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Derived from Greek root words meaning "physician/healer" and "produced by," this medical term describes a disease or adverse condition caused directly by medical treatment or intervention, such as chemotherapy-induced anemia.
What is Iatrogenic?
This pharmacokinetic process describes the movement of a drug from its site of administration into the bloodstream.
What is Absorption?
Unlike Types I, II, and III hypersensitivity reactions—which are all mediated by antibodies—Type IV hypersensitivity is unique because it is exclusively mediated by this type of immune cell.
What are T-Cells
This key cell wall component, composed of a polymer of repeating rows of N-acetylglucosamine (NAG) and N-acetylmuramic acid (NAM) cross-linked by polypeptides, maintains the characteristic shape and structural integrity of bacterial cells.
What is peptidoglycan?
This term describes the lowest concentration of an antimicrobial agent that will inhibit the visible growth of an organism in vitro.
What is Minimum Inhibitory Concentration (MIC)?
This cellular response involves a reversible transformation where one adult cell type is replaced by another due to chronic irritation or inflammation, such as changes in respiratory epithelium from smoking.
What is metaplasia?
This is the percentage of bioavailability that intravenous (IV) medications typically achieve
What is 100%?
This pre-formed primary mediator stored within the granules of tissue mast cells and basophils is rapidly released during a Type I reaction, causing acute vasodilation, increased capillary permeability, and smooth muscle bronchospasm.
What is Histamine?
Unlike staphylococci, which grow in grapelike clusters, streptococci are gram-positive cocci arranged in pairs or chains that are differentiated biochemically by this negative enzyme test result.
What is catalase (or catalase-negative)?
While the first-generation class provides strong Gram-positive coverage with limited Gram-negative activity, moving from the 1st to the 5th generation of this cell wall-active antibiotic class results in a significant gain in Gram-negative spectrum.
What are Cephalosporins?
This clinical syndrome of tissue aging is characterized by oxidative stress, dysregulation of inflammatory cytokines and hormones, physical inactivity, malnutrition, and muscle apoptosis, leading to reduced physiological reserve.
What is frailty?
Calculated as the dose of an IV drug divided by its resulting plasma concentration before elimination begins, this theoretical pharmacokinetic parameter measures how extensively a drug distributes throughout the body.
What is Volume of Distribution?
Expressed on innate immune cells like macrophages and dendritic cells, these specialized sensors recognize conserved microbial structures (PAMPs)—such as lipopolysaccharide or flagellin—to trigger an immediate, non-specific immune response and cytokine release.
What are PRRs/Toll-Like Receptors?
This thermal characteristic allows certain medically important fungi, such as Histoplasma and Coccidioides, to exist as multicellular molds in the environment at 25°C and transition into unicellular yeasts at 37°C in the human body.
What is thermal dimorphism?
Unlike most antibiotics, this cell wall-active lipopeptide is widely distributed into systemic tissues but is explicitly ineffective for treating pneumonia because it is inactivated by lung surfactant.
What is daptomycin?
This type of necrosis occurs primarily in the kidneys, heart, and adrenal glands as a result of protein denaturation, which fundamentally alters the plasma protein albumin.
What is coagulative necrosis?
This process occurs when liver metabolites excreted into the GI tract via bile are reabsorbed back into systemic circulation, extending the drug's presence in the body prior to final urinary elimination.
What is enterohepatic recirculation?
In Type III immune-complex-mediated hypersensitivity, this specific complement cleavage product acts as the chief chemoattractant that recruits neutrophils to the site of complex deposition, leading to local tissue and endothelial damage.
What is C5a?
Unlike human cell membranes that contain cholesterol, fungal cell membranes contain this specific sterol, which serves as the primary target for antifungal agents like fluconazole and amphotericin B.
What is ergosterol?
This second-generation cephalosporin group (which includes cefotetan and cefoxitin) uniquely possesses a methyltetrazolethiol (MTT) side chain that can prolong prothrombin time/INR and cause disulfiram-like reactions with alcohol.
What are Cephamycins?
This postmortem change refers specifically to the gradual reduction in body temperature following somatic death, distinguishing it from postmortem stiffening or discoloration.
What is algor mortis?
According to the Cytochrome P-450 enzyme table in the slides, this enzyme subgroup is primarily responsible for metabolizing Caffeine, Theophylline, Lidocaine, and R-warfarin.
What is CYP1A2?
Characterized by recurrent pyogenic infections starting around 6 months of age, this X-linked condition is caused by a mutation in a tyrosine kinase gene, resulting in a total absence of mature peripheral B cells and extremely low levels of all immunoglobulins.
What is Bruton's Agammaglobulinemia (or X-linked Agammaglobulinemia / BTK deficiency)?
Unlike most prokaryotes that lack sterols in their cell membranes and possess a rigid cell wall, this genus of wall-less "atypical" bacteria contains sterols in its cell membrane.
What is Mycoplasma?
This oxazolidinone antibiotic carries a Black Box Warning for serotonin syndrome risk due to its action as a reversible, nonselective monoamine oxidase inhibitor (MAOI) when co-administered with SSRIs or SNRIs.
What is Linezolid