PBSE Practice Questions
The right coronary artery is said to be dominant when... - ✔✔it gives rise to the posterior
descending artery
The primary structural units of proteins are - ✔✔L-amino acids
which clotting fact
...
PBSE Practice Questions
The right coronary artery is said to be dominant when... - ✔✔it gives rise to the posterior
descending artery
The primary structural units of proteins are - ✔✔L-amino acids
which clotting factor is activated by contact with foreign surfaces, roughened vascular walls, and
platelet aggregates? - ✔✔XII (Hageman)
The effect of plasmin is to - ✔✔limit clotting by splitting of fibrin
the normal arterio-venous oxygen difference is approximately - ✔✔5 volumes percent
a characteristic of the oxygen dissociation curve for fetal hemoglobin is that - ✔✔it shifts to the
left of the maternal curve
at a given PO2, increasing the PCO2 results in - ✔✔less oxygen bound to hemoglobin
a sample of blood cooled from 37 C will undergo which of the following changes - ✔✔CO2
becomes more soluble and paCO2 decreases
If the diffusion coefficient for oxygen is 1, the diffusion coefficient for carbon dioxide is: -
✔✔20.3
in 85-95% of patients, the circumflex artery supplies the - ✔✔lateral aspect of the left ventricle
the obtuse marginal artery is a branch of the - ✔✔circumflex artery
diagonal coronary arteries supply the - ✔✔anterior wall of the LV
which arterial wall layer is composed of lamellae of smooth muscle and elastic tissue - ✔✔tunica
media
a characteristic of leukocytes is that they are - ✔✔larger than platelets
the main function of an enzyme is to - ✔✔increase the rate of a biochemical reaction
the classical pathway of complement activation is initiated by - ✔✔antibody-antigen reactions
which of the following is not a normal route for blood return to the interior of the heart -
✔✔bronchial veins
the effect of a calcium blocking drug is - ✔✔a marked decrease in trans membrane calcium
current
the most significant side effect of verapamil is - ✔✔
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