Gradients Study guides, Revision notes & Summaries

MLT ASCP Practice (medical laboratory technicians) Questions With Complete Solution / Guide -Graded A What single feature of normal RBCs is most responsible for limiting their life span? a. Loss of mitochondria b. Increased flexibility of the cell membrane c. Reduction of hemoglobin iron d. Loss of the nucleus [Accurate Ans: - d. Loss of the nucleus Intravascular or fragmentation hemolysis is the result of trauma to RBCs in the circulation. True or false. [Accurate Ans: - True Ext...

QBM Exam 3 Questions And Answers With Complete Solutions 2024 Chapter 13 - DNA Purification, Agarose Gel Electrophoresis, and DNA Visualization - answer The genetic information of all living organisms is contained within the sequence of ____ ____ = Examples include: purines and pyrimidines = For most organisms, the genetic information is contained in nucleic acids of the deoxyribonucleic acid (DNA), or ribonucleic acid (RNA) in certain viruses - answernucleic acids ______ is a complete s...

Study of the underlying physiological process associated with disease correct answer: Define pathophysiology Environmental: - hypoxia - micro bacterial infection - nutritional imbalances Genetic: - gene mutation - inherited gene mutation correct answer: Causes of disease Carbohydrates: - provide glucose for ATP production Proteins: - provide structure to cell and aid in muscle movement Lipids: - provide insulation, protection and energy. Also make up cell membranes and for...

Which of the following is not true regarding peak aortic blood flow acceleration? a) it is significant primarily in patients with aortic stenosis b) it is a sensitive indicator of changing contractility state and secondary to hypoxia c) it is highly sensitive to inotropic changes d) it is minimally affected by preload changes e) 2 of the above - correct answer it is significant primarily in patients with aortic stenosis In doppler assessment of aortic valve gradient: a) the degree ...

What is the primary function of the lungs? - Correct Gas exchange During each cycle of normal resting ventilation, a volume of gas is moved into and out of the respiratory tract. This cyclical volume is called the: - Correct tidal volume (VT). Which of the following pressures vary throughout the normal breathing cycle? 1. Alveolar pressure (Palv) 2. Body surface pressure (Pbs) 3. Mouth pressure (Pao) 4. Pleural pressure (Ppl) - Correct 1 and 4 only Which of the following pressures normal...

ATP - (adenosine triphosphate) main energy source that cells use for most of their work. 1 nucleotide + 3 phosphate group makes it unstable. If loses phosphate group becomes ADP ATP is composed of - ribose (a sugar), adenine (a nitrogenous base), and three phosphate groups Coupled reactions - Energy releasing action usually in the form of ATP breakdown Release of ATP+P causes myosin to change shape and cause muscle movement What do plants and other living organisms need for food - Photosynt...

the majority of flow from the upper extremities is returned via the: - superficial system Most upper extremity veins in the deep system are accompanied by: - an artery of the same name true or false: perforating veins have few valves - true upper extremity venous flow return is dependent on (2): - 1. gravity 2. cardiac generated pressure gradients true or false: scanning techniques for upper extremity veins are similar to lower extremity - true three differences between upper and lower e...

BIO 264: Exam 2 review Which ion has greatest influence on resting membrane potential? Potassium (potassium has more leak channels on the membrane than sodium, which is why potassium has a higher permeability value and has more impact of resting membrane potential) Concerning resting membrane potential, the inside of the membrane is _______ compared to the ________ charged outside. negative, positively. T or F: The diffusion of K+ and Na+ down their chemical gradients contributes to ...

WX 201 Exam 1 Study Guide with Verified Solutions Celsius to Farenheight F = (C * 9/5) + 32 Celsius to Kelvin K = C + 273 Characteristics of a permanent gas Concentration in atmosphere remains constant ; sources and sinks consistent Characteristics of a variable gas Concentration is changing ; sources and sinks are not consistent Density mass/volume Examples of green house gasses CH4 , CO2 , CFCs , O3 Farenheit to Celsius C = 5/9 (F-32) Friction strengthens convergen...

ABFAS Practice Exam 2024 Questions And Verified Answers Download To Pass!!!!! Quiz :A 45-year-old male sustained a crush-type injury with early soft tissue necrosis to the left foot. Radiographs are negative for fracture or dislocation. Which of the following tests would be most helpful for determining skin-flap viability? fluorescein dye study. distal plethysmography. segmental pressure gradients. indium scan. - Answer :Rationale: Fluorescein dye studies might not be routinely ordered, ...