Exam 4 Chemistry Review/Study Questions Part 4 – Flashcards
Unlock all answers in this set
Unlock answersquestion
| What is the formula for the % Tf Saturation? |
answer
| (Total Iron / TIBC ) x 100 |
question
| True or False: Ferritin levels in serum will decrease BEFORE total iron content is depressed |
answer
| True |
question
| What does Total Serum Iron Measure? |
answer
| Iron bound to Tf |
question
| What is Transferrin often measured by? |
answer
| Nephelometry |
question
| What is Total Iron Binding Capacity a measure of? |
answer
| Capacity of transferrin to bind more iron |
question
| Usually Tf is what percent saturated with iron? |
answer
| 20-50% |
question
| What is the formula to calculate TIBC knowing Tf? |
answer
| TIBC = Tf x 1.25 |
question
| True or False: You can not calculate TIBC if Tf<70 |
answer
| True |
question
| True or False: You can not calculate % Tf Saturation is TIBC<5 |
answer
| True |
question
| Name the condition associated with the following: Iron - Decreased Ferritin - Decreased Transferrin - Increased RBC Count - Decreased H&H - Decreased MCHC - Decreased Micro/Hypo |
answer
| IDA |
question
| Name the condition associated with the following: Iron - Increased Ferritin - Increased Transferrin - Decreased Hemochromatosis |
answer
| Iron Overload |
question
| Name the condition associated with the following: Iron - Decreased Ferritin - Normal to Increased Transferrin - Decreased |
answer
| Anemia of Chronic Disease |
question
| What is the term used to describe hereditary iron overload disease? |
answer
| Hemochromatosis |
question
| What can you use to treat Iron Overload? |
answer
| Therapeutic phlebotomy or chelators |
question
| Which iron disorder is connected to the following: Cancer Hogkins SLE Renal failure with decreased erythropoietin |
answer
| Anemia of Chronic Disease |
question
| Given the following Determine the Iron Disease State: Total Fe - Decreased Ferritin - Decreased Transferrin - Increased TIBC - Increased % Saturation - Decreased |
answer
| IDA |
question
| Given the following Determine the Iron Disease State: Total Fe - Increased Ferritin - Increased Transferrin - Decreased TIBC - Decreased % Saturation - Increased |
answer
| Hemochromatosis |
question
| Given the following Determine the Iron Disease State: Total Fe - Decreased Ferritin - Normal to Increased Transferrin - Decreased TIBC - Decreased % Saturation - Decreased |
answer
| Anemia of Chronic Disease |
question
| Match the trace element with the deficiency results: o Hypochromic anemia o Bone malformation o Menke's syndrome o Wilson's disease |
answer
| Copper |
question
| Match the trace element with the deficiency results: o Impaired immunity and wound healing o Impotence o Growth retardation oSensory alterations |
answer
| Zinc |
question
| Match the trace element with the deficiency results: o Megaloblastic anemia |
answer
| Cobalt |
question
| Match the trace element with the deficiency results: o Reduced glucose tolerance |
answer
| Chromium |
question
| Match the trace element with the deficiency results: o Bone defects and stunted growth o Clotting disorders o Epilepsy |
answer
| Manganese |
question
| Match the trace element with its Functions: Erythropoiesis Cellular respiration Skeletal development Nucleic acid/protein synthesis Collagen formatio |
answer
| Copper |
question
| Match the trace element with its Functions: Enzyme structure RNA/DNA synthesis Sensory development Growth Wound healing Immune response |
answer
| Zinc |
question
| Match the trace element with its Functions: Constituent of Vit B12 Needed for folate metabolism |
answer
| Cobalt |
question
| Match the trace element with its Functions: “Glucose Tolerance Factor”, increases effects of insulin |
answer
| Chromium |
question
| Match the trace element with its Functions: Enzyme activator Reproductive function Bone and tissue formation |
answer
| Manganese |
question
| What is the formula of the Henderson-Hasselbalch Equation? |
answer
| pH = pK' + log (Buffer/Acid) |
question
| Define the following: Acid |
answer
| Yield hydrogen ions (H+) when dissolved in H2O Primary sources in the blood:H+, H2CO3 (carbonic acid) and pCO2 |
question
| Define the following: Base |
answer
| Yield hydroxyl ions (OH-) Primary source in the blood: HCO3 (bicarbonate) |
question
| Define the following: Buffer |
answer
| A system consisting of a weak acid and a weak base that resists pH changes |
question
| Great quantities of H+ come from where? |
answer
| Cell metabolism and food digestion |
question
| Define the following: Total CO2 |
answer
| The sum of the various CO2-containing substances in plasma |
question
| Acidemia/acidosis = arterial pH below |
answer
| 7.35 |
question
| Alkalemia/alkalosis = arterial pH above |
answer
| 7.45 |
question
| What are the various CO2-containing substances in plasma? |
answer
| Dissolved CO2 gas from cellular respiration (pCO2) Carbonic acid (H2CO3) Bicarbonate ion (HCO3-) |
question
| Total CO2 = ______ mmol/L |
answer
| 23-29 |
question
| HCO3 = ________mmol/L |
answer
| 22-26 |
question
| True or False: Bicarbonate-Carbonic Acid System is the principle buffering system |
answer
| True |
question
| Normally, the ratio of HCO3 to CO2 is _____ |
answer
| 20:1 |
question
| A fall in the ratio of HCO3 to CO2 results in what? |
answer
| Acidosis |
question
| A rise in the ratio of HCO3 to CO2 results in what? |
answer
| Alkalosis |
question
| What 2 organs will respond to restore the 20:1 HCO3 to CO2 ratio? |
answer
| Lungs and/or Kidneys |
question
| True or False: If plasma becomes acidic, HCO3 can diffuse out of the RBC to buffer the blood |
answer
| True |
question
| As HCO3 diffuses out of the RBC to buffer the blood, what moves in? |
answer
| Chloride |
question
| ____ventilation: More CO2 is lost and blood becomes alkaline |
answer
| Hyperventillation |
question
| ____ventilation: CO2 accumulates and blood becomes acidic |
answer
| Hypoventilation |
question
| True or False: The response time to ventilation changes occurs within seconds |
answer
| True |
question
| True or False: Tubules will excrete or retain acid (H+) or alkaline (HCO3) |
answer
| True |
question
| When H+ is retained by the kidneys, what is excreted? |
answer
| Na+ |
question
| When Na+ is retained by the kidneys, what is excreted? |
answer
| H+ |
question
| As H+ is excreted or Retained by the kidneys, what moves with it? |
answer
| K+ |
question
| Correction of pH may take how much time when regulated by the kidneys? |
answer
| 2-4 days |
question
| What is it called when: pH has returned to normal, other 2 parameters are abnormal |
answer
| Fully Compensated |
question
| What is it called when: the pH and 1 other parameter are abnormal |
answer
| Uncompensated |
question
| What is it called when: All 3 parameters are abnormal |
answer
| Partially Compensated |
