Endocrine System Quiz
38 Questions
0 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

Which of the following is NOT a major endocrine organ?

  • Adrenal
  • Thyroid
  • Pituitary
  • Liver (correct)

    • What is the term for the time required to reduce a hormone's blood concentration by one half?

    Half-life

    Which type of hormone is synthesized on demand from precursors?

  • Peptide Hormones (correct)
  • Steroid Hormones
  • Catecholamines
  • Amine Hormones

    • Which of the following is NOT a way hormones alter cellular reactions?

    <p>Directly altering DNA sequence.</p> Signup and view all the answers

    The extent of target cell activation by a hormone depends on all of the following EXCEPT:

    <p>The size of the target cell.</p> Signup and view all the answers

    Hormonal stimulation of endocrine glands refers to:

    <p>Hormones influencing the secretion of other hormones.</p> Signup and view all the answers

    What is the primary function of growth hormone (GH)?

    <p>Promote cell division and proliferation.</p> Signup and view all the answers

    How does physical activity affect GH's action on target tissues?

    <p>It augments GH's action.</p> Signup and view all the answers

    What are the main functions of insulin-like growth factors (IGFs)?

    <p>Mediate many of GH's effects.</p> Signup and view all the answers

    What is the primary function of thyrotropin (TSH)?

    <p>Control thyroid gland secretion.</p> Signup and view all the answers

    Adrenocorticotropic hormone (ACTH) plays a key role in:

    <p>Regulating adrenal cortex output.</p> Signup and view all the answers

    Which hormone initiates and supports milk secretion from mammary glands?

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

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

    <p>Inhibit water excretion by the kidneys.</p> Signup and view all the answers

    What are the two main thyroid hormones?

    <p>T4 and T3</p> Signup and view all the answers

    What is the function of parathyroid hormone (PTH)?

    <p>Control blood calcium balance.</p> Signup and view all the answers

    What are the two main structures of the adrenal glands?

    <p>Medulla and Cortex</p> Signup and view all the answers

    What is the main function of aldosterone?

    <p>Regulate mineral balance in extracellular fluids.</p> Signup and view all the answers

    Which of the following is NOT an effect of cortisol?

    <p>Stimulates calcium uptake by bones.</p> Signup and view all the answers

    What are the two types of cells found in the islets of Langerhans of the pancreas? * A. Alpha and Beta Cells * B. Delta and Gamma Cells * C. Acinar and Ductal Cells * D. Chief and Oxyphil Cells

    <p>Alpha and Beta Cells</p> Signup and view all the answers

    What is the primary function of insulin? * A. Increase blood sugar levels. * B. Regulate glucose entry into tissues. * C. Stimulate protein breakdown. * D. Promote fat storage.

    <p>Regulate glucose entry into tissues.</p> Signup and view all the answers

    Which of the following is a risk factor for type 2 diabetes? * A. Low blood pressure * B. High HDL cholesterol * C. Body mass exceeding 20% of ideal * D. Low triglyceride levels

    <p>Body mass exceeding 20% of ideal</p> Signup and view all the answers

    What is glycosuria? * A. Excessive thirst * B. Frequent urination * C. Glucose in the urine * D. Extreme hunger

    <p>Glucose in the urine</p> Signup and view all the answers

    Which test for diabetes measures blood sugar levels 2 hours after drinking 75g of glucose? * Α. Fasting plasma glucose (FPG) test * B. Hemoglobin A1c test * C. Oral glucose tolerance test (OGTT) * D. Random plasma glucose test

    <p>Oral glucose tolerance test (OGTT)</p> Signup and view all the answers

    What is the Hemoglobin A1c test (HbA1c) used to measure? * A. Average blood sugar levels over the past 2-3 months. * B. Insulin levels in the blood. * C. C-peptide levels, a marker of insulin production. * D. Ketone levels in the urine.

    <p>Average blood sugar levels over the past 2-3 months.</p> Signup and view all the answers

    How does regular physical activity affect the risk of developing type 2 diabetes? * A. Reduces the risk * B. Increases the risk * C. Has no effect * D. The relationship is unclear

    <p>Reduces the risk</p> Signup and view all the answers

    What is the primary function of glucagon? * A. Increase blood sugar levels. * B. Lower blood sugar levels. * C. Promote protein synthesis. * D. Stimulate fat storage.

    <p>Increase blood sugar levels.</p> Signup and view all the answers

    How does endurance training affect the hormonal response to exercise? * A. Increases the magnitude of the response. * B. Produces a decline in the magnitude of the response. * C. Has no effect on the response.* D. Causes an unpredictable response.

    <p>Increases the magnitude of the response.</p> Signup and view all the answers

    Which two hormones are primarily responsible for adaptations to resistance training? * A. Insulin and Glucagon * B. Cortisol and Aldosterone * C. Testosterone and GH * D. Epinephrine and Norepinephrine

    <p>Testosterone and GH</p> Signup and view all the answers

    What percentage of oxygen is present in the air at the top of Mount Everest?

    <p>15%</p> Signup and view all the answers

    Why does the partial pressure of oxygen (PO2) decrease at higher altitudes?

    <p>The atmospheric pressure decreases.</p> Signup and view all the answers

    What is the primary physiological response to altitude exposure?

    <p>Increased respiratory drive leading to hyperventilation.</p> Signup and view all the answers

    What happens to resting blood pressure in the early stages of altitude adaptation?

    <p>It increases.</p> Signup and view all the answers

    How does prolonged cold stress affect hormonal output?

    <p>It stimulates the release of thyroxine.</p> Signup and view all the answers

    What is the most important factor determining the effectiveness of evaporative heat loss?

    <p>Relative humidity</p> Signup and view all the answers

    What is the primary mechanism for heat dissipation during exercise?

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

    During exercise in the heat, what cardiovascular demands compete for blood flow?

    <p>Muscles requiring oxygen and the periphery for cooling</p> Signup and view all the answers

    What is the ideal condition for fluid replacement during exercise?

    <p>Replace water loss at a rate close to or equal to sweating rate.</p> Signup and view all the answers

    Which electrolyte is particularly important to include in rehydration drinks?

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

    Study Notes

    Endocrine System Questions

    • Question 1: Which of the following is NOT a major endocrine organ?

      • Liver is not a major endocrine organ

    • Question 2: What is the term for the time required to reduce a hormone's blood concentration by one half?

      • Half-life

    • Question 3: Which type of hormone is synthesized on demand from precursors?

      • Peptide hormones

    • Question 4: Where are the receptors for steroid hormones located?

      • Cytoplasm or nucleus

    • Question 5: What is the function of cyclic AMP in hormone action?

      • Acts as a second messenger to activate protein kinase.

    • Question 6: Which of the following is NOT a way hormones alter cellular reactions?

      • Directly altering DNA sequence

    • Question 7: The extent of target cell activation by a hormone depends on all of the following EXCEPT:

      • The size of the target cell

    • Question 8: Hormonal stimulation of endocrine glands refers to:

      • Hormones influencing the secretion of other hormones

    • Question 9: What is the primary function of growth hormone (GH)?

      • Promote cell division and proliferation.

    • Question 10: How does physical activity affect GH's action on target tissues?

      • It augments GH's action.

    • Question 11: What are the main functions of insulin-like growth factors (IGFs)?

      • Mediate many of GH's effects

    • Question 12: What is the primary function of thyrotropin (TSH)?

      • Control thyroid gland secretion

    • Question 13: Adrenocorticotropic hormone (ACTH) plays a key role in:

      • Regulating adrenal cortex output

    • Question 14: Which hormone initiates and supports milk secretion from mammary glands?

      • Prolactin

    • Question 15: What is the primary function of antidiuretic hormone (ADH)?

      • Inhibit water excretion by the kidneys

    • Question 16: What are the two main thyroid hormones?

      • T4 and T3

    • Question 17: What is the function of parathyroid hormone (PTH)?

      • Control blood calcium balance

    • Question 18: What are the two main structures of the adrenal glands?

      • Medulla and Cortex

    • Question 19: What is the main function of aldosterone?

      • Regulate mineral balance in extracellular fluids

    • Question 20: Which of the following is NOT an effect of cortisol?

      • Stimulates calcium uptake by bones

    • Question 21: What are the two types of cells found in the islets of Langerhans of the pancreas?

      • Alpha and Beta Cells

    • Question 22: What is the primary function of insulin?

      • Regulate glucose entry into tissues

    • Question 23: [Unanswered Question]

    • Question 24: Which of the following is a risk factor for type 2 diabetes?

      • Body mass exceeding 20% of ideal

    • Question 25: Which test for diabetes measures blood sugar levels 2 hours after drinking 75g of glucose?

      • Oral glucose tolerance test (OGTT)

    • Question 26: What is the Hemoglobin A1c test (HbA1c) used to measure?

      • Average blood sugar levels over the past 2-3 months

    • Question 27: How does regular physical activity affect the risk of developing type 2 diabetes?

      • Reduces the risk

    • Question 28: What is the primary function of glucagon?

      • Increase blood sugar levels

    • Question 29: How does endurance training affect the hormonal response to exercise?

      • Produce a decline in the magnitude of the response

    • Question 30: Which two hormones are primarily responsible for adaptations to resistance training?

      • Testosterone and GH

    • Question 31: What percentage of oxygen is present in the air at the top of Mount Everest?

      • 21%

    • Question 32: Why does the partial pressure of oxygen (PO2) decrease at higher altitudes?

      • The atmospheric pressure decreases

    • Question 33: What is the primary physiological response to altitude exposure?

      • Increased respiratory drive leading to hyperventilation

    • Question 34: What happens to resting blood pressure in the early stages of altitude adaptation?

      • It decreases

    • Question 35: How does prolonged cold stress affect hormonal output?

      • Stimulates the release of thyroxine

    • Question 36: What is the most important factor determining the effectiveness of evaporative heat loss?

      • Relative humidity

    • Question 37: What is the primary mechanism for heat dissipation during exercise?

      • Evaporation

    • Question 38: During exercise in the heat, what cardiovascular demands compete for blood flow?

      • Muscles requiring oxygen and the periphery for cooling

    • Question 39: What is the ideal condition for fluid replacement during exercise?

      • Replace water lost at a rate close to or equal to sweating rate.

    • Question 40: Which electrolyte is particularly important to include in rehydration drinks?

      • Sodium

    Studying That Suits You

    Use AI to generate personalized quizzes and flashcards to suit your learning preferences.

    Quiz Team

    Related Documents

    Exercise Physiology Midterm PDF

    Description

    Test your knowledge of the endocrine system with this quiz. Covering major endocrine organs, hormone functions, and the mechanics of hormonal action, it explores key concepts that are vital for understanding this complex system. Perfect for students and enthusiasts alike!

    More Like This

    Endocrine System and Hormones Quiz
    30 questions

    Endocrine System and Hormones Quiz

    WellInformedIridium avatar
    WellInformedIridium
    Endocrine System Hormones Quiz
    9 questions

    Endocrine System Hormones Quiz

    CatchyTundra991 avatar
    CatchyTundra991
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser