The term cephalad means toward the tail end of the spine.
Answer the following statement true (T) or false (F)
False
Rationale: The term cephalad means toward the head.
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You see a female patient in the emergency room with severe, intermittent "loin" (lumbar region) pain who is also having great difficulty urinating. Your most likely first diagnosis is:
A) kidney disease. B) ureteric ischemia. C) ruptured renal artery. D) ectopic pregnancy. E) ureteric calculus.
Which of the following contains a crystalline form of calcium phosphate and is the hardest biologically manufactured substance?
A) enamel B) cementum C) dentin D) pulp E) periodontium
The cells of the juxtaglomerular apparatus help regulate:
a. ammonia levels b. acid-base balance c. blood pressure d. all of the above
Which cells secrete highly alkaline mucus to protect the stomach walls from the hostile environment caused by the acid and digestive enzymes produced in the stomach?
A. Chief cells B. Endocrine cells C. Mucous cells D. Parietal cells