Identify the chamber of the heart that is indicated by the arrow in the image below. Note: this must include the appropriate right or left designation for credit.
Fill in the blank
The Correct Answer is {"dropdown-group-1":"C"}
Correct answer: Right atrium
The arrow indicates the right atrium— the chamber that receives systemic venous return via the superior and inferior venae cavae.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Their epithelial lining changes to connective tissue. -The lining transitions from pseudostratified ciliated columnar to cuboidal to simple squamous, but never connective tissue.
B. Their epithelial lining becomes thinner. -This thinning allows efficient gas exchange at the alveolar level.
C. They have relatively thicker epithelial lining. -The epithelium actually becomes progressively thinner.
D. They have relatively more cartilage. -Cartilage decreases as bronchi branch into bronchioles, disappearing entirely in terminal bronchioles.
Correct Answer is B
Explanation
A. Pepsinogen: pepsinogen is secreted by chief cells, not parietal cells.
B. Hydrochloric acid: parietal cells secrete HCl, which acidifies the stomach and helps activate pepsinogen.
C. Mucus: mucus is secreted by mucous (surface) cells to protect the gastric epithelium, not by parietal cells.
D. Pepsin: pepsin is the active protease formed from pepsinogen by HCl; parietal cells secrete HCl, not active pepsin.
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