Category: B

  • Blood protein

    A broad term encompassing numerous proteins, including hemoglobin, albumin, globulins, the acute-phase reactants, transporter molecules, and many others. Normal values are hemoglobin, 13 to 18 g/dl in men and 12 to 16 g/dl in women; albumin, 3.5 to 5.0 g/dl of serum; globulin, 2.3 to 3.5 g/dl of serum. The amount of albumin in relation…

  • Basilar process

    The narrow part of the base of the occipital bone, in front of the foramen magnum, articulating with the sphenoid bone.  

  • Bilevel positive airway pressure

    A type of continuous positive airway pressure in which both inspiratory and expiratory pressure are set.  

  • Brow presentation

    Fetal position in which the brow or face of the infant comes first during labor, making vaginal delivery almost impossible. Cesarean section may be needed if the presentation cannot be altered. Occasionally, a rare type of abnormal fetal positioning called “brow presentation” can occur, where the head of the fetus is slightly bent backward and…

  • Bowel prep

    The administration of a clear liquid diet with laxatives, enemas, or both, in anticipation of endoscopy of the lower gastrointestinal tract to provide an optimal view of the bowel wall.  

  • Blocked practice

    A means of gaining mastery over a skill by drilling, i.e., by performing tasks or movements repeatedly according to a fixed procedure.  

  • Brickner position

    A method of obtaining traction, abduction, and external rotation of the shoulder by securing the patient’s wrist to the head of the bed.  

  • Bonnet’s position

    In inflammation of the hip joint, the flexion, abduction, and outward rotation of the thigh, which produces relief.  

  • Bleeding polyp

    An angioma of the nasal mucous membrane.  

  • Bulbar poliomyelitis

    Poliomyelitis in which the gray matter of the medulla oblongata is involved, affecting respiratory nerves and muscles supplied by the cranial nerves, resulting in paralysis and usually respiratory failure.