BODY FLUIDS AND CIRCULATION MCQ WITH ANSWERS
Frequently Asked MCQ quiz on the Body Fluids and Circulation Questions with Answers – MCQ Quiz for Competitive Exam Preparation – These questions given will be useful for competitive exams preparation. We will be updating more mcq regularly, please follow our website regularly.
Which of the following is not a component of blood?
A) Platelets
B) Plasma
C) Red blood cells
D) Insulin
Answer: D) Insulin
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What is the primary function of plasma in blood?
A) Transport of oxygen
B) Defense against pathogens
C) Regulation of body temperature
D) Transport of nutrients and waste products
Answer: D) Transport of nutrients and waste products
Which of the following is responsible for clotting of blood?
A) Platelets
B) White blood cells
C) Red blood cells
D) Plasma
Answer: A) Platelets
What percentage of blood is composed of plasma?
A) Approximately 50%
B) Approximately 60%
C) Approximately 70%
D) Approximately 90%
Answer: C) Approximately 70%
Which of the following is NOT a type of white blood cell?
A) Neutrophil
B) Erythrocyte
C) Lymphocyte
D) Monocyte
Answer: B) Erythrocyte
Which blood component is primarily responsible for carrying oxygen?
A) Red blood cells
B) Platelets
C) Plasma
D) White blood cells
Answer: A) Red blood cells
What is the average lifespan of a red blood cell in circulation?
A) 10 days
B) 30 days
C) 60 days
D) 120 days
Answer: D) 120 days
Which of the following statements about lymph is true?
A) It contains mainly red blood cells.
B) It is a component of blood plasma.
C) It is formed from excess tissue fluid.
D) It has no role in the immune system.
Answer: C) It is formed from excess tissue fluid.
Which of the following is NOT a function of lymph nodes?
A) Filtering lymph
B) Production of red blood cells
C) Immune response initiation
D) Removal of foreign particles and bacteria
Answer: B) Production of red blood cells
What is the function of cerebrospinal fluid?
A) Transporting oxygen to the brain
B) Providing mechanical support and protection to the brain
C) Regulating blood sugar levels
D) Digesting nutrients in the brain
Answer: B) Providing mechanical support and protection to the brain
Where is synovial fluid found in the body?
A) In the blood vessels
B) In the joints
C) In the digestive system
D) In the respiratory system
Answer: B) In the joints
Which of the following is NOT a function of saliva?
A) Digesting carbohydrates
B) Lubricating food for swallowing
C) Neutralizing stomach acid
D) Producing red blood cells
Answer: D) Producing red blood cells
What is the primary component of tears?
A) Water
B) Mucus
C) Salts
D) Enzymes
Answer: A) Water
Which gland produces sebum, an oily substance that lubricates the skin and hair?
A) Salivary gland
B) Sebaceous gland
C) Sweat gland
D) Thyroid gland
Answer: B) Sebaceous gland
Which of the following is NOT a function of sweat?
A) Regulating body temperature
B) Removing waste products
C) Lubricating joints
D) Moistening the skin
Answer: C) Lubricating joints
Where is bile produced?
A) Liver
B) Stomach
C) Pancreas
D) Gallbladder
Answer: A) Liver
Which of the following is NOT a component of bile?
A) Water
B) Cholesterol
C) Bile salts
D) Insulin
Answer: D) Insulin
What is the primary function of bile?
A) Digesting proteins
B) Emulsifying fats
C) Regulating blood sugar levels
D) Transporting oxygen
Answer: B) Emulsifying fats
Which of the following is NOT a component of pancreatic juice?
A) Amylase
B) Lipase
C) Pepsin
D) Trypsin
Answer: C) Pepsin
What is the function of pancreatic juice?
A) Breaking down carbohydrates
B) Breaking down proteins
C) Breaking down fats
D) All of the above
Answer: D) All of the above
Where is gastric juice produced?
A) Liver
B) Gallbladder
C) Stomach
D) Pancreas
Answer: C) Stomach
Which of the following is NOT a component of gastric juice?
A) Pepsin
B) Hydrochloric acid
C) Bile
D) Mucus
Answer: C) Bile
What is the primary function of hydrochloric acid in gastric juice?
A) Emulsifying fats
B) Breaking down proteins
C) Regulating blood sugar levels
D) Transporting oxygen
Answer: B) Breaking down proteins
Which of the following is NOT a function of mucus in the stomach?
A) Protecting the stomach lining from acid
B) Lubricating food for swallowing
C) Absorbing nutrients
D) Facilitating movement of food
Answer: C) Absorbing nutrients
Where is bile stored before being released into the small intestine?
A) Pancreas
B) Liver
C) Gallbladder
D) Stomach
Answer: C) Gallbladder
Which of the following is the primary component of blood plasma?
A) Red blood cells
B) White blood cells
C) Platelets
D) Water
Answer: D) Water
What is the primary function of red blood cells?
A) Transporting oxygen
B) Fighting infection
C) Clotting blood
D) Carrying nutrients
Answer: A) Transporting oxygen
Which blood vessels carry blood away from the heart?
A) Veins
B) Capillaries
C) Arteries
D) Venules
Answer: C) Arteries
What is the role of hemoglobin in red blood cells?
A) Fighting infection
B) Carrying oxygen
C) Producing antibodies
D) Breaking down toxins
Answer: B) Carrying oxygen
Which of the following is NOT a type of white blood cell?
A) Neutrophil
B) Lymphocyte
C) Erythrocyte
D) Monocyte
Answer: C) Erythrocyte
What is the main function of platelets in the blood?
A) Carrying oxygen
B) Clotting
C) Fighting infection
D) Transporting nutrients
Answer: B) Clotting
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