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micro ch9,10,11

exam 2

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
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