What is spectrophotometry - Study guides, Class notes & Summaries

THERAPIST MULTIPLE-CHOICE EXAMINATION: PRACTICE TEST QUESTIONS AND ANSWERS The physician orders a 35% aerosol mask to be set up for a patient who requires an inspiratory flow of 42 L/min. What is the minimum flow rate to which the flowmeter must be set to meet this patient's in- spiratory flow demands? A. 6 L/min B. 8 L/min C. 10 L/min D. 12 L/min - ANS B, The air/O2ratio for a 35% oxygen mixture is 5 : 1. To calculate total flow output from this device, add the ratio parts together ...

Final Assessment for MT ASCP/AMT exam-300 Questions with Complete Solutions 2023/2024 Graded A+ In absorption spectrophotometry: A) Absorbance is directly proportional to transmittance B) Percent transmittance is directly proportional to concentration C) Percent transmittance is directly proportional to the light path length D) Absorbance is directly proportional to concentration - CORRECT ANSWER Absorbance is directly proportional to concentration Which formula correctly described t...

Final Assessment for MT ASCP/AMT exam Questions and Answers 100% Pass In absorption spectrophotometry: A) Absorbance is directly proportional to transmittance B) Percent transmittance is directly proportional to concentration C) Percent transmittance is directly proportional to the light path length D) Absorbance is directly proportional to concentration - Correct Answer ️️ - Absorbance is directly proportional to concentration Which formula correctly described the relationship betwe...

MTTC Integrated Science Secondary (94) 100% verified What are the 5 steps in the Scientific Method? - ANSWER 1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): - ANSWER x 10^1 Metric Unit hecto (h): - ANSWER x 10^2 Metric Unit kilo (k): - ANSWER x...

Clinical Chemistry I ASCP Review - 467 / Clinical Chemistry I ASCP review (youlazy) Questions & Answers Which of the following lamps provides a continuous spectrum of radiant energy in the visible, near IR, and near UV regions of the spectrum? A. Tungsten-filament B. Hydrogen C. Deuterium D. Mercury vapor - CORRECT ANSWER-A most common light source for photometry in the visible region. continuous spectrum (360-800 nm). near IR and UV. Hydrogen and Deuterium (200-375 nm) Mercury vap...

Diurnal variation ↑ in am: CORRECT ANSWER ACTH, cortisol, iron Diurnal variation ↑ in pm: CORRECT ANSWER growth hormone, PTH, TSH Day-to-day variation CORRECT ANSWER ≥ 20% for ALT, bili, CK, steroid hormones, triglycerides Alcohol causes what chemistry levels to fluctuate? CORRECT ANSWER ↓ glucose; ↑ triglycerides, GGT Posture causes what chemistry levels to fluctuate? CORRECT ANSWER ↑ albumin, cholesterol, Ca2+ when standing Activity ↑ in ambulatory patients: CORREC...

M1 FINAL COACHING EXAM - Questions and Answers (Complete Solutions) Which of the following represents the index of the protective power of colloids? A. Nuggets B. Lumina C. Poise D. Zsigmondy What is formed when an atom or cation acts as the center about which anions or molecules arrange themselves? A. Covalent compounds B. Ionic compounds C. Complexes D. Ionic-covalent compounds What does enthalpy refer to in thermodynamics? A. Latent heat B. Heat content C. Degree of total molecular D. Heat ...

Pyrimidine - Answer One carbon ring Cytosine, Thymine, Uracil What is the function of mRNA? - Answer Carries genetic info out of nucleus Transcript translated to protein What is the function of tRNA? - Answer Carries aa to ribosome Anticodon pairs with codon on mRNA strand What is the function of rRNA? - Answer part of ribosome structure most abundant RNA coordinated coupling of tRNA to mRNA codons Feedback inhibition - Answer Product of pathway is noncompetitive inhibitor Binds to all...

MTTC Integrated Science Secondary (94) Verified Answers What are the 5 steps in the Scientific Method? 1. Identify a problem or pose a question based on an observation. 2. Formulate a hypotheses. 3. Conduct experiments or tests the hypotheses. 4. Observe and record the results. 5. Draw a conclusion (was the hypothesis correct?). * peer review is also important. Metric Unit deca (da): x 10^1 Metric Unit hecto (h): x 10^2 Metric Unit kilo (k): x 10^3 Metric Unit mega (M): x 1...

Specimens that can be analyzed for carbon dioxide 1. Serum 2. Plasma 3. Whole blood What will happen if blood is exposed to air during specimen collection for pH and blood gases? p C O 2 decreases Henderson-Hasselbalch equation p H = p k a + log salt / acid What is the ratio of bicarbonate:carbonic acid in normal plasma 20:1 Lab results on a known diabetic patient revealed a decreased bicarbonate and decreased ph. Which acid base disorder would most likely cause...