Problem: Two brothers were born 20 years apart. Tom, the older brother, was 72, while Dan was 52 years-old. they got along pretty well. Which brother had a smaller chance of developing cardiovascular diseases?

A: Dan

Problem: Jennifer and Maria both had unprotected sex with the same man. This man, unbeknownst to them, has hepatitis b. Both women go to the doctor to get checked out. Jennifer reports that she is coughing frequently and has a congested nose. The doctor notices that Maria has yellow eyes and she tells the doctor that she has been throwing up. Which woman is more likely to have gotten a hepatitis B vaccine in the past?

A: Jennifer

Problem: Two men in the Vietnam War needed to have their arms amputated. Unfortunately, the men were not able to be knocked unconscious for the operation. The doctor asked each patient if they wanted anesthetic injected into their arm or not. Marco replied that he wanted some, and Luke declined any anesthetic. Whose nerve impulses will not be transmitted?

A: Marco

Problem: Frank owned two parcels of land. He called them Forest and Field. The Forest parcel was covered in old-growth pine, while Field one was covered in grass and wildflowers. Frank was very proud of his properties. Which parcel had more plants with light pollen grains?

A:
Forest