Which of the following is true of the adrenal medulla?
A) It releases epinephrine.
B) It responds to stimuli from the sympathetic nervous system.
C) It helps produce the fight-or-flight response.
D) All of the above are true of the adrenal medulla.
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Question 2) Dwarfism can be caused by a ________.
A) Hypersecretion of growth hormone B) Hyposecretion of growth hormone
C) Hypersecretion of ACTH D) Hyposecretion of ACTH
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Question 3) Which of the following is not true of oxytocin?
A) It is one of the few hormones that is regulated by a positive feedback loop.
B) It is produced in the thyroid gland.
C) It stimulates milk letdown in nursing mothers.
D) It causes the contractions of the uterus during labor.
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Question 4) The syndrome caused by hypersecretion of the adrenal cortex, which results in excessive circulating cortisol levels, fatigue, muscular weakness, and changes in body appearance is called ________.
A) Cushing's syndrome B) Addison's disease
C) Hashimoto thyroiditis D) None of the above
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Question 5) Hypersecretion of cortisol causes ________.
A) Myxedema B) Addison's disease
C) Cushing's syndrome D) None of the above
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Question 6) A person learns of a hormone deficiency and is prescribed a replacement pill. Which of the following information should be included when explaining how this replacement works in the body?
A) Effects of the replacement will be instantaneous
B) The replacement is released throughout the gastrointestinal tract
C) The replacement will affect a single cell
D) The target cells will receive a message to change cellular activity
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Question 7) The master gland of the endocrine system is the ________.
A) Pituitary gland B) Adrenal gland
C) Thyroid gland D) None of the above
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Question 8) Insulin and glucagon are produced by the ________.
A) Thymus B) Pancreas
C) Adrenal cortex D) None of the above
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Question 9) A person with a head injury has sustained damage to the pineal gland. What affect will the damage to this gland have on the person?
A) Alterated sleep regulation B) Increased blood glucose level
C) Lower blood glucose level D) Lower level of blood calcium
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Question 10) A twelve-year-old child who is six feet tall is diagnosed with hypersecretion of growth hormone (GH). Which diagnosis should be expected on the child's medical record?
A) Dwarfism B) Pheochromocytoma
C) Addison's disease D) Gigantism
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