A Quiz On Thyroid Diseases

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  • 1/16 Questions

    Hypoparathyroidism is marked by the decreased production of ______.

    • PTH
    • PTO
    • TRH
    • PYT
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About This Quiz

Explore the roles of PTH and calcitonin in calcium homeostasis with our 'A Quiz On Thyroid Diseases'. This quiz assesses understanding of the parathyroid function, its hormone's impact on calcium levels in the body, and the interplay between thyroid and parathyroid glands.

A Quiz On Thyroid Diseases - Quiz

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  • 2. 

    PTH stands for.....

    • Parathyroid Hormone

    • Pituitary Hormone

    • Perfect Timing Hormone (If you don't have it you're always late)

    • Parathymus Hormone

    Correct Answer
    A. Parathyroid Hormone
    Explanation
    PTH stands for Parathyroid Hormone. The parathyroid hormone is a hormone produced by the parathyroid glands, which are located in the neck. This hormone helps regulate the levels of calcium and phosphate in the body. It increases the release of calcium from bones into the bloodstream, enhances the absorption of calcium in the intestines, and reduces the excretion of calcium in the urine. Overall, PTH plays a crucial role in maintaining the balance of calcium in the body, which is essential for proper functioning of nerves, muscles, and bones.

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  • 3. 

    Calcium homeostasis is maintained via the opposing effects of calcitonin and PTH. 

    • True

    • False

    Correct Answer
    A. True
    Explanation
    It's all about calcium harmony.

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  • 4. 

    Hyperparathyroidism is marked by the increased production of _________

    • PTH

    • TRH

    • TSH

    • GH

    Correct Answer
    A. PTH
    Explanation
    Hyperparathyroidism is a condition characterized by the excessive production of parathyroid hormone (PTH). PTH plays a crucial role in regulating calcium levels in the body. When there is an overproduction of PTH, it can lead to elevated levels of calcium in the blood, which can have various effects on the body, such as weakening of the bones, kidney stones, and gastrointestinal issues. Therefore, the correct answer is PTH.

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  • 5. 

    The thyroid gland secretes _____ and the parathyroid gland secretes ____.

    • Calcitonin, PTH

    • PTH, Calcitonin

    • Calcitonin, TRH

    • Calcitonin, TSH

    Correct Answer
    A. Calcitonin, PTH
    Explanation
    The thyroid gland secretes calcitonin, which helps regulate calcium levels in the blood by inhibiting bone breakdown and increasing calcium excretion in the kidneys. On the other hand, the parathyroid gland secretes parathyroid hormone (PTH), which increases blood calcium levels by stimulating bone breakdown, increasing calcium absorption in the intestines, and reducing calcium excretion in the kidneys.

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  • 6. 

    PTH causes the release of calcium from ______, increases absorption from the _____, and reduces the amount calcium excreted from the _____.

    • Bone, intestines, kidneys

    • Bone, liver, kidneys

    • Bone marrow, intestines, kidneys

    • The blood, bones, kidneys

    Correct Answer
    A. Bone, intestines, kidneys
    Explanation
    PTH, or parathyroid hormone, is responsible for regulating calcium levels in the body. It causes the release of calcium from the bones, increases calcium absorption from the intestines, and reduces the amount of calcium excreted from the kidneys. This helps to maintain a balance of calcium in the blood and ensure proper functioning of various bodily processes that require calcium.

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  • 7. 

    If calcium level is too high, the parathyroid gland increases the secretion of PTH.

    • True

    • False

    Correct Answer
    A. False
    Explanation
    Decreases it.

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  • 8. 

    Parathyroid Function Tests: PTH is tested for hyper or hypoparathyroidism in patients with _______.

    • Hypocalcemia or Hypercalcemia

    • Hypoglycemia or Hyperglycemia

    • Hypophosphatemia or Hyperphosphatemia

    • Neuromuscular excitibility and PU/PD

    Correct Answer
    A. Hypocalcemia or Hypercalcemia
    Explanation
    Parathyroid Function Tests are used to determine the levels of parathyroid hormone (PTH) in the blood. PTH is responsible for regulating calcium levels in the body. Therefore, these tests are performed in patients with symptoms or suspected cases of either hypocalcemia (low calcium levels) or hypercalcemia (high calcium levels). By measuring PTH levels, healthcare providers can assess the functioning of the parathyroid glands and diagnose hyperparathyroidism or hypoparathyroidism.

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  • 9. 

    The parathyroid gland _______ blood calcium levels by releasing _____.

    • Increases, PTH

    • Decreases, PTH

    • Increases, Calcitonin

    • Decreases, Calcitonin

    Correct Answer
    A. Increases, PTH
    Explanation
    The parathyroid gland increases blood calcium levels by releasing parathyroid hormone (PTH). PTH acts on the bones, kidneys, and intestines to increase the release of calcium from the bones, enhance the reabsorption of calcium in the kidneys, and stimulate the absorption of calcium in the intestines. This helps to maintain the appropriate levels of calcium in the blood.

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  • 10. 

    Neuromuscular excitability is observed in dogs with hypoparathyroidism.

    • True

    • False

    Correct Answer
    A. True
    Explanation
    Neuromuscular excitability refers to the ability of the nerves and muscles to respond to stimuli. Hypoparathyroidism is a condition characterized by low levels of parathyroid hormone, which can lead to imbalances in calcium and phosphorus levels. In dogs with hypoparathyroidism, the low levels of parathyroid hormone can cause increased neuromuscular excitability, leading to symptoms such as muscle twitching, tremors, and seizures. Therefore, the statement that neuromuscular excitability is observed in dogs with hypoparathyroidism is true.

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  • 11. 

    An increased concentration of circulating ____ in the bloodstream is observable in patients with hyperparathyroidism. 

    • Thyroxine-a, T4

    • Thyroxine-b, T4

    • Thyroxin-a, T3

    • Thyroixin-b, T3

    Correct Answer
    A. Thyroxine-a, T4
    Explanation
    In patients with hyperparathyroidism, there is an increased concentration of circulating Thyroxine-a, also known as T4, in the bloodstream. This hormone is produced by the thyroid gland and plays a crucial role in regulating metabolism. Hyperparathyroidism is a condition characterized by the overactivity of the parathyroid glands, which can lead to an imbalance of various hormones in the body, including T4. Therefore, an increased concentration of T4 can be observed in patients with hyperparathyroidism.

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  • 12. 

    Nutritional Secondary Hyperparathyroidism (NSH) is caused by _____.

    • Low calcium, high phosphorus diets

    • High calcium, low phosphorus diets

    • High protein diets

    • Low protein diets

    Correct Answer
    A. Low calcium, high phosphorus diets
    Explanation
    Nutritional Secondary Hyperparathyroidism (NSH) is caused by low calcium, high phosphorus diets. This condition occurs when there is an imbalance between calcium and phosphorus levels in the diet. A diet that is low in calcium and high in phosphorus can lead to decreased calcium absorption and increased phosphorus levels in the blood. This imbalance triggers the release of parathyroid hormone, which causes the bones to release calcium into the blood, leading to bone demineralization and the development of NSH.

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  • 13. 

    What sort of diets usually have low calcium and high phosphorus?

    • All meat diet

    • All dry food diet

    • Organic food diet

    • Raw food diet

    Correct Answer
    A. All meat diet
    Explanation
    An all meat diet usually has low calcium and high phosphorus because meat is generally low in calcium and high in phosphorus compared to other food sources. Calcium is essential for maintaining strong bones and teeth, while phosphorus is important for energy production and cell function. Therefore, a diet that consists solely of meat may not provide adequate calcium for the body's needs, potentially leading to calcium deficiency and related health issues.

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  • 14. 

    Nutritional Secondary Hyperparathyroidism is common in ________.

    • Young, growing cats

    • Old, aging cats

    • Young, growing dogs

    • Old, aging dogs

    Correct Answer
    A. Young, growing cats
    Explanation
    Nutritional Secondary Hyperparathyroidism is common in young, growing cats because they have higher calcium requirements during their rapid growth phase. If their diet lacks sufficient calcium, their body will mobilize calcium from the bones, leading to imbalances in calcium and phosphorus levels. This can result in the overstimulation of the parathyroid gland, leading to the development of Nutritional Secondary Hyperparathyroidism. This condition is less common in old, aging cats as their calcium requirements decrease with age.

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  • 15. 

    Nutritional Secondary Hyperparathyroidism (NSH) is commonly diagnosed as lameness and joint pain in aging cats fed a mainly all meat diet. 

    • True

    • False

    Correct Answer
    A. False
    Explanation
    In kittens from 12 weeks of age.

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  • 16. 

    Hypoparathyroidism is primarily seen in ____.

    • Dogs

    • Cats

    • Kittens from 12 weeks of age

    • Wobbly hedgehogs

    Correct Answer
    A. Dogs
    Explanation
    Hypoparathyroidism is primarily seen in dogs. This condition occurs when the parathyroid glands, which are responsible for regulating calcium levels in the body, do not produce enough parathyroid hormone. Dogs with hypoparathyroidism may experience symptoms such as muscle tremors, weakness, seizures, and difficulty breathing. Treatment typically involves supplementation with calcium and vitamin D to help regulate calcium levels in the body. While hypoparathyroidism can occur in other animals, such as cats, the question specifically asks for the primary species affected, which is dogs.

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  • Mar 21, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Mar 25, 2016
    Quiz Created by
    Thesortinghat
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