Renal Autoregulation Quiz
18 Questions
2 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What enzyme is secreted by the cells of the afferent arteriole of the glomerulus under sympathetic stimulation or hypovolemia?

  • ANP
  • Renin (correct)
  • Angiotensin 2
  • ACE
  • Which plasma protein, produced by the liver, is converted by renin?

  • Angiotensinogen (correct)
  • ACE
  • Angiotensin 1
  • Angiotensin converting enzyme
  • What stimulates the secretion of aldosterone by the adrenal glands?

  • ANP
  • Calcitonin
  • Elevated blood potassium (correct)
  • Angiotensin 2
  • Which hormone is involved in the regulation of sodium levels along with renin-angiotensin-aldosterone system?

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

    Which enzyme is formed in small amounts in the lungs, proximal convoluted tubule, and other tissues?

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

    Which cells secrete hydrogen ions to maintain normal pH?

    <p>Cells of the proximal convoluted tubule</p> Signup and view all the answers

    What happens to autoregulation of renal blood flow when the innervation of renal vessels is interrupted?

    <p>It continues to operate</p> Signup and view all the answers

    In severe shock, when systolic blood pressure (SBP) falls below 80 mmHg, what happens to renal blood flow and hydrostatic pressure?

    <p>They drop, impairing filtration in the nephrons</p> Signup and view all the answers

    What is the main constituent of urine that is eliminated by the body?

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

    What is the minimum volume of urine needed to excrete waste products from the body per day?

    <p>$500$ ml</p> Signup and view all the answers

    What controls the balance between fluid intake and loss in the body?

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

    What hormone controls the amount of urine produced beyond the minimum needed for waste excretion?

    <p>Antidiuretic hormone (ADH)</p> Signup and view all the answers

    What is the main function of the glomerulus in the kidney?

    <p>Formation of urine</p> Signup and view all the answers

    Which process ensures that blood cells and large molecules remain in the capillaries during urine formation?

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

    What is the role of antidiuretic hormone (ADH) in the regulation of urine volume?

    <p>Promote water reabsorption</p> Signup and view all the answers

    How does the presence of plasma proteins differ between the filtrate in the glomerulus and actual plasma?

    <p>Plasma proteins are reduced in the filtrate</p> Signup and view all the answers

    Which of the following is NOT a process involved in the formation of urine?

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

    How does autoregulation contribute to controlling renal blood flow?

    <p>By regulating blood vessel caliber independently of autoregulation</p> Signup and view all the answers

    More Like This

    Renal Blood Flow Autoregulation
    5 questions
    Renal Autoregulation and Humoral Control
    30 questions
    Renal Blood Flow Regulation Quiz
    58 questions
    L2 Renal Circulation (P1 Mid)
    34 questions
    Use Quizgecko on...
    Browser
    Browser