A. There are gaps between tight junctions at the active sites
B. There are no gaps between active sites
C. Less activity in the membrane
D. Fibronectin provides a barrier for diffusion
Related Mcqs:
- Drug which crosses placental barrier is____________?
A. phenytoin
B. Diazepam
C. Corticosteroids
D. All of the above - Blood brain barriers is absent in all of the following areas except__________________?
A. Subfornical region
B. Habenuclear trigone
C. Area posterma
D. Neurohypophysis - Blood supply to the brain during moderate exercise________________?
A. decreases
B. Remains constant
C. Increases
D. Increases then decreases - A patient with A – ve blood group can receive blood from_______________?
A. Positive donor
B. B negative donor
C. AB positive donor
D. A negative donor - Universal blood donor ill be a blood group of_______________?
A. Positive
B. Negative
C. AB positive
D. AB negative - In PHC, which anticoagulant is used to send the blood sample for blood glucose_____________?
A. EDTA
B. Heparin
C. Potassium oxalate+ sodium fluoride
D. Potassium oxalate - Drugs that does not cross Blood Brain Barrier______________?
A. Atropine
B. Neostigmine
C. Physostigmine
D. Scopolamine - The anticoagulant of choice used in the blood bank is_______________?
A. Calcium oxalate
B. Heparin solution
C. Acid citrate dextrose solution
D. Sodium fluoride - In a blood sample antiserum A and antiserum B and Rh+ ve factor is added. No agglutination is seen. This is_______________?
A. O group and Rh+ ve
B. O group and Rh- ve
C. AB group and Rh+ ve
D. AB group and Rh – ve - Which of the following statements about pulmonary surfactant is false ?
A. It is secreted by Type II pneumocytes
B. It contains lecithin and sphingomyelin
C. It increases surface tension
D. It prevents collapse of smaller alveoli
