All the following are functions of the digestive system except:
Break down ingested foods
Digest ingested foods to release nutrients
Production of red blood cells
Excretion of waste products
The Correct Answer is C
A. Break down ingested foods: The digestive system performs mechanical and chemical breakdown (e.g., chewing, enzymes) of ingested food.
B. Digest ingested foods to release nutrients: Digestion (chemical breakdown) releases absorbable nutrients (amino acids, monosaccharides, fatty acids).
C. Production of red blood cells: Hematopoiesis (production of RBCs) occurs mainly in bone marrow (and in fetal life the liver/spleen), not as a function of the digestive tract.
D. Excretion of waste products: The digestive system eliminates undigested material and some metabolic wastes as feces.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Primary bronchus: The primary (main) bronchus is the first large airway branch that arises at the carina from the trachea and conducts air into each lung.
B. Respiratory bronchiole: Respiratory bronchioles are very small distal airways that contain alveoli and are deep within the lung parenchyma; they are much smaller than the structure shown near the main branch.
C. Trachea: The trachea is the central airway above the bifurcation (a vertical tube with cartilage rings); a label on the long central tube would indicate the trachea, not the branching airway.
D. Secondary bronchus: Secondary (lobar) bronchi are branches of the primary bronchus that lead to lung lobes; they are a generation distal to the main bronchus and are smaller than the primary bronchus.
Correct Answer is B
Explanation
A. Calyx, nephron, collecting duct, urinary bladder, renal pelvis, ureter, urethra: Sequence is wrong -filtrate is formed in nephron, flows into collecting duct, then into calyx → renal pelvis → ureter → bladder → urethra.
B. Nephron, collecting duct, calyx, renal pelvis, ureter, urinary bladder, urethra: Urine forms in nephron → drains into collecting duct → minor/major calyces → renal pelvis → ureter → urinary bladder → urethra for elimination.
C. Nephron, renal pelvis, collecting duct, calyx, urinary bladder, urethra, ureter:Renal pelvis and calyx order is swapped relative to collecting duct; ureter/bladder order is wrong.
D. Collecting duct, nephron, renal pelvis, calyx, urinary bladder, ureter, urethra:Collecting duct follows the nephron (not precedes it); calyx and pelvis ordering is
Whether you are a student looking to ace your exams or a practicing nurse seeking to enhance your expertise , our nursing education contents will empower you with the confidence and competence to make a difference in the lives of patients and become a respected leader in the healthcare field.
Visit Naxlex, invest in your future and unlock endless possibilities with our unparalleled nursing education contents today
Report Wrong Answer on the Current Question
Do you disagree with the answer? If yes, what is your expected answer? Explain.
Kindly be descriptive with the issue you are facing.