Test 2 physiology LAB***
Which of the following is an example of mechanical digestion? Group of answer choicesglycolysisdefecationoxidation-reductionmastication
Mastication
Which of the following is a phagocyte? Group of answer choicesMonocytesPlateletLymphocyteBasophilMast cell
Monocytes
The source of trypsinogen and chymotrypsinogen is the appendix gallbladder liver pancreas
Pancreas
Which of the following would be considered an accessory organ of the digestive system? pancreas stomach esophagus large intestine
Pancreas
A hemocrit measures Group of answer choicesA. Percentage of RBC in packed bloodB. Percentage of WBC in packed bloodC. Percentage of platelets in packed bloodBoth a and bAll of the above
Percentage of RBC in packed blood
Which digestive process involves motility? ingestion secretion propulsion digestion
Propulsion
The lungs receive blood from the Group of answer choicesalveolar arteriespulmonary arteriesbronchial arteriestracheal arteries
Pulmonary Arteries
Agglutination, which occurs during transfusion reactions, is caused by binding between -hemoglobin and the kidney tubule cells -clotting proteins and the enzymes that activate them -platelets and endothelial cells -RBC membrane antigens and plasma antibodies
RBC membrane antigens and plasma antibodies
Agglutination, which occurs during transfusion reactions, is caused by binding between hemoglobin and the kidney tubule cells clotting proteins and the enzymes that activate them platelets and endothelial cells RBC membrane antigens and plasma antibodies
RBC membrane antigens and plasma antibodies
A normal differential White Blood Cell count would have what percentage of Neutrophils? (a) 60-70% (b) 20-25% (c) 3-8% (d) 2-4% (e) 0.5-1%
(a) 60-70%
Elevated Numbers of Neutrophils might indicate what condition? (a) Bacterial Infection (b) Viral Infection (c) Fungal or Viral Infection (d) Parasitic Infection (e) Allergic Reaction
(a) Bacterial Infection
A normal differential White Blood Cell count would have what percentage of Lymphocytes? (a) 60-70% (b) 20-25% (c) 3-8% (d) 2-4% (e) 0.5-1%
(b) 20-25%
Elevated Numbers of Lymphocytes might indicate what condition? (a) Bacterial Infection (b) Viral Infection (c) Fungal or Viral Infection (d) Parasitic Infection (e) Allergic Reaction
(b) Viral Infection
A normal differential White Blood Cell count would have what percentage of Monocytes? (a) 60-70% (b) 20-25% (c) 3-8% (d) 2-4% (e) 0.5-1%
(c) 3-8%
Elevated Numbers of Monocytes might indicate what condition? (a) Bacterial Infection (b) Viral Infection (c) Fungal or Viral Infection (d) Parasitic Infection (e) Allergic Reaction
(c) Fungal or Viral Infection
A normal differential White Blood Cell count would have what percentage of Eosinophils? (a) 60-70% (b) 20-25% (c) 3-8% (d) 2-4% (e) 0.5-1%
(d) 2-4%
Elevated Numbers of eosinophils might indicate what condition? (a) Bacterial Infection (b) Viral Infection (c) Fungal or Viral Infection (d) Parasitic Infection (e) Allergic Reaction
(d) Parasitic Infection
A normal differential White Blood Cell count would have what percentage of Basophils? (a) 60-70% (b) 20-25% (c) 3-8% (d) 2-4% (e) 0.5-1%
(e) 0.5-1%
Elevated Numbers of Basophils might indicate what condition? (a) Bacterial Infection (b) Viral Infection (c) Fungal or Viral Infection (d) Parasitic Infection (e) Allergic Reaction
(e) Allergic Reaction
In an adult the normal residual volume is 100 ml 700 ml 1200 ml 3300 ml
1200 ml
Once released from the bone marrow into the circulation, the average life span of a red blood cell is about 72 hours one week 4 months 2 years
4 months
The normal tidal volume in an adult is 500 ml 600 ml 1000 ml 1100 ml
500ml
The average resting volume of ventilated air per minute in a human being is about Group of answer choices6 liters/minute60 ml/minute12 liters/minute600 ml/minute
6 liters/minute
The total lung capacity in a normal human is about 3,600 ml 4,800 ml 6,000 ml 8, 200 ml
6,000 ml
What is normal blood pH? 7.4 7.6 7.8 7.2
7.4
What is normal blood pH? Group of answer choices7.47.67.87.2
7.4
About which portion of the pancreas is normally dedicated to exocrine function? Group of answer choices57%12%99%79%
99%
What antibodies does a person with type O blood have in their plasma? A B A and B No antibodies Not enough information to answer
A and B
In the respiratory system, gaseous exchange occurs in the Group of answer choicespharynxalveolibronchiolestrachea
Alveoli
What antigens does a person have on their RBC if their plasma has antibody A? Group of answer choicesABOA and BNo antigens
B
The laboratory measurement of all erythrocytes, platelets and white blood cells is called CBC DVD o WBC
CBC
Gastric emptying is stimulated by ALL of the following EXCEPT distention of the stomach gastrin CCK partially digested proteins
CCK
Which of the following is not a component of blood? Blood plasma Formed elements Carbon dioxide Platelets White blood cells
Carbon Dioxide
Which event occurs after HCO3- (bicarbonate ion) is manufactured in the blood? Group of answer choicesHCO3- enters the red blood cell as Cl- exits the red blood cell.Cl- enters the red blood cell as HCO3- exits the red blood cell.H2CO3 is usually reformed quicklycarbonic anhydrase is used up
Cl- enters the red blood cell as HCO3- exits the red blood cell.
The portion of a tooth visible in the mouth is the neck root crown pulp
Crown
Which of the following plasma proteins plays a role in blood clotting? Group of answer choicesAlbuminsGlobulinsFibrinogensProstaglandinsNone of the above
Fibrinogens
Which of the following plasma proteins plays a role in disease resistance? Group of answer choicesAlbuminsGlobulinsFibrinogensMyoglobinHemoglobin
Globulins
Which chemical is most likely to directly affect central chemoreceptors? Group of answer choicesH+O2H2OCO
H+
A substance released by the duodenum in response to the acidic pH of chyme is Group of answer choicessecretingastrinenterogastronecholecystokinin
Secretin
Apparatus used to measure air flow into or out of the lung Group of answer choicesEEGEKGspirometerCT
Spirometer
What is the substrate of salivary amylase? Group of answer choicesstarchsucroseproteinmaltose
Starch
Which substance reduces surface tension within the alveoli? Group of answer choicesseptal cellssurfactantdust cellsKuppfer cells
Surfactant
Which of the following is a CORRECT statement about proelastase, chymotrypsin, and procarboxypeptidase? They are activated in the small intestine by trypsin. They are manufactured by the liver. They are denatured and rendered inactive by sucrase. They hydrolyze starch into disaccharides.
They are activated in the small intestine by trypsin.
Which of the following is a CORRECT statement about bile salts? Group of answer choicesThey are normally an ingredient of gastric juiceThey are manufactured by the pancreasThey increase the efficiency of pepsin actionThey help stabilize lipid emulsions
They help stabilize lipid emulsions
Of the respiratory air volumes listed, which one has the largest volume? expiratory reserve volume inspiratory reserve volume vital capacity tidal volume
Vital Capacity
Which describes anemia? Group of answer choicesa deficiency of white blood cellsa high level of hemoglobina reduction in oxygen-carrying capacity of the bloodan excessive number of red blood cells
a reduction in oxygen-carrying capacity of the blood
Which digestive process involves movement of small molecules into the blood stream? Group of answer choicesabsorptionsecretiondefecationdigestion
absorption
The digestive functions of saliva include all of the following EXCEPT Group of answer choicesdigesting starch into disaccharidesacting as a lubricant during swallowingdissolving food moleculesabsorption of carbohydrates
absorption of carbohydrates
Which of the following is a function of the large intestine? absorption of water and electrolytes digestion of amino acids absorption of food molecules synthesis of cholesterol
absorption of water and electrolytes
Based on the results of a differential WBC count shown in the table, this person has ~basophils 1% ~eosinophils 10% ~neutrophils 56% ~lymphocytes 25% ~monocytes 8% Which of the following would this individual most likely be suffereing from. Group of answer choicesMononucleosisleukopeniaallergies or a parasitic worm infectionan accute bacterial infection
allergies or a parasitic worm infection
How is carbon dioxide (CO2) mostly carried by the blood? Group of answer choicesdissolved in the plasmabound to hemoglobinas bicarbonate ionattached to oxygen
as bicarbonate ion
Which leukocyte is NOT correctly matched with its description? Group of answer choiceseosinophil - bilobed nucleus, deep red granuleslymphocyte - smallest leukocytes, round nucleus, thin rim of cytoplasmneutrophil - lobed nucleus with two to five segments, light purple granulesbasophil - typical kidney-shaped nucleus, largest white blood cell
basophil - typical kidney-shaped nucleus, largest white blood cell
Which type of leukocyte is correctly matched with its function? basophils - release histamine in areas of damaged tissue neutrophils - form platelet plug lymphocytes - phagocytize bacteria neutrophils - defend against parasitic worm infections
basophils - release histamine in areas of damaged tissue
The appendix is attached to the) left lobe of the liver gall bladder cecum rectum
cecum
The stomach cell that secretes pepsinogen is the Group of answer choicesmucous cellparietal cellchief cellG cell
chief cell
A substance that stimulates the gallbladder to release bile is secretin gastrin enterogastrone cholecystokinin
cholecystokinin
The role of the epiglottis is to) vibrate to produce sound close off the larynx during swallowing close off the nasal cavity during swallowing holds the pharynx open during speech
close off the larynx during swallowing
During exercise, which type of respiratory adjustment would NOT normally occur? Group of answer choicesincreased pulmonary perfusionincreased oxygen diffusion capacityincreased pulmonary ventilationdecreased carbon dioxide production
decreased carbon dioxide production
The function of bile is to emulsify fats transport fats through the blood hydrolyze fats actively transport fats through epithelial membranes.
emulsify fats
Which of these blood components do NOT have nuclei? neutrophils erythrocytes lymphocytes monocytes
erythrocytes
A function of alveoli is to exchange oxygen and carbon dioxide with the blood produce surfactant act as phagocytes produce mucus in the upper respiratory tract
exchange oxygen and carbon dioxide with the blood
A structure that produces no digestive secretions of any kind is the Group of answer choicesgallbladderliverduodenumpancreas
gallbladder
Which of the following factors makes blood a certain type? Group of answer choicesgenetically determined glycoproteins and glycolipids on the RBC membranegenetically determined antibodies in the plasmathe different forms of hemoglobin present in the RBCsexposure to intestinal bacteria during infancy
genetically determined glycoproteins and glycolipids on the RBC membrane
In which choice is the plasma protein correctly matched with one of its functions? Group of answer choicesalbumin - antibodies involved in immune responsefibrinogen - attacks and destroys pathogensglobulins - transport minerals, lipids, hormones and vitaminsglobulins - blood clotting
globulins - transport minerals, lipids, hormones and vitamins
A person with type O+ blood would make anti-Rh antibodies if exposed to the Rh antigen have neither anti-A nor anti-B antibodies in his plasma have Rh but not A or B antigens on his RBCs be able to receive type A+, B+, or AB+ in a transfusion if necessary
have Rh but not A or B antigens on his RBCs
The percentage of whole blood volume occupied by the red blood cells is the specific gravity differential cell count hematocrit viscosity
hematocrit
Most oxygen is transported in blood Group of answer choicesby hemoglobin.by BPG.dissolved in the plasma.as bicarbonate ion.
hemoglobin
Blood vessels, bronchi and lymphatic vessels enter each lung at the mediastinum hilus apex base
hilus
The parietal cells of gastric glands secrete mucus pepsinogen hydrochloric acid pepsin
hydrochloric acid
The major digestion that occurs in the adult stomach is Group of answer choiceshydrolysis of fats by gastric lipaseformation of chylomicronsconversion of ammonia to ureahydrolysis of proteins by pepsin
hydrolysis of proteins by pepsin
Rapid, deep breathing is called Group of answer choiceshypercapneahypercarbiahyperventilationhypocarbia
hyperventilation
Rapid, deep breathing is called hypercapnea hypercarbia hyperventilation hypocarbia
hyperventilation
Each body function on the left is correctly matched with the corresponding function of the blood on the right EXCEPT Group of answer choicesrespiration - transports oxygen and carbon dioxideimmune defense - platelet factors initiate clottingacid-base balance - buffers acids and basesthermoregulation - allows heat to escape from the body at the skin
immune defense - platelet factors initiate clotting
Each body function on the left is correctly matched with the corresponding function of the blood on the right EXCEPT respiration - transports oxygen and carbon dioxide immune defense - platelet factors initiate clotting acid-base balance - buffers acids and bases thermoregulation - allows heat to escape from the body at the skin
immune defense - platelet factors initiate clotting
Gastrin, which is secreted by stomach cells, functions to Group of answer choicesinhibit the production of hydrochloric acidincrease the secretions of the gastric glandschange pepsin into pepsinogeninitiate the cephalic phase of digestion
increase the secretions of the gastric glands
The amount of air that can be maximally inhaled after a normal exhalation is called the Group of answer choicesfunctional residual capacityinspiratory capacitytidal volumeinspiratory reserve volume
inspiratory capacity
An abnormally high number of normal white blood cells may be indicative of the disorder Group of answer choicesleukemialeukocytosisleukopenialeukopoiesis
leukocytosis
Which cell is NOT classified as a granulocyte? Group of answer choicesbasophileosinophillymphocyteneutrophil
lymphocyte
The process of mastication results in Group of answer choicespassage of food from the oral cavity into the esophagusremoval of pathogens from partially digested food by MALT tissuesmechanical mixing of food with saliva and shaping of food into a bolussudden movement of colonic contents into the rectum
mechanical mixing of food with saliva and shaping of food into a bolus
Where are the central chemoreceptors located? Group of answer choicesponsmedulla oblongatathalamushypothalamus
medulla oblongata
The small intestine is attached to the posterior abdominal wall by a fold of the peritoneum called the mesocolon mesentery falciform ligament teniae coli
mesentery
A person's blood type is determined by mixing his blood with the blood of another person of known blood type--if there is no reaction they are the same type looking at red blood cells under a microscope to see what kind of antigens are on their membranes checking to see which plasma antibodies a person has--he won't have antibodies against his own blood type mixing the blood with different antibodies to see which ones cause the red blood cells to agglutinate
mixing the blood with different antibodies to see which ones cause the red blood cells to agglutinate
Which of the following lists the structures in the CORRECT order of air flow inward? trachea, laryngopharynx, nasopharynx, oropharynx, larynx nasopharynx, oropharynx, laryngopharynx, trachea, larynx nasopharynx, oropharynx, laryngopharynx, larynx, trachea oropharynx, laryngopharynx, nasopharynx, larynx, trachea
nasopharynx, oropharynx, laryngopharynx, larynx, trachea
In which choice are the leukocytes correctly arranged in order from most common to least common? Group of answer choicesmonocytes, lymphocytes, neutrophils, eosinophils, basophilslymphocytes, neutrophils, monocytes, eosinophils, basophilsneutrophils, monocytes, lymphocytes, basophils, eosinophilsneutrophils, lymphocytes, monocytes, eosinophils, basophils
neutrophils, lymphocytes, monocytes, eosinophils, basophils
A blood transfusion reaction will Group of answer choicesoccur when plasma antibodies contact red blood cells carrying the antigen with which they reactonly occur if both red blood cells and plasma are transfusedalways occur if someone is given type O bloodnot cause any damage to the red blood cells
occur when plasma antibodies contact red blood cells carrying the antigen with which they react
Which of the following lists parts of the G.I. tube in the CORRECT order of food movement? Group of answer choicesnasopharynx, oropharynx, laryngopharynx, larynx, esophagusoropharynx, laryngopharynx, esophagus, stomach, pyloric sphincterlaryngopharynx, oropharynx, esophagus, stomach, pyloric sphincteroropharynx, laryngopharynx, esophagus, pyloric sphincter, stomach
oropharynx, laryngopharynx, esophagus, stomach, pyloric sphincter
Hemoglobin that has oxygen attached is called hemoglobin oxygen complex carbaminohemoglobin oxyhemoglobin deoxyhemoglobin
oxyhemoglobin
As acidity increases, how does this affect the affinity of hemoglobin for the oxygen it carries? oxyhemoglobin affinity decreases oxyhemoglobin affinity increases oxyhemoglobin affinity remains the same not enough information to tell
oxyhemoglobin affinity decreases
Pancreatic digestive secretions are promoted by all of the following EXCEPT Group of answer choicesparasympathetic impulsessecretincholecystokininsympathetic impulses
parasympathetic impulses x sympathetic impulses
The inside of the thoracic chest wall is lined with Group of answer choicespleural membranesvisceral pleuraparietal pleuraperitoneum
parietal pleura
Which of the following is NOT considered part of the lower respiratory system? Group of answer choicestrachealarynxpharynxbronchi
pharynx
Which blood component is NOT correctly matched with its function? Group of answer choiceserythrocytes - transport oxygenleukocytes - protect against diseaseplatelets - phagocytize bacteriaplasma proteins - maintain blood osmotic pressure; involved in clotting
platelets - phagocytize bacteria
The receptors that detect movement within the joints and muscles called Hering Brewer reflex baroreceptors/stretch receptors cortical receptors proprioreceptors
proprioreceptors
Other than water, the most common component of plasma is Group of answer choiceschlorideureaproteinsodium
protein
Cholecystokinin (CCK) from the intestinal wall is stimulated by the presence of Group of answer choicesprotein in the stomachprotein in the small intestinefat and acid chyme in the stomachprotein and fat in the small intestine
protein and fat in the small intestine
One of the major functions of the large intestine is to Group of answer choicessecrete digestive enzymesreabsorb water from chymeregulate the release of bilebreak down hemoglobin
reabsorb water from chyme
A person who is Rh negative might form anti-Rh antibodies if she receives a transfusion of Rh positive blood receives a transfusion of Rh negative blood becomes pregnant with a fetus that is Rh negative is given a shot of the drug RhoGAM
receives a transfusion of Rh positive blood
Which problem could NOT be caused by a deficiency of plasma proteins? edema reduced ability to transport oxygen reduced ability to clot reduced ability to transport molecules such as lipids
reduced ability to transport oxygen
The residual volume in the lungs is the amount of air) Group of answer choicesremaining in the lungs after the lungs collapsethat can be inhaled above tidal volumeremaining in the lungs after forced expirationcontained in air spaces above the alveoli
remaining in the lungs after forced expiration
The horizontal fissure is located between the right middle and inferior lobes left middle and inferior lobes right superior and middle lobes left superior and middle lobes
right superior and middle lobes
The folds of the gastric mucosa are called microvilli circular folds gastric pits rugae
rugae
What is found between the parietal and visceral layers of the pleura? Group of answer choiceslymphairbloodserous fluid
serous fluid
Which of these diseases involves a problem with the red blood cells? Group of answer choicesleukocytosisthrombocytopenialeukemiasickle-cell anemia
sickle-cell anemia
Which of the following is NOT produced by the acini of the pancreas?
somatostatin
Secretin decreases the stomach's churning activity stimulates the gastric secretion of HCl is released by the salivary glands stimulates bile ducts and pancreatic ducts to secrete bicarbonate
stimulates bile ducts and pancreatic ducts to secrete bicarbonate
Which of the following is NOT an accessory digestive organ? teeth liver gallbladder stomach
stomach
The pyloric sphincter is located at the junction of the) Group of answer choicesesophagus and stomachstomach and duodenumileum and cecumesophagus and larynx
stomach and duodenum
Where is the myenteric plexus? Group of answer choicesmucosasubmucosamuscularisserosa
submucosa x serosa x mucosa x muscularis?
What kind of risk exists when a woman who is Rh+ carries an Rh- fetus? Group of answer choicesThere is usually no risk during the first pregnancy, but it can harm the fetus during a subsequent pregnancy if the mother is not treatedIt always poses a serious risk to the fetus, even in the first pregnancyOnly in rare cases is there a risk to the fetus during the first pregnancyThere is never a risk to the fetus in any pregnancy
there is never a risk to the fetus in an pregnancy
The right lung is composed of ______ lobes; the left lung is composed of ______ lobes. Group of answer choicesthree; twotwo; threeone; threethree; one
three, two
Which choice represents an abnormal value? total RBC count - 5.1 million / mL total WBC count - 1500 / mL total platelet count - 250,000 / mL hemoglobin - 15 g / dL
total WBC count - 1500 / mL
Blood helps to maintain homeostasis by Group of answer choicestransporting materials between the tissue fluid and the external environmentridding the body of wastesbreaking down nutrientscoordinating metabolic reactions
transporting materials between the tissue fluid and the external environment
Projections on the mucosa of the small intestine that are covered by absorptive and goblet cells and contain lymph vessels and capillaries are called microvilli villi rugae teniae coli
villi