Exercise Endocrine Glands Question & Answer Guide (With Explanation)

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This question relates to exercise endocrine glands and requires a structured academic response.

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Key Explanation

This topic involves exercise endocrine glands. A strong answer should include explanation, application, and examples.

Original Question

Exercise 1: Endocrine glands function by releasing hormones that move through the blood to targets throughout the body. The structures labeled A-J in Figure 2 are true endocrine glands; however, other tissues and organs, like adipose tissue and your kidneys and heart, can also produce hormones. Identify the endocrine glands in the figure and then match them with the hormone(s) they produce. _____ Adrenocorticotropic hormone (ACTH) _____ Insulin _____ Antidiuretic hormone (ADH) _____ Luteinizing hormone (LH) _____ Aldosterone _____ Melatonin _____ Cortisol _____ Oxytocin _____ Epinephrine _____ Progesterone _____ Estrogen _____ Prolactin _____ Follicle stimulating hormone (FSH) _____ Testosterone _____ Glucagon _____ Thyroxine _____ Growth hormone (GH) _____ Thyroid stimulating hormone (TSH) Exercise 2: Endocrine disorders can often be difficult to diagnose because many can present very similar symptoms. Diagnosis often requires a combination of lab work and a patient’s history. On Table 2, you will see several different endocrine disorders with common physical symptoms and lab results. Use this information to answer the questions below. Table 2: Endocrine Disorders Disorders Symptoms Lab Test Results Acromegaly Enlarged hands and feet, excessive sweating, fatigue, muscle weakness, pain, limited joint mobility Elevated levels of insulin, like growth factor I Addison’s Disease Fatigue, increased pigment in the skin, weight loss, muscle weakness Low sodium, high potassium, high ACTH, low cortisol in the blood Cushing’s Syndrome Backache, anxiety, muscle weakness, extra fat deposits on the back of the neck and upper back (aka “buffalo hump”), females may experience irregular menstrual cycle High levels of cortisol in the blood Diabetes Insipidus Frequent urination, excessive thirst Normal blood glucose level, no glucose in the urine, low ADH level in the blood Hyperparathyroidism Excessive thirst, weak or broken bones, fatigue, nausea High calcium and parathyroid hormone levels in the blood Hyperthyroidism Elevated body temp, extreme sweating, nervousness, rapid heart rate, weight loss, irregular menstrual cycle in females High thyroxine and low TSH in the blood Hypothyroidism Fatigue, muscle weakness, depression, weight gain, low body temperature, intolerant of cold Low thyroxine and high TSH in the blood Polycystic Ovarian Syndrome (PCOS) Acne, unwanted hair growth, weight gain, fatigue, infertility, mood changes, sleep problems Elevated levels of testosterone and LH, low levels of FSH in blood Type I Diabetes Mellitus Frequent urination, excessive thirst, weight loss Glucose in urine, elevated blood glucose, islet cell antibody in the blood Type 2 Diabetes Mellitus Frequent urination, excessive thirst Glucose in urine, elevated blood glucose, no islet cell antibody in the blood Question: 1. What is the most frequent physical symptom of the disorders described above? 2. Why are blood tests used to diagnose endocrine disorders? 3. Why is it so important to consider age and sex when diagnosing an endocrine disorder? Case Study 1: A 37-year-old woman goes to her doctor and complains of anxiety, muscle weakness, and depression. Which of the disorders listed on the table above could explain her symptoms? What other symptoms might you look for or what other tests might you run to distinguish between these disorders? Case Study 2: A 34-year-old man complains he is tired a lot and he has lost a substantial amount of weight over the past few months. A routine blood test shows low sodium levels, but his blood glucose levels are normal. What test would you order next? Why? What results could help you make a diagnosis? Case Study 3: Your patient is a 28-year-old woman who has complained of menstrual irregularities and infertility despite actively trying to get pregnant for 14 months. She also mentioned that she has to wax her face a lot due to hair growth. How would you diagnose this patient? Which lab result may explain the hair growth? What does this patient have to be careful of developing in the future? Case Study 4: A seemingly healthy 42-year-old-man comes into the ED with a broken arm. The doctor set the bone with no issue but is concerned that the patient’s bones are unusually weak. The man follows up with an endocrinologist and during that appointment, he reports fatigue and nausea. What disorder could this patient have? How could you confirm the diagnosis? Table 1 from WikiCommons, Figure 1 from WikiCommons, and additional information from OpenStax Biology. This lab is licensed under a Creative Commons Attribution License License (3.0) This page titled Lab 12: Endocrine System is shared under a CC BY-SA 4.0 license and was authored, remixed, and/or curated by Susan Burran and David DesRochers (GALILEO Open Learning Materials) via source content that was edited to the style and standards of the LibreTexts platform; a detailed edit history is available upon request.

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