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MICROBIOLOGY MIDTERM QUESTIONS WITH CORRECT AND VERIFIED ANSWERS 2025 - JERSEY COLLEGE REVISED
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(ch.1) One type of microscope that provides a three-dimensional image of a specimen is a - correct answers Scanning Electron Microscope (ch.1) One type of microscope capable of observing living microorganisms is the: - correct answers Phase-Contrast Microscope (ch.1) Which scientist is most responsible for ending the controversy about spontaneous generation? - correct answers Louis Pasteur (ch.1) Fossils of prokaryotes go back: - correct answers 3.5 to 4.0 Billion years (ch.1) A(n) ____________ is not a microorganism. - correct answers Insect (ch.1) The order of the taxonomic category is: - correct answers Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species (ch.1) Complex communities of microorganisms on surfaces are called: - correct answers Biofilms (ch.1) A relationship between organisms in which the waste product of one provides nutrients for another is called: - correct answers Mutualism
(ch.1) Which of the following site of the human body does NOT have a normal flora?Intestine, skin, vagina or blood - correct answers Blood (ch.1) The following industries uses microorganisms: - correct answers Chemical, Wine, Cheese and other food productions, Alcohol, Pharmaceutical Agents, Agriculture, Water Supply Treatment (ch.1) All bacteria are: - correct answers Prokaryotic cells (ch.1) Cells that contain a nucleus are: - correct answers Eukaryotic Cells (ch.1) The taxonomic resource for bacteria is the: - correct answers Bergen's Manual (ch.1) The proteins implicated in spongiform encephalopathy are: - correct answers Prions (ch.1) The cleanup of different industrial waste is referred to as: - correct answers Bioremediation (ch.2) The atomic number equals the number of: - correct answers Protons (ch.2) A chemical bond in which electrons are equally shared is a: - correct answers Non polar Covalent Bond
(ch.2) An atom with same number of protons but a different number of neutrons is called a: - correct answers Isotope (ch.2) A positively charged ion is a: - correct answers Cation (ch.2) The breakdown of large molecules into smaller ones in the presence of water is called: - correct answers Hydrolysis (ch.2) Molecules that can absorb hydrogen ions are: - correct answers Buffers (ch.3) Which of the following is NOT found in all bacterial cells: ribosomes, capsule, plasma membrane, or DNA - correct answers Capsule (ch.3) Bacterial capsules are important in: - correct answers Survival (ch.3) The cell organelles responsible for the packaging of proteins are the: - correct answers Golgi Complexes (ch.3) The cell organelle found only in algae and plant cells and is necessary for photosynthesis is the: - correct answers Chloroplasts (ch.3) The intracellular fluid has a high concentration of: - correct answers Potassium
(ch.3) ________________________ is an active transport mechanism. - correct answers Pinocytosis (ch.3) _____________________ is an enzyme. - correct answers Ligase (ch.3) The compound that enters the Krebs cycle and combines with oxaloacetic acid is:
- correct answers Acetyl-CoA (ch.3) The anticodons are located in: - correct answers tRNA (ch.3) In which phase of mitosis do the chromatids separate? - correct answers Anaphase (ch.3) Cells without a nucleus are: - correct answers Prokaryotic (ch.3) The sterol-like molecules in bacterial plasma membranes are: - correct answers Hopanoids (ch.3) A cell organelle that contains digestive enzymes is a - correct answers Lysosome
(ch.21) Which of the following is used in the determination of a drug dose response; time of administration, onset of drug effect, normal frequency distribution, or peak effect time. - correct answers Normal Frequency Distribution (ch.21) When the drug receptors are maximally activated, this is referred to as the: - correct answers Peak Effect (ch.21) A subacute toxic effect occurs when the adverse drug effect occurs: - correct answers After Repeat Exposure for days (ch.21) The specific antidote to botulinum toxin is: - correct answers Antitoxin (ch.21) The body's metabolism of drugs is called: - correct answers Biotransformation (ch.21) The study of the body's response to poisons and their harmful effect is referred to as: - correct answers Toxicology (ch.21) Drug administration, absorption, distribution, and clearance are collectively called: - correct answers Pharmacokinetics (ch.21) The ED 50 is a measure of the: - correct answers Dose response
(ch.21) The federal agency that approves the use of a specific drug is the: - correct answers FDA (ch.6) Straight, rod-shaped bacteria, some of which are endospore forming, are referred to as: - correct answers Bacili (ch.6) Beadlike chain of cocci formed after cell division along single axis are called: - correct answers Streptococci (ch.6) Bacteria that use oxygen, but only a t low concentration, are classified as: - correct answers Microarophiles (ch.6) Bacteria that use organic compounds for both the source of carbon and energy are referred to as - correct answers Chemoheterotrophs (ch.6) Microorganisms that show optimal growth at moderate temperatures (25 - 40 degrees C) are called - correct answers Mesophiles (ch.6) A mutation that involves the deletion or insertion of one or more basis is a: - correct answers Frameshift mutation (ch.6) Treponema pallidum and Borrelia burgdorferi belong to the group of: - correct answers Spirochetes
(ch.7) Viral capsomeres are composed of sub-units called: - correct answers Protomeres (ch.7) According to the Balitmore classification system, RNA viruses belong to: - correct answers Groups II, IV, V (ch.7) A phage in a repressed stage is referred to as a(n): - correct answers Prophage (ch.7) The sequence of stages in the multiplication of animal viruses is: - correct answers Adsorption, penetration, uncoating, replication, assembly, release. (ch.7) A persistent infection that is not lytic but productive is called a: - correct answers Chronic infection (ch.7) All of the following are cytopathic effects as a result of a viral infection except: altered shape, lysis, change in antigens, or membrane fusion? - correct answers Change in antigen (ch.7) Which of the following viruses belong to the family Herpesviridae: Epstein-Barr virus, SARS-CoV, Poxvirus, HIV - correct answers Epstein-Barr virus (ch.7) Transmissible spongiform encephalopathies are caused by: - correct answers Prions
(ch.7) A virus that infects bacteria is referred to as a (an) - correct answers bacteriophage/ simply phage (ch.7) Kaposi's sarcoma is caused by human herpesvirus number - correct answers 8 (ch.7) Members of Picornaviridae are _______ viruses - correct answers RNA (ch.7) A fully assembled virus is called a (an) - correct answers Virion (ch.7) Group VI viruses according to the Baltimore classification system include the families Metaviridae, Pseudoviridae, and ____ - correct answers Retroviridae (ch.9) _________________ symbiosis benefits both members. - correct answers Mutualism (ch.9) The mold that produces penicillin is an example of : - correct answers Amenalism (ch.9) The presence of microbes in or on the body is a: - correct answers Contamination (ch.9) All of the following areas of the human body contain normal flora except the: peritoneum, urethra, vagina or mouth - correct answers Peritoneum
(ch.9) A microorganism capable of causing disease is called a(an)____ - correct answers Pathogen (ch.9) A vector that transmits pathogens and also serves as host for a part of the pathogen's life cycle is a(an) _______vector - correct answers Biological Vector (ch.9) A worldwide epidemic is considered a - correct answers Pandemic OSHA is a division of the - correct answers U.S. Department of Labor (ch.5) There are ___________ levels of biosafety depending on the organism handled. - correct answers 4 (ch.5) The biosafety level necessary in water-testing facilities is level: - correct answers 1 (ch.5) Which of the following bacteria should be handled in biosafety level 2 facility: micrococcus leteus, bacillus subtilis, salmonella, staphylococcus epidermidis? - correct answers Salmonella (ch.5) Agents associated with human disease, but generally not a serious health risk, are classified in: - correct answers RG
(ch.5) Ebola viruses need to be handled in - correct answers BSL- 4 (ch.5) Fires from flammable metals require type _________ fire extinguishers - correct answers D (ch.5) Bypass fume hoods belong to the groups of: - correct answers General-purpose hoods (ch.5) Which of the following eyewash/safety showers should be used for immediate flushing only until the victim reaches another safety unit? - correct answers Personal eyewash ( (ch.5) _________________ is not a blood-borne pathogen in a healthcare setting. - correct answers Hepatitis A (ch.5) Ergonomic guidelines for nursing homes are issued by - correct answers OSHA (ch.5) PASS stands for pull, aim, squeeze, and - correct answers Sweep (ch.5) CDC stands for Centers of Disease Control and - correct answers Prevention
(ch.10) Herpes simplex infections on lips and in the mouth are most commonly caused by - correct answers hsv- 1 (ch.10) Athlete's foot is caused by: - correct answers Tina Pedis (ch.10) Diaper rash in infants is commonly caused by: - correct answers Candida albicans (ch.10) Leprosy is caused by - correct answers Mycobacterium leprae (ch.10) Infections that result in the death of infected tissue are called ______ infections - correct answers Necrotizing (ch.10) Chickenpox and shingles are caused by the - correct answers Varicella-Zoster (ch.10) Fungal infections of the skin are referred to as - correct answers Mycoses (ch.10) A tinea infection in the groin area is commonly called - correct answers Jock itch (ch.13) An inflammation of the brain is called: - correct answers Encephalitis
(ch.13) Routine vaccination against meningitis in the United States is provided against: - correct answers Haemophilus influenza (ch.13) Meningococcal meningitis is caused by: - correct answers Neisseria meningitidis (ch.13) Otitis media is commonly caused by: - correct answers Streptococcus pneumoniae (ch.13) The most virulent of all botulinum toxins is considered by be - correct answers Type A (ch.13) Hansen's disease is also called: - correct answers Leprosy (ch.13) Poliomyelitis is caused by a virus belonging to the family - correct answers Picornaviridae (ch.13) Which of the following is the causative agent for fungal meningitis, mostly in immunocompromised patients? - correct answers Cryptococcus neoformans (ch.13) The organism causing West Nile encephalitis belongs to - correct answers Arboviruses
(ch.20) Which of the following provide defense against viral infections? - correct answers Interferons (ch.20) Which white blood cells are granulocytes? - correct answers Basophils (ch.20) Immunity that is a result of an actual infection is called - correct answers Naturally acquired active immunity (ch.20) A substance capable of raising the body temperature is - correct answers Pyrogen (ch.20) When an organ or tissue is transplanted between genetically different individuals from the same species, it is called a - correct answers Allograft (ch.20) Which of the following is a systemic autoimmune disease: - correct answers Rheumatoid arthritis (ch.20) Which of the following is NOT a part of the second line of defense? - correct answers pH of the skin (ch.20) Enzymes that attack the peptidoglycan layer of bacteria and are present in perspiration, nasal secretions, saliva, and tears are - correct answers Lysozymes
(ch.20) Delayed hypersensitivity is a result of - correct answers Cell-mediated immune reaction (ch.20) B cells are responsible for ______-mediated immunity - correct answers Antibody-mediated immunity (ch.20) Substances that stimulate the production of antibodies are called - correct answers Immunogens (ch.20) The body's decreased ability to fight infections is called - correct answers Immunosuppression (ch.11) The ________ is not a structure of the lower respiratory system - correct answers Pharynx (ch.11) Scarlet fever is caused by - correct answers Streptococcus pyogenes (ch.11)Which of the following organisms is commonly found in the normal flora of the upper respiratory system? - correct answers Staphylococcus aureus (ch.11) Whooping cough is caused by - correct answers Bordatella pertussis