Anatomy and Physiology Questions

which staining is used for Mycobacterium, which have unique lipids such as waxy mycolic acid in their cell walls?" gram staining acid fast staining simple staining negative staining capsular kitaining

Which of the following characteristics apply to Salmonella serotypes? they can cause skin infections the causative agent is Shigella enteric they can be transmitted by food Shigella typhi causes typhoid

Good control of diseases spread by fecal contamination of food or water is best achieved vaccination of the majority of the population improved sanitation sewers and water purification vector control prompt tracing of sexual contacts of those infected

An eukaryotic microbial gene always encodes a protein product (i.e lack introns) True False

The typical termperature for pasteurization is 1210C 1000C 630C 730C 2000C

Give the best match for each of these scientist's most famous discovery? Ignaz Semmelweis John Snow Louis Pasteur Joseph Lister A. Washing hands with chlorine water B.. tracing origin of disease outbreak C. pasteurizing milk D. Disinfecting surgery sites

In the preparation of human DNA fragments for making recombinant DNA, the first step is to use a(an) ___ to cut the fragment from a chromosome figase (glue enzyme) restriction endonuclease (scissors enzyme) DNA polymerase (replication enzyme) all of these

nebiotics are generally not of much value in the treatment of botulism caused by Clostridium botulinum since the infected person is intoxicated rather than infected True False

How do all these folds increase the surface area and the absorption capacity of the small intestine? Observe the slide of the small intestine on display and draw a few representative villi, columnar epithelial cells on the villi and goblet cells and label them (Fig. 8). Goblet cells are glandular simple columnar epithelial cells whose sole function is to secrete mucin, which dissolves in water to form mucus.

Name some foods that are a good source of: a. Carbohydrates: b. Proteins: c: Lipids:

Which of the following these causes meningococcal meningitis? Haemophilus influenzae Cochidioides immitis Cryptococcus neoformans Streptococcus pneumoniae Neisseria meningitides

Which of the following is not true of schistosomiasis? Larvae called cercariae can invade intact skin Snail is the definitive host Worms can invade the brain Caused by salivary flukes

The complement system of blood proteins that acts to lyse foreign cells and viruses is an example of specific immunity non specific immunity memory immunity none of these

An antimicrobial agent that can be used as an antifungal drug because of its ability to bind to sterols in the membrane and change membrane fluidity is streptomycin tifampin amphotericin penicillin none of these Wake Up

Which one of these is sometimes considered as the fifth sign and symptom of inflammation Redness loss of function Swelling Pain Warmth

Spirochetes have appendages called axial filaments that they utilize for attachment to surfaces locomation axial filaments conjugation protection

Cytotoxic T cells Secrete antibodies Function in allergic reactions Directly destroy target cells Activate B cells and other T cells Suppress immune reactions

e. Final breakdown and absorption of food: Completion of the breakdown of food and absorption of nutrients happen in the small intestine. Based on all the labs that you have done so far, what will a cell need a lot of to absorb monomers fast into the cells?...............

Write the two equations for lipids digestion:mst mol Physical breakdown: Enzymatic breakdown:

Explain why the first step of lipid digestion is known as a physical breakdown.

An antibiotic that disrupts the hosts normal biota can cause superinfection True False

Dysentery is most commonly contracted through Fecal oral route from contaminated food or water Direct transmission from one host to another Insect bites all of these

Match the following microbial control merthods with appropriate examples antisepsis decontamination sterilization disinfection A. ethylene oxide B. U.V exposure C. HEPA air filters D. betadine swab

Which of the followimg is a protective feature of the skin? Keratinized surface Non-Resident biota Low salt content High pH

"Cultures of a bacterial species were incubated on the shelf of a refrigerator, out on a lab bench top, on the shelf of a 37° C incubator and on the shelf of a 65° C incubator. After incubation, there was no growth at refrigeration and slight growth on the bench top and at 65° and abundant growth at at 37° C. What term could be used for this species?" Psychrophiles Mesophiles Thermophiles Acidophiles

"When bacteria are cultivated in the presence of an antibiotic and a resistant clone arises, the ___ selected for a cell carrying a ___ conferring antibiotic resistance bacteria; mutation antibiotic; mutation mutation; bacteria mutation; antibiotic

An antibiotic that can be effective against gram positive and negative species is likely to be: narrow spectrum natural broad spectrum competitive inhibitor

In this assignment, you will conduct research to understand your city and state laws on underage alcohol use and driving under the influence, as well as the consequences for breaking those laws. You will complete a decision-making process document in order to respond to the prompt. In 2-3 paragraphs, use the information you learned about your city and state laws to evaluate the consequences of underage drinking on individuals and their families. Include links to any information you gathered.

The time between exposure to a pathogen and the appearance of symptoms is called the virulent period incubation period contagious interva symptomatic period all of these

Which of the following has an oligodynamic property? Phenol silver amalgam hydrogen peroxide ethyl alcohol

Which of the following is a mechanical vector? House fly Anopheles mosquito chronic carriers zoonosis soil

Match the following microbial organelles/macromolecules with appropriate examples of antibiotics targeting synthesis of that organelie/macromolecule DNA synthesis RNA synthesis cell wall protein synthesis & Moving to another question will save A. amoxillin B. doxycline C. ciprofloxacin D. rifampin

How does saliva help us taste our food

Chagas disease is most commonly contracted through Fecal oral route from contaminated food or water Direct transmission from one host to another Puncture wounds Insect bites

Which of the following has an oligodynamic property? gold foil mercury silver amalgam all of these

Plasma (B) cells are those leukocytes that function in the production of antibodies as phagocytes in body resistance as manufacturers of coagulase to neutralize acidic environments all of these

Which of the following modes of action would be most selectively toxic? Interrupting ribosomal function Preventing cell wall synthesis Dissolving the cell membrane Inhibiting DNA replication

The predominant microorganism in the female reproductive tract during childbearing years is Corynebacterium Staphylococcus Lactobacillus E. coli Candida albicans

Large foreign molecules that are too big by themselves to elicit an immune response may be attached to a host macromolecule to generate an antigenic response True False

John inoculated about 10 cells into a broth media. Assuming a generation time of 20 minutes, estimate the number of cells after 4 hours and 20 minutes" 10240 327680 163840 655360 81920

Theophylline is a(n). antacid antiarrhythmic Obronchodilator corticosteroid

Excessive consumption of alcohol results in cirrhosis of the liver. Why do you think people begin drinking and get hooked on alcohol? Do you know someone with this disease, and have you tried helping someone who is an alcoholic? Were you successful? How?

Hematocrit is usually about ________ %. 45 55 15 95

The hematocrit is the percentage of the volume of a blood sample made up of platelets. plasma. red blood cells. white blood cells.

An increase in the numbers of red blood cells that makes the blood too viscous is polycythemia. hemorrhagic anemia. pernicious anemia. hemolytic anemia.

Which of the following is NOT a granular leukocyte? Basophil Neutrophil Monocyte Eosinophil

is an increased rate of red blood cell destruction. Pernicious anemia Leukopenia Aplastic anemia Hemolytic anemia

Which type of white blood cell is the first to respond to an infection? Basophil Neutrophil Monocyte Eosinophil

Which type of leukocyte has granules that release histamine and heparin? Neutrophil Basophil Lymphocyte Monocyte

Which type of leukocyte will enlarge in the tissues and become macrophages? Neutrophils Eosinophils Monocytes Lymphocytes