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The pancreatic islets


A) produce insulin.
B) produce glucagon.
C) produce digestive enzymes.
D) produce both insulin and glucagon.

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Leptin is associated with


A) adipose tissue.
B) the pineal gland.
C) the thymus gland.
D) the liver.

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Insulin results in


A) most cells taking up glucose.
B) fat cells making more fat.
C) converting glycogen to glucose.
D) Both most cells taking up glucose and fat cells making more fat are correct.

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Which type of gland secretes directly into tissue fluids and the blood without ducts?


A) Endocrine
B) Exocrine

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What stimulus will cause the secretion of ANH (atrial natriuretic hormone) ?


A) Increased blood volume in the atria of the heart
B) Increased blood volume in the kidneys
C) Decreased blood sodium levels
D) None apply.

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An increase in growth hormone after growing years will cause


A) gigantism.
B) pituitary dwarfism.
C) acromegaly.
D) diabetes insipidus.

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A group of chemicals that have local effects instead of being released into the blood are known as


A) epidermal growth factors.
B) prostaglandins.
C) pyrogens.
D) steroid hormones.

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What hormone causes breast development and production of milk?


A) Oxytocin
B) Gonadotropins
C) Prolactin
D) ADH

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Which of the following are portions of the adrenal glands?


A) Anterior and posterior
B) Lateral and medial
C) Cortex and medulla
D) Dorsal and ventral

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What condition occurs due to hyposecretion of adrenal cortex hormones?


A) Cushing syndrome
B) Diabetes insipidus
C) Addison disease
D) Hashimoto's disease

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The production and release of hormones is controlled by


A) other hormones.
B) nervous system.
C) other chemical substances.
D) All apply.

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What element is needed for thyroxine production?


A) Calcium
B) Iodine
C) Sodium
D) Potassium

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Aldosterone will cause _______ of sodium,while ANH will cause ____ of sodium.


A) excretion;reabsorption
B) reabsorption;excretion

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The male hormone secreted by the testes is


A) estrogen.
B) progesterone.
C) testosterone.
D) gonadotropins.

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The action(s) of aldosterone is (are) to


A) promote renal reabsorption of water.
B) promote renal excretion of potassium.
C) promote renal reabsorption of sodium.
D) All apply.

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Which of the following is NOT a consequence of Addison's disease?


A) Retention of sodium and water leading to high blood pressure
B) Excessive,but ineffective ACTH
C) Bronzing of the skin
D) Loss of sodium and water leading to low blood pressure

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Hypocalcemia can result in


A) muscle weakness.
B) renal failure.
C) depressed nervous system.
D) tetany.

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The pineal gland is considered to be our biological clock.

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