Which of the following statements is true? a. the genotype is the physical appearance of a trait. b. alleles, genes, and loci are different names for the same thing. c. the phenotype of a dominant allele is never seen in the f1 progeny of a monohybrid cross. d. a testcross can be used to determine whether an individual is homozygous or heterozygous for a dominant allele.

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.