Biology · Question 51
Which organ produces bile?
- Stomach
- Liver
- Spleen
- Gallbladder
Show AnswerHide Answer
Correct answer: B
Liver
The liver makes bile, which supports fat digestion.
LEARN AT YOUR OWN PACE
Nursing Question Bank
Think through each question, then reveal the answer and explanation.
Take a practice test →Prepare for Army AFNS and civilian nursing admissions in one place. Choose a pathway or browse all questions.
Each pathway includes common preparation. These are original practice questions, not verified official past papers.
Biology · Question 52
Where is bile stored between meals?
- Esophagus
- Appendix
- Gallbladder
- Pancreas
Show AnswerHide Answer
Correct answer: C
Gallbladder
The gallbladder stores bile made by the liver.
Biology · Question 53
Where are most digested food nutrients absorbed?
- Small intestine
- Rectum
- Mouth
- Esophagus
Show AnswerHide Answer
Correct answer: A
Small intestine
Most nutrient absorption occurs in the small intestine.
Biology · Question 54
What name describes the waves of muscle contraction moving food through the gut?
- Peristalsis
- Ventilation
- Coagulation
- Filtration
Show AnswerHide Answer
Correct answer: A
Peristalsis
Peristalsis propels digestive contents along the gastrointestinal tract.
Biology · Question 55
Salivary enzymes begin the digestion of which food component?
- Cellulose
- Cholesterol
- Mineral salts
- Starch
Show AnswerHide Answer
Correct answer: D
Starch
An enzyme in saliva starts breaking down starch.
Biology · Question 56
Digestive enzymes from the pancreas enter which part of the digestive tract?
- Mouth
- Rectum
- Esophagus
- Small intestine
Show AnswerHide Answer
Correct answer: D
Small intestine
Pancreatic ducts deliver enzyme-containing juice to the small intestine.
Biology · Question 57
Which blood component is chiefly responsible for carrying oxygen?
- White blood cells
- Fibrin strands
- Platelets
- Red blood cells
Show AnswerHide Answer
Correct answer: D
Red blood cells
Red blood cells carry oxygen from the lungs to body tissues.
Biology · Question 58
Which blood components are cell fragments that help stop bleeding?
- Neutrophils
- Lymphocytes
- Platelets
- Erythrocytes
Show AnswerHide Answer
Correct answer: C
Platelets
Platelets help form the initial response that limits bleeding.
Biology · Question 59
What is the liquid component in which blood cells are suspended?
- Marrow
- Bile
- Plasma
- Cartilage
Show AnswerHide Answer
Correct answer: C
Plasma
Plasma is the fluid portion of blood.
Biology · Question 60
Which blood-cell group is primarily associated with defence against infection?
- Reticulocytes
- White blood cells
- Red blood cells
- Platelets
Show AnswerHide Answer
Correct answer: B
White blood cells
White blood cells include cells that identify or attack infectious agents.