Diffusion is the net movement of substances from an area of ___ concentration to an area of ___ concentration.
a) higher, lower
b) lower, higher
c) neither (there is no net movement)
Ans: a) higher, lower
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Charlie is a 2 ½-year-old boy with a history of asthma and allergies. He is on several maintenance medications. His parents rush him to the emergency room due to increased lethargy, high fever, and fluid retention in his hands and feet. His laboratory results find a low albumin and high lipid levels. What is Charlie suffering from?
A) cystic fibrosis B) type 1 diabetes C) nephrotic syndrome D) uremic syndrome
All body tissues contain approximately 75% water
Indicate whether the statement is true or false
Which organ synthesizes the hormone glucagon?
a. Liver b. Pancreas c. Gallbladder d. Large intestine
Which vitamin is needed to make coenzyme A?
A. Vitamin A B. Vitamin B-6 C. Pantothenic acid D. Biotin