Introduction to Chemical Bonding quiz #1 Flashcards
Introduction to Chemical Bonding quiz #1
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Which of the following is not true about storage body fat?
Storage body fat is not solely used for energy; it also provides insulation and protection for organs. Which of the following is present in both gram-positive and gram-negative cell walls?
Peptidoglycan is present in both gram-positive and gram-negative cell walls. Which of the following statements is true about storage body fat?
Storage body fat serves as an energy reserve and provides insulation and protection for organs. Which stain is used to stain the background in the capsule stain?
India ink or nigrosin is used to stain the background in the capsule stain. Which of the following staining procedures employ both a primary dye and a counterstain?
The Gram stain and the acid-fast stain employ both a primary dye and a counterstain. Which staining technique allows differentiation of mycobacterial cells?
The acid-fast staining technique allows differentiation of mycobacterial cells. Minerals serve many functions in the human body including which of the following?
Minerals are involved in bone formation, nerve function, and enzyme activation. Which of the following is stained during the first part of the capsule staining procedure?
The bacterial cell is stained during the first part of the capsule staining procedure. Trousseau’s sign is elicited by which of the following?
Trousseau’s sign is elicited by inflating a blood pressure cuff on the arm. In which of the following functions do eicosanoids play an important role?
Eicosanoids play an important role in inflammation and immune responses. Which of the following are true concerning fat cells?
Fat cells store energy, insulate the body, and cushion organs. Which of the following are part of the Dietary Reference Intakes (DRIs)?
The DRIs include Recommended Dietary Allowances (RDAs), Adequate Intakes (AIs), and Tolerable Upper Intake Levels (ULs). Which of the following is not a function of cholecystokinin (CCK)?
CCK does not increase gastric acid secretion; it stimulates bile release and pancreatic enzyme secretion. What happens to the gram-positive cell wall during decolorization?
During decolorization, the thick peptidoglycan layer of gram-positive cells retains the crystal violet stain. When should heat fixation take place during the capsular stain?
Heat fixation should not be used in the capsular stain to avoid destroying the capsule. Which of the following staining procedures employs both a primary dye and a counterstain?
The Gram stain and the acid-fast stain employ both a primary dye and a counterstain. Which of the following structures makes it difficult to stain endospores?
The tough outer coat of endospores makes them difficult to stain. Which of the following is not a function of calcium?
Calcium does not function as a primary energy source; it is crucial for bone health and muscle function. Which of the following is not a cytopathic effect?
Cell proliferation is not a cytopathic effect; it is a normal cellular process. Which of the following factors are necessary for soil formation?
Weathering of rocks, organic matter accumulation, and microbial activity are necessary for soil formation. Which is not used in the endospore staining procedure?
Crystal violet is not used in the endospore staining procedure; malachite green and safranin are used. Which of the following would a nurse identify as a surfactant?
A nurse would identify pulmonary surfactant as a substance that reduces surface tension in the lungs. Which statement accurately describes the relationship between vitamin A and acne?
Vitamin A derivatives, such as retinoids, are used to treat acne by promoting skin cell turnover. Which of the following cytopathic effects is cytocidal?
Cell lysis is a cytocidal effect, leading to cell death. The glycocalyx is usually composed of which of the following?
The glycocalyx is usually composed of polysaccharides and proteins. Which of the following statements is true of a vegan diet?
A vegan diet excludes all animal products and relies on plant-based foods. Which three roles do teichoic and lipoteichoic acid play in gram-positive cells?
Teichoic and lipoteichoic acids provide structural support, contribute to cell wall maintenance, and play a role in cell adhesion. Which structure is used as a tracer in medical procedures?
Radioactive isotopes are used as tracers in medical procedures. A fastidious organism must be grown on/in what type of medium?
A fastidious organism must be grown on enriched media that provide specific nutrients. Which statement accurately describes lactose intolerance?
Lactose intolerance is the inability to digest lactose due to a deficiency in lactase enzyme. Phenytoin is used to treat which of the following diseases?
Phenytoin is used to treat epilepsy by controlling seizures. Which statement is true about disulfide bonds and protein folding?
Disulfide bonds stabilize protein structure by forming covalent links between cysteine residues. The trace mineral copper is essential for the health of which of the following type of body cells?
Copper is essential for the health of red blood cells and connective tissue cells. Which of the following is not a characteristic of the nucleus?
The nucleus does not contain ribosomes; it contains the cell's genetic material. Which of the following do you think use plasma?
Blood plasma is used in medical treatments such as transfusions and therapies. Staining can be used to identify which of the following?
Staining can be used to identify bacterial morphology and cellular structures. Which is true of prion proteins?
Prion proteins are infectious agents that cause neurodegenerative diseases. Which is not specifically targeted for destruction by the proteasome?
Lipids are not specifically targeted for destruction by the proteasome; proteins are. Which of the following statements is true of lactose intolerance?
Lactose intolerance is due to a deficiency in the enzyme lactase, leading to digestive issues. Which of the following statements is true of LDL and HDL?
LDL is often referred to as 'bad' cholesterol, while HDL is known as 'good' cholesterol.
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