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Bio 220 exam 3
Terms in this set (97)
the hormone that increases water reabsorption by the kidneys?
the cyclic AMP theory hormone action describes the action of?
the serous fluid between the pleural membrane keeps the membrane together and...?
the gas that is the most important chemical regulator for respiration is what?
CO2 because its present in excess it lowers the pH of body fluids
the stimulus for ACTH secretion is what?
the hormone that increases the rate of cell division is what?
which has more exocrine that endocrine tissues?
what is the relation, if any, between the process of digestion and that of cellular respiration?
digestion provides the simpler molecules required for cellular respiration
which of the following produce intrinsic factors?
which of the following is not an accessory digestive organ?
if an incision has to be made in the small intestine to remove an obstruction, the first layer of tissue to be cut is?
chemical digestion reduces large complex molecules to simpler compounds by the process of?
the inferior portion of the small intestine is known as?
the major function if the large intestine is to
package and remove waste material
if one could directly stimulate neurons within the inspiratory center, the frequency of action potentials within which of the following nerves would immediately increase?
phrentic nerve that innervates the diaphragm
which of the following is not an illustration of digestion?
which of the following is not a characteristic of the large intestine?
it produces enzymes for fat hydrolysis
those structures in the small intestine that increase the surface area and thus aid in the absorption of food called:
when the acid contents of the stomach center the normally alkaline duodenum, a hormone is released which causes the pancreas to secrete a bicarbonate rich juice. This hormone:
hyperventilation would result in:
increase in blood pH
oxygen and carbon dioxide are exchanged in the lungs and through all cell membrane by:
surfactant is what?
a wetting agent which decreases the surface tension in the alveoli
another name for the stretch reflex is what?
respiratory control centers are located in the:
medulla and pons
the alveolar and capillary walls and their fused basal layers form the what?
the glands that are located under the tongue are the what?
which of the following enzymes is not matched with its proper substrate?
the distention of the stomach by food initiates the what?
gastric phase of gastric secretion
cholesterol and bile salts join together are what?
the major function for the release of cholecystokinin is the presence of
fats and amino acids in the intestine
the process of producing glucose from amino acids is called?
the chloride-shift refers to what?
the exchange of chloride for bicarbonate that occurs across the red cell membrane
the correct order of structures that air passes through from bronchi to alveolus is?
bronchioles, terminal bronchioles, respiratory bronchioles, alveolar ducts
carbon dioxide is carried in the blood in all ways except one:
by the thrombocyte
the factors influencing the diffusion of gas across the respiratory membrane include the:
difference in partial pressures across the membrane
the expiratory center
sends few action potentials to the respiratory muscles during forced expiration
may act by binding to intracellular receptors
the hormone that raises blood sugar levels is:
the endocrine gland that is probably functioning if a person has a high metabolic rate is the:
mineralocortoid is to aldosterone as glucocoricoid is to:
relative to second messenger system, which of the following is not accurate?
activated adenyl cyclase catalyzes the transformation of AMP to cyclic AMP
which cell stimulates bone deposition?
regulation of electrolyte concentration in extracellular fluid in a function of?
which of the following is not a steroid based hormone?
tells osteoclasts to breakdown bone:
what is responsible for holding the hydrogen ion during the bicarbonate method of CO2 transport?
as a result of the general response to stress the blood concentration of:
epinephrine and cortisol
target cells for releasing factors are in the:
anterior pituitary gland
which of the following has both endocrine an exocrine functions?
the erythrocyte count increases after a while when an individual goes from a low to high altitude because....?
the concentration of oxygen and or total atmospheric pressure is lower at a high altitude
death from carbon monoxide poisoning would be due to:
the strong ability of carbon monoxide to hemoglobin
which of the following is not part of the pharynx?
most influential in regulating the numbers of respiration:
the hormone that initiates egg or sperm production is:
wall contains both smooth and skeletal muscle
two hormones that help maintain normal blood pressure by maintaining normal blood volumes are:
ADH and aldosterone
the myenteric(Auerbach's) plexus is find in the ----- if the digestive tract wall while submucosal plexus is found in the ----- of the digestive tract wall
hormones are released from the posterior pituitary when the posterior pituitary cells are stimulated by:
action potentials from cells in the hypothalamus
the adrenal medulla(all are correct)
-has epinephrine as its major secretory product
-increases its secretions during exercise
-plays a role in the adaption of the body to short-term stress
increases phosphate ion excretion
the hormone that inhibits gastric muscles slowing passage of food into the duodenum is called:
gastric inhibitory peptide
sucrose is an example of a
which of the following is no a property of enzymes?
many enzymes are synthesized as inactive proenzymes
glucose moves from the GI tract into the circulatory system by the process of what?
co-transport with sodium
chlymonicrons are formed for the transport of what?
nervous control of gastric secretion is provided by:
which of the following applies to the small intestines?
most of the water that is absorbed by the digestive tract occurs here
due to hepatic action, a comparison of blood entering and leaving the liver shows that:
blood leaving the liver via the hepatic vein contains fewer nutrients and waste materials than the blood that entered it
the filtration membranes contain all but:
diets high in saturated fats and cholesterol tend to increase the blood----concentration
protein, or nitrogen balance means:
protein anabolism equals protein catabolism
when aldosterone is released, secretion----occurs
the thirst center, which contains specialized cells called osmoreceptors, is located in the what?
another descriptive word for segmentation is what?
phase of stomach action after food has entered the stomach
the digestive blood transport molecule for fat?
the part of the digestive tract that contains the Haustra and the teniac coli
the intestine layer that contains Peyer's patches
submucosa of illeus
folds on only mucosa in the small intestine
nerve net that stimulates glandular activity in the small intestine
submucosal nerve net
hormone that inhibits stomach movement:
GIP(gastric inhibiting peptide)
required to activate zymogen granules in the small intestine
the stomach contains
longitudinal folds called rugae
which of the following is not characteristic of the large intestine?
is longer than the small intestine
chemical digestion involves:
the addition to water to molecular bonds
the site of production of entergastronic and cholecystokinin is:
the small intestine
digestion of which of the following would be affected the most if the liver was severely damaged?
the layer of the digestive tube that contains blood vessels. lymphatic nodes, nerves, and a rich supply of elastic fibers is the what?
when the acid contains of the stomach enter the normally alkaline duodenum, hormone is released which causes the pancreas to secrete a bicarbonate rich juice. this hormone is:
those structures in the small intestines that increase its surface area, and thus aid in the absorption of food are called:
villi and microvilli
if an incision has to be made in the small intestines to remove an obstruction, the first layer of tissue to be cut is the:
as the food in the stomach is repeatedly squeezed and mixed with gastric juice,it is converted into a creamy paste called:
one of the major functions of the large intestines is to:
remove waste material
an organ that contains lobules with sinusoids (lined with macrophage) that lead to a central venous structure is the:
which of the following produce intrinsic factor?
which of the following enzymes are specific for proteins
another name for the inflation relfex is the what?
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