Which of the following tasks would be appropriate for an LPN (Licensed Practical Nurse) to take?

Select all that apply.
a. Reinforcing teaching to a 24-year-old first-time mother on how to care for her new baby.
b. Adjustment of a 68-year-old patient's cervical traction as ordered by the attending doctor.
c. Obtaining an occult blood sample from a 16-year-old patient with ulcerative colitis.
d. An assessment of a 36-year-old man newly admitted for chest pain.