Identify the organ circled in the image below.
Fill in the blank
The Correct Answer is {"dropdown-group-1":"B"}
The circled organ is the pancreas -it sits posterior to the stomach across the posterior abdominal wall and has both exocrine (digestive enzymes) and endocrine (insulin/glucagon) functions.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Biliverdin: biliverdin is a green pigment formed during heme breakdown and does not contain iron.
B. Heme: the heme moiety of hemoglobin contains an iron atom (Fe²⁺) at its center that binds oxygen.
C. Bilirubin: bilirubin is a breakdown product of biliverdin and does not contain iron.
D. Globin: globin is the protein part of hemoglobin (amino-acid chains); iron is in the heme portion, not the globin polypeptide.
Correct Answer is B
Explanation
A. Contraction of smooth muscles in airways -Smooth muscle constriction occurs in forced breathing or pathology, not quiet expiration.
B. Surface tension and the elastic recoil of lung tissues -Quiet expiration is passive, driven by elastic recoil and alveolar surface tension.
C. Contraction of the diaphragm -The diaphragm relaxes during expiration.
D. Contraction of the external intercostal muscles -These contract during inspiration, not expiration.
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