Which of the following muscles is involved in producing horizontal wrinkles in the forehead? A. The temporals B. The occipital belly C. They zygomaticus major D. The frontal belly of the epicranius 32. The tidal volume is air and is used to calculate the A. Remaining in the lungs atter forced expiration; residual volume B. Inhaled after normal inspiration : minute volume of reparation C. Exchanged during normal breathing : minute volume of respiration D. Forcibly expelled after normal expiration; the respiratory rate 33. Which of the following is not true of antigens ? A Have immunogenicity B. Have antigenic determinants C. Have reactivity D. Complete antigens are hartens
