A. The effect is more pronounced in venous
B. High membrane penetrability
C. Poorly suited for oral administration
D. All of the above
Related Mcqs:
- Action of Nitroglycerin is______________?
A. Direct action on smooth muscle
B. Slows SA node conductivity
C. Blocks arrhythmia
D. Increases perfusion to heart - 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 - 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 statements is not correct regarding warfarin_____________?
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 - 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 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 - Which of the following is not true regarding trigeminal nerve ?
A. Roots of trigeminal nerve are attached to pons
B. It has three main divisions
C. Trigeminal nerve supplies the dura mater of middle cranial fossa
D. The trigeminal ganglion contributes to the sensory root only - Which of the following statement is true regarding lathe cut low Copper silver alloy ?
A. Requires least amount of mercury
B. Achieves high compressive strength at 1 hr.
C. Has tensile strength both at 15 minutes and 7 days is comparable to high copper, unicompositional alloys
D. Has lower cree value - The following statement is true regarding fungal infection__________________?
A. Dermatophyte infection are exclusively man to animal
B. Rhinosporidium causes deep infection in man
C. albicans is not pathogenic to lab animals
D. Candida infection is usually endogenous
