During development a cleft palate forms when which bones fail to meet along the midline of the hard palate?
A) temporal
B) maxillae
C) zygomatic
D) sphenoid
E) ethmoid
B
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Erica came down with the flu. She experienced severe vomiting, determined to be primarily stomach contents, for three days, and now is having chest pains. She is calling one of her symptoms "heartburn," but reported that it felt as if she had swallowed a small apple whole. Certain that she was having a heart attack, Erica rushed to the doctor. The doctor took her history and symptoms, and
reassured her that she only had esophagitis. How did the physician conclude this? Is her blood pH higher or lower than normal? What will be an ideal response?
Which of the following correctly describes water movement across the epithelial cells lining the collecting duct?
A) Water can permeate the lipid bilayer at all times. B) Water can permeate the phospholipid bilayer only in the presence of aldosterone. C) Water can permeate the apical membrane through aquaporin-2 and the basolateral membrane through aquaporin-3, but aquaporin-2 is only present in the presence of ADH. D) Water can permeate the basolateral membrane through aquaporin-2 and the apical membrane through aquaporin-3, but aquaporin-2 is only present in the presence of aldosterone. E) Water can permeate the phospholipid bilayer only in the presence of ADH.
Blood in the urine is called ____
a. hemodialysis b. hematuria c. oligouria d. pyuria
Which of the following is mismatched?
A. M line - middle of the H zone B. Actin myofilaments - thin myofilaments C. Z disk - structure between adjacent sarcomeres D. Myosin myofilaments - thin myofilaments E. I band - contains only actin