Autism is MOST accurately defined as a:

Answer the questions in numerical order

A 21-year-old male was thrown over the handlebars of his motorcycle when he rear-ended a car that was stopped at a red light. He was wearing a helmet, which he removed prior to your arrival. He is conscious, but restless, and has closed deformities to both of his femurs. His skin is pale, his heart rate is rapid and weak, and his respirations are rapid and shallow. In addition to applying high-flow oxygen and protecting his spine, you should:

In contrast to delirium, dementia:

Red-green color blindness is a sex-linked recessive trait in humans. Two people with normal color vision have a color-blind son. What are the genotypes of the parents? 

The MOST accurate method for determining if you are delivering adequate tidal volume to a child during bag-mask ventilations is to:

Two thirds of children born with Down syndrome have:

An 8-year-old female with a history of asthma continues to experience severe respiratory distress despite being given multiple doses of her prescribed albuterol by her mother. She is conscious, but clearly restless. Her heart rate is 130 beats/min and her respiratory rate is 30 breaths/min. She is receiving high-flow oxygen via a nonrebreathing mask. You should:

If 0.9% NaCl were isotonic to a cell, then

A farmer wants to improve crop yield in his fields by testing the effectiveness of a new pesticide available on the market. Which one of the following is the best control for this experiment?