pearson mastering questions exam 3

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Match the gastric phase on the left (1-3) with the correct description on the right (4-6): 1. intestinal phase 4. prepares stomach for arrival of food 2. gastric phase 5. stomach empties and decreases secretions 3. cephalic phase 6. stomach secretes juice and mixes food into chyme

1 and 5; 2 and 6; 3 and 4

thyroid hormones may increase cellular ATP production by binding to a) the mitochondria b) the vesicles c) the outer surface of the plasma membrane d) the inner surface of the plasma membrane e) the cytoplasm

a) the mitochondria

peptide hormones are a) derived from the amino acid tyrosine b) composed of amino acids c) chemically related to cholesterol d) produced by the adrenal glands e) lipids

b) composed of amino acids

the main action of ADH is a) increased urine output to remove excess fluid b) increased water conservation by kidneys c) increased blood pressure by increased Na+ reabsorption d) to stimulate kidney cells to secrete renin e) inhibition of aldosterone

b) increased water conservation by kidneys

brush border enzymes are found in the a) villi b) microvilli c) circular folds d) rugae e) plicae circularis

b) microvilli

a drug that blocks the action of carbonic anhydrase in parietal cells would result in a) decreased production of pepsinogen by chief cells b) increased protein digestion in the stomach c) a higher pH during gastric digestion d) decreased gastrin production e) a lower pH during gastric digestion

c) a higher pH during gastric digestion

The functions of the oral cavity include all of the following, except a) sensory analysis of material before swallowing b) lubrication c) absorption of monosaccharides d) mechanical processing of food e) digestion of carbohydrates

c) absorption of monosaccharides

during deglutition, which of the following phases is first? a) esophageal b) pharyngeal c) buccal d) gastric e) enteric

c) buccal

the parathyroid glands produce a hormone that a) increases the level of sodium ions in the blood b) increases the level of glucose in the blood c) increases the level of calcium ions in the blood d) stimulates the formation of white blood cells e) increases the level of potassium ions in the blood

c) increases the level of calcium ions in the blood

which of the following elements is necessary for the production of thyroid hormone? a) colloid b) sodium c) iodine d) potassium e) iron

c) iodine

In most cases, the mumps is a viral infection of the ________ glands. A) mandibular B) sublingual C) parotid D) submandibular E) lingual

c) parotid

liver cells respond to GH by releasing hormones called... a) gonadotropins b) prostaglandins c) somatomedins d) glucocorticoids e) hepatic hormones

c) somatomedins

large blood vessels and lymphatics are found in the a) serosa b) mucosa c) submucosa d) adventitia e) muscularis

c) submucosa

A drug that blocks the action of the hormone cholecystokinin would affect all of the following except a) the composition of pancreatic secretions b) digestion of lipids and proteins c) relaxation of the hepatopancreatic sphincter d) absorption of water in the large intestine e) deliver of bile

d) absorption of water in the large intestine

reduction of fluid losses at the kidneys due to the retention of Na+ is the action of a) oxytocin b) cortisone c) calcitonin d) aldosterone e) antidiuretic hormone

d) aldosterone

all of the following are true of steroid hormones except that they... a) are produced by reproductive glands b) are lipids c) are derived from cholesterol d) are produced by the adrenal medulla e) bind to receptors within the cell

d) are produced by the adrenal medulla

the pituitary hormone that promotes ovarian secretion of progesterone and testicular secretion of testosterone is a) FSH b) TSH c) GH d) ACTH e) LH

e) LH

In persons with untreated diabetes mellitus, all of the following is true except A) blood glucose levels are very high. B) excessive thirst is shown. C) glucose is present in the urine in large amounts. D) a large excretion of urine occurs. E) intracellular and tissue levels of glucose is very high

e) intracellular and tissue levels of glucose is very high

Tom has hepatitis, an inflammation of the liver. Which of the following symptoms would you expect to observe in Tom? a) blood in the feces b) elevated levels of blood glucose c) impaired digestion of protein d) overproduction of blood plasma albumin e) jaundice

e) jaundice

products of fat digestion are transported initially by a) interstitial fluid b) the arterioles c) veins d) capillaries e) lymphatic vessels

e) lymphatic vessels


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