Thyroid Hormones Functions Quiz

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What is the primary function of secreting thyroid hormones?

Maintaining optimal metabolism in tissues (correct)

Regulating blood pressure

Improving memory functions

Enhancing muscle growth

Which body system is directly impacted by the secretion of thyroid hormones?

Digestive system

Endocrine system (correct)

Immune system

Nervous system

How does maintaining optimal metabolism in tissues benefit the body?

Causes excessive fatigue

Supports normal organ function (correct)

Promotes rapid weight gain

Triggers inflammation

What happens if the level of thyroid hormones secreted is inadequate?

Decreased metabolism Signup and view all the answers

How do thyroid hormones impact O₂ consumption in the body?

Increase O₂ consumption Signup and view all the answers

Which of the following is a consequence of reduced thyroid hormone secretion?

Sluggish metabolism Signup and view all the answers

What role do thyroid hormones play in regulating metabolism?

Regulate both lipid and carbohydrate metabolism Signup and view all the answers

What is the primary effect of thyroid hormones on mentation?

Enhance cognitive function Signup and view all the answers

How can thyroid hormones influence body mass?

Increase body mass Signup and view all the answers

In what way do thyroid hormones affect lipid and carbohydrate metabolism?

Regulate both lipid and carbohydrate metabolism Signup and view all the answers

What are the common symptoms of hypothyroidism?

Poor resistance to cold and mental and physical slowing Signup and view all the answers

Which hormone regulates TSH?

TRH Signup and view all the answers

In hypothyroidism, what is the main symptom related to temperature?

Cold intolerance Signup and view all the answers

What type of feedback control is involved in regulating thyroid function?

Direct inhibition by T4 Signup and view all the answers

What is the role of TSH in controlling thyroid function?

Directly stimulates thyroid hormone production Signup and view all the answers

What is the consequence of the absence or hypofunction of the thyroid during fetal and neonatal life?

Severe mental retardation Signup and view all the answers

In adults, what symptoms are typically associated with hypothyroidism?

Mental and physical slowing Signup and view all the answers

Which of the following statements about the thyroid's importance for life is accurate?

The thyroid is not essential for life but crucial during fetal and neonatal life Signup and view all the answers

What is a common symptom of hypothyroidism in adults related to body temperature regulation?

Poor resistance to cold Signup and view all the answers

Which hormone secreted by the thyroid gland has the effect of lowering blood calcium levels?

Calcitonin Signup and view all the answers

What is the primary function of calcitonin in the body?

Lower blood calcium levels Signup and view all the answers

How does hypothyroidism affect cognitive function in adults?

Leads to mental slowing Signup and view all the answers

In terms of blood calcium regulation, which hormone opposes the action of calcitonin?

Parathyroid Hormone (PTH) Signup and view all the answers

What is the medical condition characterized by excess secretion of calcitonin leading to low blood calcium levels called?

Hypocalcemia Signup and view all the answers

Which of the following hormones is NOT involved in the regulation of blood calcium levels?

Estrogen Signup and view all the answers