anatomy questions
Started by pbkal
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anyone pls ans this-
which of the following reflexes is exhibited by the masseter muscle when the dentist taps on the side of the face during an examination?
a)stretch
b)withdrawal
c)mass muscle
d)golgi tendon
e)cross extensor
which of the following reflexes is exhibited by the masseter muscle when the dentist taps on the side of the face during an examination?
a)stretch
b)withdrawal
c)mass muscle
d)golgi tendon
e)cross extensor
a person who has a long history of anabolic steroid abuse but has recently stopped is likely to exhibit each of the following characteristics except one?
a)sterlity
b)low FSH levels
c)low testosterone levels
d)decreased number of spermatids
is (a) ans??pls confirm..
which of the following best describes hydroxyapatite in enamel?
a)has a nonpolar surface
b)has 10ions in each unit cell
c)contains no ion substitutions
d)has a higher solubility than florapatite
has solubility that decreases as ph decreases.
is (d)ans??
a)sterlity
b)low FSH levels
c)low testosterone levels
d)decreased number of spermatids
is (a) ans??pls confirm..
which of the following best describes hydroxyapatite in enamel?
a)has a nonpolar surface
b)has 10ions in each unit cell
c)contains no ion substitutions
d)has a higher solubility than florapatite
has solubility that decreases as ph decreases.
is (d)ans??
Last edited:
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a pt bites down rapidly on an unexpected hard surface while chewing.this results in cessation of motor unit recruitment in jaw closing muscles by causing stimulation of
a)muscle spindles
b)jaw opening muscles
c)periodontal mechanoreceptors
d)nociceptors in the dental pulp
pls ans these-
1)cortisol stimulates synthesis in the liver of
a)glucokinase
b)phosphofructokinase
c)pyruvate carboxylase
d)pyruvate kinase
2)cushings syndrome is characterized by each of the following conditions except one.
a)increased protein anabolism
b)increased androgen levels
c)hyperglycemia
d)hypertension
e)hyperkalemia
1)cortisol stimulates synthesis in the liver of
a)glucokinase
b)phosphofructokinase
c)pyruvate carboxylase
d)pyruvate kinase
2)cushings syndrome is characterized by each of the following conditions except one.
a)increased protein anabolism
b)increased androgen levels
c)hyperglycemia
d)hypertension
e)hyperkalemia
Lower third molar extracted and upper molar supraerupted, what movement has the least interference with this Upper molar?
Pro, ret, lateral
Cusp to cusp tip on Left canines, where is the right condyle ??
in the fossa, Medial to it, diastal, anterior, posterior
Pro, ret, lateral
Cusp to cusp tip on Left canines, where is the right condyle ??
in the fossa, Medial to it, diastal, anterior, posterior
Hi everyone,
which of the following statements BEST describe GTP-binding proteins(G-Proteins)? a.are important components of steroid harmone signal transduction b.catalize the reaction which produces diacylglycerol c.are tightly bound to adenylate cyclase d.usually inactive protein kinase C e.are membrane proteins
Mythyl xanthines such as caffeine and theophylline enhance lipolysis in adipose tissue by ? a.including adenylate cyclase synthesis b.including triglyceride lipase synthesis c. inhibiting cyclic AMP d.dirctly activating an intracellur protein kinase e.enhancing the binding of epinephrine to an extracellular membrane receptor
Each of the following is charac of creatinine EXCEPT one. Which one is the exception? a) Freely filtered b) Slightly secreted c) Slightly reabsorbed d) produced endogenously at a constant rate
Total urinary nitrogen excretion in LEAST when an individual is? a.starving b.on a well balanced diet c.on a diet containing adequate fat and carbohydrate but no protein d.on a diet containing adequate pretein but no fat or carbohydrate.. is that c??
the nerves of anterior abdominal wall lie immediately deep to which layer of the wall? A.external oblique muscle B.internal oblique muscle C.transversus abdominis D.transversalis fascia E.peritoneum
which of the following statements BEST describe GTP-binding proteins(G-Proteins)? a.are important components of steroid harmone signal transduction b.catalize the reaction which produces diacylglycerol c.are tightly bound to adenylate cyclase d.usually inactive protein kinase C e.are membrane proteins
Mythyl xanthines such as caffeine and theophylline enhance lipolysis in adipose tissue by ? a.including adenylate cyclase synthesis b.including triglyceride lipase synthesis c. inhibiting cyclic AMP d.dirctly activating an intracellur protein kinase e.enhancing the binding of epinephrine to an extracellular membrane receptor
Each of the following is charac of creatinine EXCEPT one. Which one is the exception? a) Freely filtered b) Slightly secreted c) Slightly reabsorbed d) produced endogenously at a constant rate
Total urinary nitrogen excretion in LEAST when an individual is? a.starving b.on a well balanced diet c.on a diet containing adequate fat and carbohydrate but no protein d.on a diet containing adequate pretein but no fat or carbohydrate.. is that c??
the nerves of anterior abdominal wall lie immediately deep to which layer of the wall? A.external oblique muscle B.internal oblique muscle C.transversus abdominis D.transversalis fascia E.peritoneum
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hi neosmile.thanks for the answers.
regrding question 2,i was doubting (a) could also be the ans.cortisol causes increased protein breakdown.in first option,its mentioned-increased protein anabolism,so y not option (a) as ans?
pls explain.......
HI NEOSMILE
i still have a doubt.cortisol causes hypokalemia and protein catabolism.so,in the question-hyperkalemia and protein anabolism both r exceptions,since both r not present in cushings syn......right??????
1)from the occlusal view,which of the following anatomical features r frequently found on both the primary max first and second molars?
a.four major cusps r evident
b.oblique ridges r well developed.
c.marginal ridges r well developed
d.outlines r rectangular in shape
e.crowns converge to te distal and lingual aspects.
is (c) ans??
2)a max CI cross sectioned at the cementoenamel junc will have which of the following forms?
a.round
b.square
c.triangular
d.rectangular
e.pentagonal
3)when a dentist examines the normal max arch from a sagittal view,which of the following tooth inclinations can be observed?
a.posterior teeth r mesially inclined
b.ant teeth r straight with no inclination
c.ant teeth r distally inclined.
d.post teeth r straight with no inclination
e.post teeth r distally inclined
4)which of the following is considered an accessory ligament of the TMJ?
a.capsular
b.collateral
c.stylohyoid
d.sphenomandibular
e.temperomandibular
is (b) ans??
5)when the post teeth contact more heavily than the ant teeth in closure,and the ant teeth disclude post teeth in eccentric movement,the condition is known as
a.group function
b.ant.open bite
c.CR-CO discrepancy
d.alert feeding position
e.mutually protected occlusion
6)from facial view,which of the following conditions is present on both primary max first and second molars?
a.a short root trunk
b.crowns resembling max first molar
c.presence of 3 roots,2 on lingual and 1 on facial
d.an indistinct facial developmental groove seperating 2 facial cusps
is (a) ans??
7)total number of cusps visible from the distal aspect of the crown of a max first molar
a.1
b.2
c.3
d.4
e.5
8)which of the following primary grooves uniting in the distal pit on the occlusal surface of the mand 2nd molar represents the one that normally has no counterpart in the distal pit of the first molar?
a.distolingual
b.DF triangular
c.DL triangular
d.distal marginal
e.distal portion of the central
9)when viewed from the sagittal plane and progressing anteriorly,the axial inclination of the ant teeth
a.remains vertical
b.inclines facially
c.inclines mesially
d.'' distally
e. '' lingually
a.four major cusps r evident
b.oblique ridges r well developed.
c.marginal ridges r well developed
d.outlines r rectangular in shape
e.crowns converge to te distal and lingual aspects.
2)a max CI cross sectioned at the cementoenamel junc will have which of the following forms?
a.round
b.square
c.triangular
d.rectangular
e.pentagonal
3)when a dentist examines the normal max arch from a sagittal view,which of the following tooth inclinations can be observed?
a.posterior teeth r mesially inclined
b.ant teeth r straight with no inclination
c.ant teeth r distally inclined.
d.post teeth r straight with no inclination
e.post teeth r distally inclined
4)which of the following is considered an accessory ligament of the TMJ?
a.capsular
b.collateral
c.stylohyoid
d.sphenomandibular
e.temperomandibular
is (b) ans??
5)when the post teeth contact more heavily than the ant teeth in closure,and the ant teeth disclude post teeth in eccentric movement,the condition is known as
a.group function
b.ant.open bite
c.CR-CO discrepancy
d.alert feeding position
e.mutually protected occlusion
6)from facial view,which of the following conditions is present on both primary max first and second molars?
a.a short root trunk
b.crowns resembling max first molar
c.presence of 3 roots,2 on lingual and 1 on facial
d.an indistinct facial developmental groove seperating 2 facial cusps
is (a) ans??
7)total number of cusps visible from the distal aspect of the crown of a max first molar
a.1
b.2
c.3
d.4
e.5
8)which of the following primary grooves uniting in the distal pit on the occlusal surface of the mand 2nd molar represents the one that normally has no counterpart in the distal pit of the first molar?
a.distolingual
b.DF triangular
c.DL triangular
d.distal marginal
e.distal portion of the central
9)when viewed from the sagittal plane and progressing anteriorly,the axial inclination of the ant teeth
a.remains vertical
b.inclines facially
c.inclines mesially
d.'' distally
e. '' lingually
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a stab wound creating a pneumothorax on the left side will usually result in collapse of which of the following?
a.left lung only
b.right lung only
c.both lungs
d.the rib cage on left side
e.left lung and pericardial sac
hey!!i know this question has already been discussed,but i dont remember the ans finally decided.......
is it (a) or (c)???
a.left lung only
b.right lung only
c.both lungs
d.the rib cage on left side
e.left lung and pericardial sac
hey!!i know this question has already been discussed,but i dont remember the ans finally decided.......
is it (a) or (c)???
pls confirm the ans-
1)if LA solution is deposited in the pterygopalatine fossa,which is anesthetized?
a.V1
b. V2
c. V3
d.facial nerve
e.vagus nerve
is (b) ans??
2)a tendon consists mainly of
a.reticular fibers
b.elastic fiber bundles
c.loose collagenous bundles
d.dense regular collagenous bundles
e.dense irregular ''
is (d) ans??
3)articulating surface of adult mand condyle is covered by which of the following ?
a.elastic tissue
b.synovial membrane
c.hyaline cartialge
d.typical perichondrium
e.collagenous connective tissue
is (b) ans???
1)if LA solution is deposited in the pterygopalatine fossa,which is anesthetized?
a.V1
b. V2
c. V3
d.facial nerve
e.vagus nerve
is (b) ans??
2)a tendon consists mainly of
a.reticular fibers
b.elastic fiber bundles
c.loose collagenous bundles
d.dense regular collagenous bundles
e.dense irregular ''
is (d) ans??
3)articulating surface of adult mand condyle is covered by which of the following ?
a.elastic tissue
b.synovial membrane
c.hyaline cartialge
d.typical perichondrium
e.collagenous connective tissue
is (b) ans???
Mythyl xanthines such as caffeine and theophylline enhance lipolysis in adipose tissue by ? a.including adenylate cyclase synthesis b.including triglyceride lipase synthesis c. inhibiting cyclic AMP d.dirctly activating an intracellur protein kinase e.enhancing the binding of epinephrine to an extracellular membrane recep
ans is -inhibiting cyclic amp phosphodiesterase.cyclic amp causes release of insulin from pancreas in tissues.methyl xanthines inhibit cyclic amp,thereby causing LIPOLYSIS.
pls if someone can give a better explanation-.........
ans is -inhibiting cyclic amp phosphodiesterase.cyclic amp causes release of insulin from pancreas in tissues.methyl xanthines inhibit cyclic amp,thereby causing LIPOLYSIS.
pls if someone can give a better explanation-.........
many extracellular physiological signalling agents increase intracellular levels of secondary messanger cAMP.these signalling agents activate the seven transmembrane domain class of g proteins coupled receptors.ligand binding causes activation of heterotrimeric g protein which stimulates one or more isoforms of adenyle cyclase tom catalyse production of cAMP.intracellular levels of cAMP are then regulated through actions of cyclic amp phosphodiesterase.
hope it helps in sum way .
adenosine analogues inhibit adepocytes adenyle cyclase by gtp dependent process.
answer ....c
i luked into nbde kaplan chap 11 in anatomy pg 601,it says endochondral ossification leads to increase in lenght and appositional ossification leads to increase in width ,so i guess increase in size in ques reffers to the width .plz correct if worng .
Hi
.each of the follow is necessary for viral antigen recognition by CD4 t helper except one?
1. viral replicaton in host cell
2. clevage of viral protein into small peptides
3. transport of viral peptides to cell surface by MHC clas2 molecule
4. binding of T cell TCR to MHC class2 bound viral particle
5. internalization of the virus by an antigen presenting cell.
Thanks
.each of the follow is necessary for viral antigen recognition by CD4 t helper except one?
1. viral replicaton in host cell
2. clevage of viral protein into small peptides
3. transport of viral peptides to cell surface by MHC clas2 molecule
4. binding of T cell TCR to MHC class2 bound viral particle
5. internalization of the virus by an antigen presenting cell.
Thanks
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pls ans these-
1)an examle of primary active transport is the movement of
a.glucose into muscle
b.potassium into a nerve cell
c.proteins across capillaries
d.sodium into endothelial cell
e.oxygen across alveolar wall
2)a dental pt presents with bluish discoloration of the mucous membrane indicative of cyanosis.it is most likely the result of
a.inc pco2
b.dec hb conc
c.dec rbc conc
d.inc levels of reduced hb
e.dec blood flow to affected area
3)at which stage in the process of gene cloning r restriction nucleases used?
a.isolation of mRNA
b.syn of double stranded dna
c.insertion of cDNA into vector dna
d.expression of the cloned gene by the bacteria
e.introduction of recombinant dna into bact cell.
1)an examle of primary active transport is the movement of
a.glucose into muscle
b.potassium into a nerve cell
c.proteins across capillaries
d.sodium into endothelial cell
e.oxygen across alveolar wall
2)a dental pt presents with bluish discoloration of the mucous membrane indicative of cyanosis.it is most likely the result of
a.inc pco2
b.dec hb conc
c.dec rbc conc
d.inc levels of reduced hb
e.dec blood flow to affected area
3)at which stage in the process of gene cloning r restriction nucleases used?
a.isolation of mRNA
b.syn of double stranded dna
c.insertion of cDNA into vector dna
d.expression of the cloned gene by the bacteria
e.introduction of recombinant dna into bact cell.
2)a dental pt presents with bluish discoloration of the mucous membrane indicative of cyanosis.it is most likely the result of
a.inc pco2
b.dec hb conc
c.dec rbc conc
d.inc levels of reduced hb
e.dec blood flow to affected area
i think th answer should be B choice coz cyanosis is due to the presense of deoxygenated hemoglobin .
http://en.wikipedia.org/wiki/Cyanosis
3)at which stage in the process of gene cloning r restriction nucleases used?
a.isolation of mRNA
b.syn of double stranded dna
c.insertion of cDNA into vector dna.............answer
d.expression of the cloned gene by the bacteria
e.introduction of recombinant dna into bact cell.
plz correct me if wrong
a.inc pco2
b.dec hb conc
c.dec rbc conc
d.inc levels of reduced hb
e.dec blood flow to affected area
i think th answer should be B choice coz cyanosis is due to the presense of deoxygenated hemoglobin .
http://en.wikipedia.org/wiki/Cyanosis
3)at which stage in the process of gene cloning r restriction nucleases used?
a.isolation of mRNA
b.syn of double stranded dna
c.insertion of cDNA into vector dna.............answer
d.expression of the cloned gene by the bacteria
e.introduction of recombinant dna into bact cell.
plz correct me if wrong
Have a correction to make :
articulating surface of adult mand condyle is covered by which of the following ?
a.elastic tissue
b.synovial membrane
c.hyaline cartialge
d.typical perichondrium
e.collagenous connective tissue
its e here..
1)from the occlusal view,which of the following anatomical features r frequently found on both the primary max first and second molars?
a.four major cusps r evident
b.oblique ridges r well developed.
c.marginal ridges r well developed
d.outlines r rectangular in shape
e.crowns converge to te distal and lingual aspects.
is (c) ans??
2)a max CI cross sectioned at the cementoenamel junc will have which of the following forms?
a.round
b.square
c.triangular ------- ans
d.rectangular
e.pentagonal
3)when a dentist examines the normal max arch from a sagittal view,which of the following tooth inclinations can be observed?
a.posterior teeth r mesially inclined -----ans
b.ant teeth r straight with no inclination
c.ant teeth r distally inclined.
d.post teeth r straight with no inclination
e.post teeth r distally inclined
4)which of the following is considered an accessory ligament of the TMJ?
a.capsular
b.collateral
c.stylohyoid
d.sphenomandibular -------- ans
e.temperomandibular
is (b) ans??
5)when the post teeth contact more heavily than the ant teeth in closure,and the ant teeth disclude post teeth in eccentric movement,the condition is known as
a.group function
b.ant.open bite
c.CR-CO discrepancy - ---- i think
d.alert feeding position
e.mutually protected occlusion
6)from facial view,which of the following conditions is present on both primary max first and second molars?
a.a short root trunk
b.crowns resembling max first molar
c.presence of 3 roots,2 on lingual and 1 on facial
d.an indistinct facial developmental groove seperating 2 facial cusps
is (a) ans?? i think so,too
7)total number of cusps visible from the distal aspect of the crown of a max first molar
a.1
b.2
c.3
d.4
e.5
8)which of the following primary grooves uniting in the distal pit on the occlusal surface of the mand 2nd molar represents the one that normally has no counterpart in the distal pit of the first molar?
a.distolingual
b.DF triangular
c.DL triangular
d.distal marginal ------ ans
e.distal portion of the central
9)when viewed from the sagittal plane and progressing anteriorly,the axial inclination of the ant teeth
a.remains vertical
b.inclines facially --------ans
c.inclines mesially
d.'' distally
e. '' lingually
pls correct me if i'm wrong!!
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