Can some one please answer the following questions.
I have exam in two weeks. Very stressed out,
1. The secondary centre of ossification is found in which of the following areas?
a) Diaphysis
b) Epiphysis
c) Metaphysis
d) Epiphyseal plate
e) Inner aspects of bone trabeculae within the diaphysis
2)In a developing tooth, the boundary between pre-arneloblasts and pre-odontoblasts corresponds BEST to the boundary between which of the following?
a)Endocardium and myocardium
b) Myocardium and epicardium
c) Perimysium and epimysium
d) Dermis and hypodermis
e) Epidermis and dermis
3) which of the following nerves is located directly on the lateral surface of the medial pterygoid muscle?
a)Facial
b)Lingual
c)Masseteric
d)(Long)buccal
e)Auriculotemporal
4)Touch receptors are most numerous per unit area in the mucosa of which of the following?
a)Uvula
b)hard palate
c)attached gingiva
d)tip of the tongue
e)buccal/labial vestibule
5)Initially, the developing heart is
a)induced by the notochord
b)positioned anterior to the notochord
c)positioned anterior to the prochordal plate
d)between the prochordal plate and the notochord.
6)which of the following are parts of the conducting division of the respiratory system?
a)alveloi
b)alveolar ducts
c)primary bronchus
d)terminal bronchioles
e)respiratory bronchioles
7)which of the following susbstances is the predominant source of atp at moderate levels(greater than 20 minutes of aerobic exercise) of muscle activity?
a)amino acids
b)fatty acids
c)carbohydrates
d)proteins
8)solution A has ph of 7.0 and solution B has ph of 6. Both solutions are of equal volume. which of the following is most accurate?
a) A has 1/10 as many hydrogen ions as B
b) A has10 times more hydrogen than B
c)A has 7/6 of the hydrogen ion concentration of b
d)a has 6/7 of the hydrogen ions conc of b
9) the biologically active conformation of trimeric G-proteins requires
a) the alpha-subunit to bind gdp
b)the alpha-subunit yo bind GTP
c)the hydrolysis of betagamma-subunits
d)the alpha-subunit to phosphorylate downstream targets
10) hormones that exert their effects through the activation of second messengers are
a) lipophilic
b)usually water soluble peptide/protein hormones.
c)initiallybound to cytoplasmic hormone receptors
d)secreted by ovaries,testes,adrenal,cortex,and placenta
11)An analysis of an EKG shows P-waves occuring in the S-T segment. This would indicate eclopic beats originating in the
a) atria
b)A-V node
c)lower portion of the bundle of his
d)upper portion of bundle of his
12) An anemic indiviual is expected to have which of the following coniditions in systemic arterial blood?
oxygen tension oxygen content
a) elevated normal
b) elevated reduced
c) reduced normal
d) normal reduced
e) reduced reduced
13) Telrodotoxin blocks which of the foillowing channels in nerve-axion membrane?
a) sodium
b) calcium
c) hydrogen
d) chloride
e) potassium
14)active transport systems generally involve specific binding moelcules that are
a)lipid
b)protein
c)lipoprotein
d)carbohydrate
e)phospholipid
15) A patient bites down rapidly on a unexpected hard surface while chewing. this results in a cessation of molor unit recruitment in jaw closing muscles by causing stimulation of
a)muscle spindles
b)jaw-opening muslces
c)periodontal mechanoreceptors
d)nociceptors in the dental pulp
16) which of the following statements best describe the strength of cardiac muslce contraction? it is
a)decreased when extracellular ca++ is increased
b)increased when extracellular ca++ is increased
c)mainly regulated by vagal impulses
d)unaffected by extracellular ca++
e)mainly regulated by heart rate.
17)which of the following statements best describes GTP-binding proteins (g-proteins)?
a) are important componenets of steroid hormone signal transduction
b)catalyze the reaction which produces diacylglycerol
c)are tightly bound to adenylate cyclase
d)usually inactive protein kinase c
e)are membrane proteins
18) which of the following describes a major effect of sickle cell anemia?
a)absence of biphosphoglycerate binding of hemoglobin
b) substitution of 2 proximal histidines
c)decreased solubility of the doxy form of hemoglobin
d) a p50 value of hemoglobin similar to that of myoglobin
e) decreased number of subunits in hemoblobin
19)a deit rich tryptophan offsets a deficiancy of which of the following vitamins?
a)niacin
b)thiamine
c)riboflavin
d)vitamin D
e) vitaminK
20)The epidemic of HIV-related diseases bears major responsibility for the resurgence of which respiratory pathogen?
a)Streptococus pneumoniae
b)Hemophilus influenzae
c)Streptococus pyogenes
d)Mycobacterium tuberculosis
e)Mycoplasma pneumoniae
21) A patient who has minimal resistance to a gonococcal infection most probably has
a)leukocytosis
b)agammaglobulinemia
c)an eosinophil deficiency
d)deficiency in cell-mediated immunity
e)deficiency in complement factors c6,c7 and c8
I have exam in two weeks. Very stressed out,
1. The secondary centre of ossification is found in which of the following areas?
a) Diaphysis
b) Epiphysis
c) Metaphysis
d) Epiphyseal plate
e) Inner aspects of bone trabeculae within the diaphysis
2)In a developing tooth, the boundary between pre-arneloblasts and pre-odontoblasts corresponds BEST to the boundary between which of the following?
a)Endocardium and myocardium
b) Myocardium and epicardium
c) Perimysium and epimysium
d) Dermis and hypodermis
e) Epidermis and dermis
3) which of the following nerves is located directly on the lateral surface of the medial pterygoid muscle?
a)Facial
b)Lingual
c)Masseteric
d)(Long)buccal
e)Auriculotemporal
4)Touch receptors are most numerous per unit area in the mucosa of which of the following?
a)Uvula
b)hard palate
c)attached gingiva
d)tip of the tongue
e)buccal/labial vestibule
5)Initially, the developing heart is
a)induced by the notochord
b)positioned anterior to the notochord
c)positioned anterior to the prochordal plate
d)between the prochordal plate and the notochord.
6)which of the following are parts of the conducting division of the respiratory system?
a)alveloi
b)alveolar ducts
c)primary bronchus
d)terminal bronchioles
e)respiratory bronchioles
7)which of the following susbstances is the predominant source of atp at moderate levels(greater than 20 minutes of aerobic exercise) of muscle activity?
a)amino acids
b)fatty acids
c)carbohydrates
d)proteins
8)solution A has ph of 7.0 and solution B has ph of 6. Both solutions are of equal volume. which of the following is most accurate?
a) A has 1/10 as many hydrogen ions as B
b) A has10 times more hydrogen than B
c)A has 7/6 of the hydrogen ion concentration of b
d)a has 6/7 of the hydrogen ions conc of b
9) the biologically active conformation of trimeric G-proteins requires
a) the alpha-subunit to bind gdp
b)the alpha-subunit yo bind GTP
c)the hydrolysis of betagamma-subunits
d)the alpha-subunit to phosphorylate downstream targets
10) hormones that exert their effects through the activation of second messengers are
a) lipophilic
b)usually water soluble peptide/protein hormones.
c)initiallybound to cytoplasmic hormone receptors
d)secreted by ovaries,testes,adrenal,cortex,and placenta
11)An analysis of an EKG shows P-waves occuring in the S-T segment. This would indicate eclopic beats originating in the
a) atria
b)A-V node
c)lower portion of the bundle of his
d)upper portion of bundle of his
12) An anemic indiviual is expected to have which of the following coniditions in systemic arterial blood?
oxygen tension oxygen content
a) elevated normal
b) elevated reduced
c) reduced normal
d) normal reduced
e) reduced reduced
13) Telrodotoxin blocks which of the foillowing channels in nerve-axion membrane?
a) sodium
b) calcium
c) hydrogen
d) chloride
e) potassium
14)active transport systems generally involve specific binding moelcules that are
a)lipid
b)protein
c)lipoprotein
d)carbohydrate
e)phospholipid
15) A patient bites down rapidly on a unexpected hard surface while chewing. this results in a cessation of molor unit recruitment in jaw closing muscles by causing stimulation of
a)muscle spindles
b)jaw-opening muslces
c)periodontal mechanoreceptors
d)nociceptors in the dental pulp
16) which of the following statements best describe the strength of cardiac muslce contraction? it is
a)decreased when extracellular ca++ is increased
b)increased when extracellular ca++ is increased
c)mainly regulated by vagal impulses
d)unaffected by extracellular ca++
e)mainly regulated by heart rate.
17)which of the following statements best describes GTP-binding proteins (g-proteins)?
a) are important componenets of steroid hormone signal transduction
b)catalyze the reaction which produces diacylglycerol
c)are tightly bound to adenylate cyclase
d)usually inactive protein kinase c
e)are membrane proteins
18) which of the following describes a major effect of sickle cell anemia?
a)absence of biphosphoglycerate binding of hemoglobin
b) substitution of 2 proximal histidines
c)decreased solubility of the doxy form of hemoglobin
d) a p50 value of hemoglobin similar to that of myoglobin
e) decreased number of subunits in hemoblobin
19)a deit rich tryptophan offsets a deficiancy of which of the following vitamins?
a)niacin
b)thiamine
c)riboflavin
d)vitamin D
e) vitaminK
20)The epidemic of HIV-related diseases bears major responsibility for the resurgence of which respiratory pathogen?
a)Streptococus pneumoniae
b)Hemophilus influenzae
c)Streptococus pyogenes
d)Mycobacterium tuberculosis
e)Mycoplasma pneumoniae
21) A patient who has minimal resistance to a gonococcal infection most probably has
a)leukocytosis
b)agammaglobulinemia
c)an eosinophil deficiency
d)deficiency in cell-mediated immunity
e)deficiency in complement factors c6,c7 and c8
