A. Niacin
B. Tyrosine
C. Methionine
D. Glycerol
Related Mcqs:
- Nor epinephrine is converted to epinephrine by______________?
A. Dopamine hydroxylase
B. Dopa decarboxylase
C. O-methylation
D. N-methylation - The structure that is closely related to the posterior end of the mylohyoid ridge is_______________?
A. Lingual nerve
B. Inferior alveolar nerve
C. Mylohyoid nerve
D. None of the above - An excess of which of the following hormones may be associated with increased sensitivity to epinephrine ?
A. Testosterone
B. Parathyroid
C. Insulin
D. Thyroid - Which of the following is not an action of epinephrine when administered intravenously in a high dose ?
A. Increased liver glycogenolysis
B. Causes broachiolar constriction
C. Evokes extrasystoles in the heart
D. Produces restlessness and anxiety - Physically and chemically, the dentin is closely related to______________?
A. Bone
B. Acellular cementum
C. Enamel
D. None of the above - Same or closely related antigens present in different biological species are known as________________?
A. Suquestrated antigens
B. Isoantigens
C. Haptens
D. Heterophile antigens - In excitable cells, repolarization is closely associated with, one of the following events_______________?
A. Na effux
B. Na influx
C. K efflux
D. K influx - Inulin clearance closely resembles_____________?
A. G.F.R
B. Renal plasma flow
C. Creatinine clearance
D. P.A.H. clearance - When viewed occlusally, a primary mandibular second molar closely resembles which of the following mandibular teeth ?
A. Permanent second molar
B. Permanent first molar
C. Second premolar
D. Primary first molar - Histologically the dental pulp most closely resembles______________?
A. Nerve tissue
B. Vascular tissue
C. Granulation tissue
D. Loose connective tissue
