Endocrine System Control and Regulation
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Questions and Answers

What is the primary function of the endocrine system?

  • To alter cell activity by regulating normal cellular processes (correct)
  • To regulate muscle contractions
  • To transmit nerve impulses throughout the body
  • To control the body's response to stress

    • What is the result of negative feedback mechanisms in the body?

  • An increase in body temperature
  • A decrease in blood pressure
  • A state of homeostasis is maintained (correct)
  • A continuous increase in hormone production

    • What is the role of insulin in the body?

  • To regulate blood pressure
  • To increase blood glucose levels
  • To decrease blood glucose levels (correct)
  • To stimulate the fight or flight response

    • Which of the following is an example of negative feedback?

    <p>The regulation of blood glucose levels by insulin</p> Signup and view all the answers

    What is the purpose of antagonistic hormones in the body?

    <p>To maintain homeostasis</p> Signup and view all the answers

    What is the role of the pancreas in regulating blood glucose levels?

    <p>To release insulin to decrease blood glucose levels</p> Signup and view all the answers

    What is the effect of aldosterone on the kidneys?

    <p>It increases sodium and water retention</p> Signup and view all the answers

    What is the primary function of erythropoietin (EPO) hormone?

    <p>Production of red blood cells</p> Signup and view all the answers

    What is the effect of high altitude training on erythropoietin production?

    <p>It naturally stimulates EPO production</p> Signup and view all the answers

    What are the main functions of testosterone in both males and females?

    <p>Maintaining muscle tone, volume and strength, and increasing basal metabolic rate</p> Signup and view all the answers

    What happens to testosterone levels in females compared to males?

    <p>Females have about 1/10 the amount of testosterone as males</p> Signup and view all the answers

    What is the effect of exercise on testosterone levels?

    <p>Exercise increases testosterone levels for a short period of time</p> Signup and view all the answers

    What is the primary function of oxytocin in childbirth?

    <p>To stimulate and enhance labor contractions</p> Signup and view all the answers

    What is the role of the hypothalamus in the endocrine system?

    <p>To act as the link between the endocrine and nervous systems</p> Signup and view all the answers

    Which gland is often referred to as the 'Master Gland' of the body?

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

    What is the primary function of antidiuretic hormone (ADH)?

    <p>To regulate the fluid volume in the body</p> Signup and view all the answers

    What is the role of the pituitary gland in the endocrine system?

    <p>To secrete hormones that stimulate other glands</p> Signup and view all the answers

    What is the characteristic of positive feedback mechanisms?

    <p>They control events that can be out of control</p> Signup and view all the answers

    What are the two hormones produced by the pancreas that regulate blood sugar levels?

    <p>Insulin and glucagon</p> Signup and view all the answers

    During which state is the secretion of insulin increased?

    <p>Absorptive state</p> Signup and view all the answers

    What is the function of glucagon?

    <p>To break down glycogen into glucose</p> Signup and view all the answers

    What is the result of abnormal insulin and glucagon regulation?

    <p>Diabetes mellitus</p> Signup and view all the answers

    What is the target tissue of insulin?

    <p>Liver and skeletal muscle</p> Signup and view all the answers

    What is the energy source obtained by the degradation of carbohydrates and lipids during exercise?

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

    What is the name of the enzyme that breaks down triglycerides into fatty acids and glycerol?

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

    What is the primary function of sweating during exercise?

    <p>To regulate body temperature</p> Signup and view all the answers

    What happens to urine flow during exercise?

    <p>It decreases to conserve water</p> Signup and view all the answers

    Why is it important to consume water before feeling thirsty during exercise?

    <p>Because thirst is a reactive mechanism that kicks in when we are already experiencing dehydration</p> Signup and view all the answers

    What happens to electrolyte concentration during exercise?

    <p>It increases due to water loss</p> Signup and view all the answers

    How much water content can individuals lose during high-intensity, long-duration exercise, such as a marathon?

    <p>Up to 6-10% of water content</p> Signup and view all the answers

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