The ________ is the innermost layer of the eye and it contains photoreceptor cells (rods and cones)
A) retina
B) cornea
C) lens
D) sclera
A
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Which of the following is not part of the skin?
A. Epidermis B. Papillary layer C. Hypodermis D. Sratum basale E. Dermis
The artery that bifurcates into the right subclavian artery and the right common carotid artery is the
A. brachiocephalic artery. B. right common iliac artery. C. right brachial artery. D. right coronary artery. E. superior vena cava.
The cyclical process of contracting and relaxing of the precapillary sphincters is called _________________
Fill in the blank with correct word.
A 60-year-old woman comes to the emergency department with shortness of breath. An arterial blood sample is obtained
PO2: 75 mm Hg (normal: 75 to 100 mm Hg) PCO2: 58 mm Hg (normal: 33 to 44 mm Hg) [HCO3-]: 24 mEq/L (normal: 22 to 28 mEq/L) pH: 7.24 (normal: 7.35 to 7.45) What is this woman's acid-base disorder? A. metabolic acidosis B. metabolic alkalosis C. acute respiratory acidosis D. acute respiratory alkalosis E. chronic respiratory acidosis