Froggy Jumps Endocrine System ReviewOnline version Endocrine system review by Almalesha Anderson 1 Which of the following hormones is secreted by the adrenal medulla? a Epinephrine b Cortisol c Aldosterone 2 What is the primary function of insulin? a Decrease blood glucose levels b Increase blood glucose levels c Promote gluconeogenesis 3 The pituitary gland is connected to the hypothalamus by the: a Infundibulum b Thalamus c Corpus callosum 4 Which hormone regulates the body's circadian rhythms? a Melatonin b Prolactin c Thyroxine 5 The thyroid gland requires which mineral to produce its hormones? a Iodine b Calcium c Sodium 6 What hormone is released by the parathyroid glands? a Parathyroid hormone (PTH) b Calcitonin c Aldosterone 7 Which of the following is a function of glucagon? a Increases blood glucose levels b Stimulates protein synthesis c Decreases blood glucose levels 8 Which gland is often referred to as the "master gland"? a Pituitary b Hypothalamus c Thyroid 9 Which hormone is responsible for milk ejection during breastfeeding? a Oxytocin b Prolactin c Progesterone 10 What is the function of antidiuretic hormone (ADH)? a Decrease water loss in urine b Stimulate red blood cell production c Increase urine production 11 The adrenal cortex produces all of the following EXCEPT: a Epinephrine b Cortisol c Aldosterone 12 Which hormone promotes uterine contractions during labor? a Oxytocin b Progesterone c Relaxin 13 The pancreas produces which two hormones? a Insulin and glucagon b Glucagon and aldosterone c Insulin and cortisol 14 A lack of iodine in the diet can lead to: a Goiter b Diabetes mellitus c High Blood Pressure 15 The posterior pituitary stores and releases which two hormones? a ADH and oxytocin b Thyroxine and calcitonin c Growth hormone and prolactin 16 What is the role of aldosterone? a Promotes sodium reabsorption and potassium excretion b Regulates calcium levels in blood c Increases water reabsorption by the kidneys 17 Which hormone is released in response to long-term stress? a Cortisol b Epinephrine c Glucagon 18 The primary function of thyroid hormones is to: a Regulate metabolism b Stimulate bone growth c Maintain blood pressure 19 Which gland is responsible for regulating calcium homeostasis along with the parathyroid glands? a Thyroid gland b Adrenal gland c Pancreas 20 What is the role of growth hormone (GH)? a Promotes protein synthesis and tissue growth b Increases fat storage c Stimulates uterine contractions 21 Which of the following is a primary function of the endocrine system? a Hormone production and secretion b Gas exchange c Blood filtration 22 The pituitary gland is controlled by which part of the brain? a Hypothalamus b Medulla oblongata c Cerebellum 23 Which hormone is secreted by the posterior pituitary? a Antidiuretic hormone (ADH) b Growth hormone (GH) c Prolactin 24 Which hormone is responsible for the fight-or-flight response? a Epinephrine b Melatonin c Oxytocin 25 What is the target organ of thyroid-stimulating hormone (TSH)? a Thyroid gland b Adrenal glands c Pancreas 26 Which hormone is released by the pineal gland? a Melatonin b Prolactin c Oxytocin 27 What is the function of glucagon? a Increases blood glucose levels b Lowers blood glucose levels c Promotes the storage of glucose 28 What does the term “endocrine” refer to? a Secretion into the bloodstream b Secretion onto the skin surface c Secretion through ducts 29 Which hormone is secreted in response to low blood calcium levels? a Parathyroid hormone (PTH) b Calcitonin c Thyroxine 30 Which gland is both endocrine and exocrine in function? a Pancreas b Adrenal gland c Pituitary gland
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