Endoplasmic Reticulum Functions
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Questions and Answers

What is the main focus of physiology?

  • Analyzing the genetic makeup of cells
  • Studying the function of the living organism and its parts (correct)
  • Exploring the chemical composition of the human body
  • Understanding the structure of living organisms

    • Which of the following best describes pathophysiology?

  • The study of psychological processes in the body
  • The study of disease or disordered body function (correct)
  • The study of physical therapy techniques
  • The study of healthy body function

    • In terms of organization, what comes after tissues in the human body?

  • Physiological processes
  • Cellular structures
  • Organs (correct)
  • Organ systems

    • What is the approximate number of cells in the human body?

    <p>~100 trillion</p> Signup and view all the answers

    Which atoms make up approximately 96% of the total body chemistry?

    <p>H, O, C, N</p> Signup and view all the answers

    What distinguishes human physiology from general physiology?

    <p>Human physiology explains characteristics unique to humans</p> Signup and view all the answers

    What is the main function of secondary active transport antiport?

    <p>Counter-transport of calcium</p> Signup and view all the answers

    Which process involves the help of ATP to move substances into or out of cells 'in bulk' without crossing the plasma membrane directly?

    <p>Vesicular transport</p> Signup and view all the answers

    In vesicular transport, what type of vesicular transport is involved in actively secreting hormones, mucus, cell products, or ejecting cellular wastes?

    <p>Exocytosis</p> Signup and view all the answers

    What is the main function of Sodium-Glucose co-transporters?

    <p>Carrying two different ions in the same direction</p> Signup and view all the answers

    Which process is described as taking up extracellular substances by enclosing them in a vesicle?

    <p>Endocytosis</p> Signup and view all the answers

    What is the primary function of the mitochondria?

    <p>Extraction of energy from nutrients</p> Signup and view all the answers

    Which organelle is responsible for lipid synthesis in the cell?

    <p>Endoplasmic reticulum</p> Signup and view all the answers

    What is the space inside the tubules of the endoplasmic reticulum called?

    <p>Endoplasmic matrix</p> Signup and view all the answers

    Which organelle is often referred to as the 'Control Center' of the cell?

    <p>Nucleus</p> Signup and view all the answers

    What does the term 'selective permeability' refer to in relation to the plasma membrane?

    <p>Barrier allows some substances to pass while excluding others</p> Signup and view all the answers

    Where are newly synthesized proteins extruded into according to the text?

    <p>Endoplasmic reticulum matrix</p> Signup and view all the answers

    What measurements were taken after subjects imagined themselves doing dumbbell curls?

    <p>Blood pressure measurements</p> Signup and view all the answers

    Which term is used for responses made after a change has been detected?

    <p>Feedback</p> Signup and view all the answers

    What were the results regarding respiration rate and volume of breath after imagery?

    <p>They were significantly higher compared to baseline</p> Signup and view all the answers

    What was the response made in anticipation of a change called?

    <p>Feedforward</p> Signup and view all the answers

    What is the main characteristic of Primary Active Transport?

    <p>It requires energy to move substances against their concentration gradient</p> Signup and view all the answers

    Which of the following substances is pumped outward through the cell membrane by the Na+-K+ pump?

    <p>Sodium ions</p> Signup and view all the answers

    What is one of the important roles of Primary Active Transport involving the Na+-K+ pump?

    <p>Establishing concentration gradients critical for nerve and muscle cell function</p> Signup and view all the answers

    In Secondary Active Transport, how is the energy used in the process different from Primary Active Transport?

    <p>Energy is not directly used to power transport across gradients</p> Signup and view all the answers

    What type of transport helps regulate cell volume by controlling solute concentrations inside the cell?

    <p>Active Transport</p> Signup and view all the answers

    What serves as the indirect energy source for Secondary Active Transport?

    <p>Energy used by Primary Active Transport processes</p> Signup and view all the answers

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