A. Transient hypercoagulability is seen
B. Better avoided during pregnancy as it may causes skeletal deformity of the foetus
C. In a racemic mixture the R form is four times more active than the S form
D. The anticoagulant effect is seen only after 72 hours of administration
Related Mcqs:
- All of the following statements regarding pharynx are correct except_____________?
A. The opening of auditory tube is located in the lateral wall of naxopharynx
B. The soft palate is at the level of separation of nasopharynx and the oropharynx
C. The pharynx is continuous with the esophagus at the level of sixth cervical vertebrae
D. The afferent limb of the gag reflex is 10th cranial nerve; the efferent limb is IX cranial nerve - Which of the following statements regarding nitroglycerin is true ?
A. The effect is more pronounced in venous
B. High membrane penetrability
C. Poorly suited for oral administration
D. All of the above - All of the following statements regarding biovailability of a drug are true except______________?
A. It is the proportion (fraction) of unchanged drug that reaches the systemic circulation
B. Biovailability of an orally administered drug can be calculated by comparing the area under cure (o-a) after oral and intravenous (IV) administration
C. Low oral biovailability always and necessarily mean poor absorption
D. Biovailability can be determined from plasma concentration or urinary excretion data - Which of the following statements regarding middle constrictor muscle is wrong__________________?
A. Lies on superior constrictor
B. Lymph from it drains in the deep cervical lymph nodes
C. Has sensory innervation from vagus
D. Is a derivative of the second pharyngeal arch - All of the following statements are true regarding reversible cell injury, except______________?
A. Formation of amorphous densities in the mitochondrial matix
B. Diminished generation of adenosine triphosphate (ATP)
C. Formation of blebs in the plasma membrane
D. Detachment of ribosomes from the granular endoplasmic reticulum - All of the following statements are true regarding cervicofacial actinomycosis, EXCEPT_____________?
A. 110-20% of actinomycosis cases occur in cervicofacial region
B. The discharging pus contains visible sulphur granules
C. Cultures on blood agar often produce a typical molar tooth morphology
D. There is usually history of trauma such as tooth extraction or a blow to the jaw - Which of the following is correct regarding chemical setting of condensation silicone_______________?
A. Polymerization occurs with repeated elimination of small molecules
B. Polymerization occurs with elimination of single byproduct
C. By condensation of repeated molecules of monomers
D. Condensation does not occur at all - Which of the following is correct arrangement of impression material regarding linear contraction in ascending order ?
A. Addition silicone < polyether < polysulfide < condensation silicone
B. Addition silicone < polysulfide < Polyether < condensation silicone
C. condensation silicone < polyether < polysulfide < Addition silicone
D. condensation silicone < polysulfide < polyether < Addition silicone - All of the following statements about pain are correct except_____________?
A. Analgesia is associated with μ and k receptors
B. Dysphoria is associated with S receptors
C. NSAIDS benefit by preventing prostaglandin synthesis
D. Naloxane is a non-competitive antagonist and irreversibly opposes the opioids - All of the following statements about opioids is correct except_____________?
A. Pentazocine and buprinorphine
B. Pentazocine shows withdrawal symptoms in opioid dependent patients
C. Partial agonists are free from classic opioid adverse effects
D. Ethomorphine is similar to pethidine chemically
