molds found on breads, fruits, crops, wet, dark, moist warm areas and cheese |
| What are some diseases caused by molds? | - dermatophytes (ringworm and athletes foot |
| Why are molds belonging to the penicillium genus beneficial? | -because they make up penicillin |
| What does the amoeba use for movement? What is the type of movement called? | -Amoeba is a protozoa cell, it moves by extending cytoplasmic projections called amoeboid movement . Changes shape through. |
| How do protozoa differ from fungi? | - Fungi are plants and protozoa are animals |
| Where are protozoa found? | where ever Contamination is found |
| How are protozoa categorized-according to their method of movement? | - Classified as flagellates, amebia, sporazoa, ciliophora. |
| What are parasites? | -Organisms that nourishes themselves at the expense of others living things and cause damage |
| What is a host? | - a host is what a parasite receives nourishment from. |
| what harm can parasites cause? | -with an invasion or infestation, they cause diseases known as infections |
| Give an example of a part of the body that encourages the growth of parasites, and explain why. | -mucous membranes of the nose throat and respiratory tract because it’s warm, moist and dark |
| .) Name some insects that are parasites. | -body lice, head lice, fleas, mites, and ticks. |
| How do most worms enter the body? Give some examples of parasitic worms. | - ingested as microscopic eggs in contaminated food and water and later develop. Roundworm pinworms and hookworm are some parasitic worms |
| Which of the following is a protozoan causing genital infections? | -A- Trichinosis |
| .) Cats transmit_____ to children. | -A- Toxoplasmosis |
| Pseudopodia are _______D all of the above. | - A organelles of movement b false feet c. amoeboid projections. |
| each of the following procedures that prevent s or inhibit the growth of molds. | -A= store refrigerator D= keep air tight E= sterilize by boiling C= direct sunlight |
| .) Fungi that causes deep-seated pulmonary pulmonary or lung infections include____,_______ and________ | ________ HISTOPLASMOSIS, COCCIDIODES CRYPTOCOCCUS |
| Thrush is called by_______CANDIDA ALBICANS | CANDIDA ALBICANS |
| Where are bacteria found? | - Everywhere except sterile environments |
| .) How do bacteria differ from protozoa, yeast, and molds? | - Bacteria are the smallest |
| What name is given to useful bacteria? | - Non-pathogenic bacteria. |
| How are the useful bacteria important to us? | - they are useful for decomposing and improving soil, curing tea, coffee, cocoa and leather and making yogurt, cheese, and acidophilus milk. |
| What are harmful bacteria called? What makes them harmful? | -Pathogenic bacteria, they invade plant and animal tissue, secreting toxins into the host’s tissue |
| Why is the study of bacteria so essential for the health professional? | - Because bacteria growth is the greatest cause of infections and disease. |
| What measures can be taken by the health care professional to destroy bacterial growth? | -Aseptic procedures, sterilization, disinfection, and isolation techniques |
| Why are mycoplasmas said to be pheomorphic? | -because they can be more then one shape. |
| What conditions can mycoplasma pneumonia cause? | - Respiratory disease, ranging from mild upper respiratory to severe bilateral pneumonia. |
| .) Normal flora are considered to be bacteria that_____ | -B normal inhabitants of the body |
| Opportunistic pathogens are_________ | -C organisms, do not normally cause disease in humans |
| A common sexually transmitted disease, the organism that can cause blindness in newborns is_____ | - B neisseria gonorrhea |
| Nosocomial infections are those infections. | -B originate in hospital settings, from a invasive procedure |
| Escherichia coli is most frequently found in______ | - Urinary infections |
| ______ may be a complication of group A streptococcus | - Rheumatic fever |
| Lockjaw is caused by_______ | - Clostridium tetani/ tetanus |
Created by:
jmeo04
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