Description : Serum sickness is a common symptom of a. Contact dermatitis. b. Hemolytic disease of the newborn. c. Immune complex hypersensitivity d. Food allergies.
Last Answer : c. Immune complex hypersensitivity
Description : The concentration of an antibiotic causing harm to the host is called a. Toxic dosage Level. b. Therapeutic dosage level. c. Minimal inhibitory concentration. d. Chemotherapeutic index.
Last Answer : a. Toxic dosage Level.
Description : _____ is when an antimicrobial drug should harm the infectious agent but not the host. a. Selective toxicity b. Toxic dose c. Therapeutic dose d. Chemotherapeutic index
Last Answer : a. Selective toxicity
Description : What is the average cost of a convalescent home?
Last Answer : Convalescent homes are a great way for elderly to retire. The cost of these homes on average range from 1500 a month to about 3000 depending on the features they have to offer.
Description : For therapeutic effect in manic depressive illness, steady-state serum lithium concentration should be maintained between: A. 0.2–0.4 mEq/L B. 0.5–0.8 mEq/L C. 1.0–1.3 mEq/L D. 1.5–2.5 mEq/L
Last Answer : B. 0.5–0.8 mEq/L
Description : Prophylactic use of antibiotics is not justified in the following condition: A. To prevent secondary infection in common cold B. Thoroughly cleaned contaminated wound C. Rheumatic fever in a child of 10 years D. Catheterization of urethra in an elderly male
Last Answer : A. To prevent secondary infection in common cold
Description : What is the maximum number of different amino acids in a polypeptide chain coded by the synthetic polyribonucleotides (UCAG)5? A- One B- Two C- Three D- Four
Last Answer : Three
Description : If the carbon source in a growth medium is beef extract, the medium must be an example of a/an medium. a. complex b. chemically defined c. enriched d. synthetic
Last Answer : a. complex
Description : Which of the following viruses has a vaccine to prevent it? a. HPV b. HIV c. fifths disease d. herpes simplex I
Last Answer : a. HPV
Description : In 1842, Edwin Chadwick's report raised the possibility that sewage spreads disease along with a ______ outbreak which began the ________ movement. a. typhoid, aseptic b. cholera, sanitation c. polio, immunization d. none of the above are correct
Last Answer : b. cholera, sanitation
Description : An acute disease becomes _____ when the body is incapable of ridding itself of the pathogen, while a local disease becomes ______ when it disseminates to deeper organs and tissues. a. Contagious; Systemic b. Contagious; Secondary c. Chronic; Systemic d. Chronic; Secondary
Last Answer : c. Chronic; Systemic
Description : Hyperimmune serum is serum with a higher than normal level of _____. a. antigens b. antibodies c. toxins d. immune cells
Last Answer : b. antibodies
Description : Passive artificial immunity occurs in the body when a/an _____ is injected into the body or when a developing fetus receives antibodies across the placenta. a. antibody-rich serum b. antigens c. haptens d. adjuvant
Last Answer : a. antibody-rich serum
Description : In an ELISA, the primary antibody represents a. The patient‘s serum. b. The antibody recognizing the secondary antibody. c. The enzyme-linked (labeled) antibody. d. The antibodies having been washed away.
Last Answer : b. The antibody recognizing the secondary antibody.
Description : Immune complex formation and serum sickness are dangers of a. Artificially acquired passive immunity. b. Naturally acquired active immunity. c. Artificially acquired active immunity. d. Naturally acquired passive immunity.
Last Answer : a. Artificially acquired passive immunity.
Description : Methysergide has lost popularity as a prophylactic drug for migraine because of its: A. Poor efficacy B. Potential to cause visceral fibrosis C. Oxytocic action D. Potential to aggravate ischaemic heart disease
Last Answer : B. Potential to cause visceral fibrosis
Description : Prophylaxis antibiotic for anthrax is given to people with symptoms who have been in a defined hot zone for a period of a) 60 days. Those with symptoms who have been in the hot zone should ... . Those with symptoms who have been in the hot zone should be given 60 days of prophylactic antibiotic
Last Answer : a) 60 days. Those with symptoms who have been in the hot zone should be given 60 days of prophylactic antibiotic. The aim of prophylaxis is to assure that if spores were ... of mediastinal lymph node involvement should be treated with intravenous antibiotics and respiratory support, if needed.
Description : Choose the correct statement about iron therapy: A. Haemoglobin response to intramuscular iron is faster than with oral iron therapy B. Iron must be given orally except in pernicious anaemia C. ... iron therapy must be given during pregnancy D. Infants on breastfeeding do not require medicinal iron
Last Answer : C. Prophylactic iron therapy must be given during pregnancy
Description : A heritable change in DNA is called a ______. a. mistake b. mutation c. gene d. pathogen
Last Answer : b. mutation
Description : The sum of the mass numbers of the atoms in a molecule equals the ______, which is measured in units called _______. a. Atomic Number; Milligrams b. Mass Weight; Micrograms c. Chemical Weight; Moles d. Molecular Weight; Daltons
Last Answer : d. Molecular Weight; Daltons
Description : Accepted therapeutic indications for the use of antimuscarinic drugs include all of the following except (a) Hypertension (b) Motion sickness (c) Parkinson’s disease (d) Postoperative bladder spasm (e) Traveler’s diarrhea
Last Answer : Ans: A
Description : An 'orphan drug' is: A. A very cheap drug B. A drug which has no therapeutic use C. A drug needed for treatment or prevention of a rare disease D. A drug which acts on Orphanin receptors
Last Answer : C. A drug needed for treatment or prevention of a rare disease
Description : The drug isoniazid is used widely in contemporary medicine to a. Treat tuberculosis. b. Prevent fungal overgrowth in the intestine. c. Clear away wound infections. d. Eliminate infections due to gram-negative bacteria.
Last Answer : a. Treat tuberculosis.
Description : _____ T cells prevent autoreactive T cells from attacking self. a. Memory b. Helper c. Regulatory d. Effector
Last Answer : c. Regulatory
Description : _____ is the scientific study of how the immune system functions in the body to prevent or destroy foreign material, including pathogen a. Epidemiology b. Microbiology c. Immunology d. Toxicology
Last Answer : c. Immunology
Description : Which of the following is NOT a way to prevent food from being contaminated? a. Control The Initial Number Of Bacteria Present b. Prevent The Small Number From Growing c. Destroy Bacteria By Cooking Properly d. Avoid Recontamination After Cooking e. Re-Freeze Food After Cooking
Last Answer : e. Re-Freeze Food After Cooking
Description : A microarray can be used to _____. a. identify if a patient has been infected by a pathogen b. produce human insulin c. insert a viral gene into a plant to prevent viral infection d. A-C are correct
Last Answer : a. identify if a patient has been infected by a pathogen
Description : The role of the M cell is to A- .trap virus in mucus and prevent entry B- induce apoptosis in virus-infected small intestinal epithelia cells C- pass bacteria or virus to underlying macrophages for ... and presentation of antigen D- they use their cilia to propel mucus out of the small intestine
Last Answer : pass bacteria or virus to underlying macrophages for processing and presentation of antigen
Description : In the extracellular medium, DNA-degrading enzymes would likely be to prevent transfer of DNA by A- conjugal transfer by a self-transmissible plasmid B- generalized phage transduction C- natural transformation D- none of the above
Last Answer : natural transformation
Description : Which one of the following statements about buffers is false? a. They work inside cells. b. They consist of a weak acid and weak base. c. They prevent pH shifts. d. They enhance chemical reactions.
Last Answer : d. They enhance chemical reactions.
Description : Which early physician used vaccination with the mild cowpox to prevent the deadly smallpox? a. Jenner b. Snow c. Lister d. Semmelweis
Last Answer : a. Jenner
Description : ______ form the bulk of microbial products of industrial interest. a. primary metabolites b. secondary metabolites c. tertiary metabolites d. quaternary metabolites
Last Answer : b. secondary metabolites
Description : Two major drawbacks to the use of ______ is allergies and beta- lactamases produced by resistant bacteria. a. Tetracycline b. Penicillin c. Cephalosporin d. Bacitracin
Last Answer : b. Penicillin
Description : ______ follow streptococcal diseases and appear to be consequences of immune complex formation in the kidneys or heart. a. Scarlet fever b. Yellow fever c. Rheumatic fever d. Necrotizing fasciatis
Last Answer : c. Rheumatic fever
Description : : A _____ is a cytokine that induces fever by stimulating the ______. a. pyrogen, hypothalamus b. pyogen, thalamus c. defensin, thyroid d. perforin, pituitary
Last Answer : a. pyrogen, hypothalamus
Description : ______ infections are more common in AIDS or cancer patients. a. Indigenous b. Opportunistic c. Primary d. Secondary
Last Answer : b. Opportunistic
Description : The organisms of diphtheria and ______ are known for their production of _______. a. Typhoid Fever; Antitoxins b. Typhoid Fever; Exotoxins c. Tetanus; Antitoxins d. Tetanus; Exotoxins
Last Answer : d. Tetanus; Exotoxins
Description : The bacterial enzyme ______ assists the spread of bacteria away from a blood clot, while ______ assists the spread through body tissues. a. Streptokinase; Hyaluronidase b. Streptokinase; Hemolysin c. Coagulase; Hyaluronidase d. Coagulase; Hemolysin
Last Answer : a. Streptokinase; Hyaluronidase
Description : A common roundworm in young children is ______, causing an itchy anus at night. a. Ascaris b. hookworm c. pin worm d. elephantiasis
Last Answer : c. pin worm
Description : Red tides are caused by ______. a. flagellates b. cilliates c. pseudopodia d. algae
Last Answer : d. algae
Description : : ______ are marine protists that have chalky skeletons. a. diatoms b. foraminifera c. algae d. radiolarians
Last Answer : b. foraminifera
Description : The parasites of malaria invade the body's ______ and bring on intense _________. a. White Blood Cells; Diarrhea b. White Blood Cells; Chills And Fever c. Red Blood Cells; Chills And Fever d. Red Blood Cells; Diarrhea
Last Answer : c. Red Blood Cells; Chills And Fever
Description : .______ enters the human body as a cyst and develops into a trophozoite in the small intestine; a severe form of dysentery may occur. a. Cryptosporidium parvum b. Entamoeba histolytica c. Giardia intestinalis d. Cyclospora cayetanensis
Last Answer : b. Entamoeba histolytica
Description : The majority of cases of rabies are from _____ and ______. a. dogs, cats b. rabbits, fox c. raccoons, bats d. dogs, coyotes
Last Answer : c. raccoons, bats
Description : The ______ can cause serious birth defects including mental impairment. a. Mononucleosis b. Cytomegalovirus c. Polio d. Hepatitis C
Last Answer : a. Mononucleosis
Description : The ______ causes a viral hemorrhagic fever that has been responsible for many outbreaks in Africa. a. norovirus b. Lassa fever virus c. Ebolavirus d. Rotavirus
Last Answer : b. Lassa fever virus
Description : The rabies virus is shaped like a/an ______ and enters the body by a _______. a. icosahedron; skin wound b. icosahedron; mosquito bite c. bullet; skin wound d. bullet; mosquito bite
Last Answer : a. icosahedron; skin wound
Description : Rotavirus and the noroviruses can both be causes of viral ______ when transferred to humans by ______. a. meningitis; mosquitoes b. meningitis; water c. gastroenteritis; mosquitoes d. gastroenteritis; water
Last Answer : a. meningitis; mosquitoes