A 55-yeаr-оld mаle cоnsulted his physiciаn because оf weakness, lightheadedness, vertigo, and angina. The patient also complained of sores on his tongue. The physical examination revealed jaundice. The pulse rate was increased, and the spleen and liver were slightly enlarged. The tongue appeared smooth and bright red in color. Family history revealed no clues. Neurological exam revealed quickening of reflex responses. Patient history indicated a total gastrectomy five years earlier for stomach cancer and intermittent heart problems that had not required surgery. The physician ordered the following tests: TEST RESULTSWBC 3.1 × 109/LRBC 2.45 × 1012/LHGB 10.5 gm/dLHCT 29.0%MCV 118 fl MCH 42.8 pg MCHC 36.2 gm/dLRDW 15.7PLT 83 × 109/L Differential: Segs 49%Bands 6%Lymphs 30%Mono 8%Eos 5%Basos 2% Peripheral blood: macro-ovalocytes What is (are) the most appropriate reflex test(s)?