On average, toilet training is completed at about _____ months of age

A term having the opposite meaning of internal is ___________________

Fill in the blank(s) with correct word

What symptoms would you observe in a patient with first-degree AV block?

A. The patient would have a rapid pulse and shortness of breath. B. The patient would experience extreme fatigue and weakness. C. The patient would be unconscious. D. The patient would have normal cardiac output and no symptoms.