A young girl falls off her bike and lands on her hand, breaking the medial bone of her antebrachium. Which bone did she break?
A) Her radius
B) Her carpal
C) Her humerus
D) Her ulna
E) Her metacarpal
D
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What type of tissue lines the trachea?
A. Cuboidal epithelium B. Simple squamous epithelium C. Stratified squamous keratinized epithelium D. Stratified squamous nonkeratinized epithelium E. Pseudostratified ciliated columnar epithelium
Which of the following is UNLIKELY to affect bone remodeling?
mechanical stress low blood Ca2+ concentration parathyroid hormone glucagon
Anaerobic metabolism regenerates the ________ required for glycolysis.
A. FAD B. NAD C. GTP D. ATP
Which are characteristics of mitochondria? Choose all that apply.
A. They produce proteins. B. They use oxygen; they are the reason why humans breathe. C. They produce ATP. D. Cellular respiration occurs here.