Final Test 3
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Questions and Answers

Which hormone is responsible for the release of a mature egg in the ovaries?

  • ACTH
  • LH (correct)
  • ADH
  • TSH
  • Which gland is responsible for the production of adrenaline and noradrenaline?

  • Adrenal gland (correct)
  • Pancreas
  • Thyroid gland
  • Pituitary gland
  • Which hormone regulates the secretion of insulin and glucagon?

  • Somatostatin (correct)
  • Prolactin
  • ADH
  • Melatonin
  • Which gland is responsible for metabolism regulation?

    <p>Thyroid gland</p> Signup and view all the answers

    Which gland is the primary organ of the lymphatic system?

    <p>Thymus gland</p> Signup and view all the answers

    Calcitonin is produced in which cells of the thyroid?

    <p>Follicular cells</p> Signup and view all the answers

    What is the function of calcitonin?

    <p>Reducing blood calcium levels</p> Signup and view all the answers

    How does calcitonin work in relation to parathyroid hormone?

    <p>They have opposite functions</p> Signup and view all the answers

    What is the target tissue of calcitonin?

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

    Parathyroid hormone increases the reabsorption of calcium from urine back into the blood and increases the absorption of calcium from food in the gastrointestinal tract. What is the target tissue of PTH?

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

    Which type of immunity is characterized by the production of antibodies in response to harmful agents?

    <p>Humoral immunity</p> Signup and view all the answers

    Which type of T cell directly attacks infected cells?

    <p>Killer T cell</p> Signup and view all the answers

    What is the main function of lymph nodes?

    <p>Mechanical filtration</p> Signup and view all the answers

    Which type of immunity is the initial response by the body to eliminate microbes and prevent infection?

    <p>Innate immunity</p> Signup and view all the answers

    What are the inflammatory mediators that attract other white blood cells to the area called?

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

    Which phase of the cardiac cycle occurs immediately after the closure of the SL valves?

    <p>Isovolumetric Ventricular Relaxation</p> Signup and view all the answers

    What is the role of the baroreceptors in the autonomic nervous system?

    <p>To regulate blood pressure</p> Signup and view all the answers

    What is the formula for calculating cardiac output?

    <p>Cardiac output = stroke volume x heart rate</p> Signup and view all the answers

    According to Starling's Law of the heart, what affects stroke volume?

    <p>The length or stretch of heart fibers at the beginning of contraction</p> Signup and view all the answers

    What is the outermost layer of the heart wall called?

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

    Which type of leukocyte accounts for 25% of white blood cells and is the smallest in size?

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

    What is the function of neutrophils?

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

    Which protein, made in the liver, is the most abundant circulating protein found in the plasma and helps maintain osmotic pressure?

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

    What is the process called when blood cells pass through capillary walls into the tissue, typically accompanying inflammation?

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

    What is the function of thrombocytes (platelets)?

    <p>Assist in blood clotting</p> Signup and view all the answers

    Which layer of the blood vessels contains smooth muscle tissue?

    <p>Tunica media</p> Signup and view all the answers

    Which wave in an ECG represents the depolarization of the ventricles?

    <p>QRS complex</p> Signup and view all the answers

    What is the purpose of the hepatic portal vein?

    <p>To filter the blood before it reaches the inferior vena cava</p> Signup and view all the answers

    What is peripheral resistance?

    <p>The resistance to blood flow imposed by the force of friction between blood and the walls of its vessels</p> Signup and view all the answers

    Which type of lymphocyte is responsible for antibody mediated immunity?

    <p>B cells</p> Signup and view all the answers

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