Identify the organ circled in the image below. Fill in the blank
The Correct Answer is {"dropdown-group-1":"B"}
Correct answer: Small intestine
The small intestine appears as multiple long, coiled loops in the central abdomen (jejunum/ileum) and is the principal site for nutrient absorption - the coiled tubular structures circled are characteristic of the small intestine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is ["A","B"]
Explanation
A. Filter lymph: lymph nodes physically and biologically filter lymph, trapping pathogens and debris.
B. Immune surveillance: lymph nodes house lymphocytes and antigen-presenting cells that monitor for and respond to foreign antigens.
C. Produce macrophages: lymph nodes contain macrophages (and support their activity), but macrophages differentiate from monocytes in tissues; nodes are not typically described as producing macrophages de novo.
D. Filter blood: the spleen primarily filters blood; lymph nodes filter lymph, not systemic blood.
Correct Answer is C
Explanation
A. Absorbing fat from ingested food: saliva does not absorb fat; lipid processing occurs later (emulsification by bile, digestion by lipase).
B. Breaking food into smaller pieces: Incorrect (partly true) -mastication (teeth and jaw) breaks food down; saliva lubricates and moistens but does not mechanically triturate alone.
C. Beginning the chemical digestion of carbohydrates: saliva contains salivary amylase, which begins starch digestion into smaller sugars.
D. Cleansing the esophagus: saliva helps cleanse the mouth and aids swallowing, but it does not “cleanse the esophagus” as a primary function.
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