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Questions and Answers
What is the most likely reason for the absence of hypoglycemia in a person who consumes a low-carbohydrate meal rich in proteins?
What is the most likely reason for the absence of hypoglycemia in a person who consumes a low-carbohydrate meal rich in proteins?
- Suppression of somatomedin C secretion
- Stimulation of cortisol secretion
- Stimulation of glucagon secretion (correct)
- Suppression of GH secretion
A 46-year-old man has 'puffy' skin and is lethargic, with a low plasma TSH concentration. What is the most likely diagnosis?
A 46-year-old man has 'puffy' skin and is lethargic, with a low plasma TSH concentration. What is the most likely diagnosis?
- Hypothyroidism due to an abnormality in the hypothalamus (correct)
- Hyperthyroidism due to an abnormality in the hypothalamus
- Hypothyroidism due to an abnormality in the pituitary
- Hyperthyroidism due to an abnormality in the thyroid
Which of the following pairs of hormones and corresponding actions is incorrect?
Which of the following pairs of hormones and corresponding actions is incorrect?
- Cortisol—decreased glucose uptake in muscle
- Glucagon—increased glycogenolysis in liver
- Glucagon—increased glycogenolysis in skeletal muscle (correct)
- Glucagon—increased gluconeogenesis
Which hormone is largely unbound to plasma proteins?
Which hormone is largely unbound to plasma proteins?
Which of the following increases the rate of excretion of calcium ions by the kidney?
Which of the following increases the rate of excretion of calcium ions by the kidney?
What is the effect of cortisol on glucose uptake in muscle?
What is the effect of cortisol on glucose uptake in muscle?
What would be an expected physiological response in a patient with the syndrome of inappropriate antidiuretic hormone secretion?
What would be an expected physiological response in a patient with the syndrome of inappropriate antidiuretic hormone secretion?
Which of the following hormones activates enzyme-linked receptors?
Which of the following hormones activates enzyme-linked receptors?
What would stimulate the secretion of PTH?
What would stimulate the secretion of PTH?
What hormonal change would most likely occur in a person consuming a high-potassium diet?
What hormonal change would most likely occur in a person consuming a high-potassium diet?
Which of the following hormones is NOT stored in its endocrine-producing gland?
Which of the following hormones is NOT stored in its endocrine-producing gland?
What would be a likely diagnosis for a patient with a vertebral compression fracture?
What would be a likely diagnosis for a patient with a vertebral compression fracture?
What is the likely cause of the patient's generalized demineralization?
What is the likely cause of the patient's generalized demineralization?
Why is the patient's 1,25-dihydroxycholecalciferol level low?
Why is the patient's 1,25-dihydroxycholecalciferol level low?
What is a likely symptom of iodine deficiency?
What is a likely symptom of iodine deficiency?
What would be decreased in a patient with an enlarged thyroid gland and high plasma levels of T4 and T3?
What would be decreased in a patient with an enlarged thyroid gland and high plasma levels of T4 and T3?
What is a likely side effect of cortisone administration?
What is a likely side effect of cortisone administration?
What is the patient's current treatment?
What is the patient's current treatment?
Which of the following factors is most closely related to the effectiveness of a hormone in stimulating a response in target tissues?
Which of the following factors is most closely related to the effectiveness of a hormone in stimulating a response in target tissues?
In which patients would plasma levels of both ACTH and cortisol be expected to be higher than in normal subjects in the late evening?
In which patients would plasma levels of both ACTH and cortisol be expected to be higher than in normal subjects in the late evening?
Which of the following conditions or hormones would most likely decrease GH secretion?
Which of the following conditions or hormones would most likely decrease GH secretion?
Which condition is characterized by parallel changes in aldosterone and cortisol secretion?
Which condition is characterized by parallel changes in aldosterone and cortisol secretion?
What is the most likely diagnosis for a 59-year-old woman with osteoporosis, hypertension, hirsutism, and hyperpigmentation, and a normal-sized pituitary gland?
What is the most likely diagnosis for a 59-year-old woman with osteoporosis, hypertension, hirsutism, and hyperpigmentation, and a normal-sized pituitary gland?
Which of the following is a characteristic of patients with Cushing's syndrome?
Which of the following is a characteristic of patients with Cushing's syndrome?
Which of the following conditions would most likely suppress GH secretion?
Which of the following conditions would most likely suppress GH secretion?
Which condition contributes to “sodium escape” in persons with Conn’s syndrome?
Which condition contributes to “sodium escape” in persons with Conn’s syndrome?
What would be expected in a patient with a genetic deficiency of 11-β-hydroxysteroid dehydrogenase type II?
What would be expected in a patient with a genetic deficiency of 11-β-hydroxysteroid dehydrogenase type II?
What is the physiological response that is greater for T3 than for T4?
What is the physiological response that is greater for T3 than for T4?
Which of the following is a response to acute hyperglycemia?
Which of the following is a response to acute hyperglycemia?
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