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MCQ on Microvilli

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What is the function of microvilli?
a. To absorb nutrients
b. To produce hormones
c. To store energy
d. To fight infections
Answer: a

Which type of tissue contains microvilli?
a. Muscle tissue
b. Nervous tissue
c. Epithelial tissue
d. Connective tissue
Answer: c

What is the shape of microvilli?
a. Round
b. Flat
c. Finger-like
d. Tubular
Answer: c

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What is the main protein component of microvilli?
a. Myosin
b. Actin
c. Collagen
d. Elastin
Answer: b

Which of the following is NOT a function of microvilli?
a. Absorption of nutrients
b. Secretion of hormones
c. Protection from pathogens
d. Increase in surface area for absorption
Answer: c

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In which organ system are microvilli commonly found?
a. Respiratory system
b. Digestive system
c. Nervous system
d. Reproductive system
Answer: b

What is the role of microvilli in the small intestine?
a. To increase the surface area for absorption of nutrients
b. To secrete digestive enzymes
c. To protect the intestine from pathogens
d. To produce mucus
Answer: a

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What is the name of the disorder where microvilli in the small intestine are damaged, leading to malabsorption of nutrients?
a. Cystic fibrosis
b. Crohn’s disease
c. Celiac disease
d. Ulcerative colitis
Answer: c

Which type of cell contains microvilli on their apical surface?
a. Neurons
b. Muscle cells
c. Epithelial cells
d. Stem cells
Answer: c

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Which of the following is NOT a characteristic of microvilli?
a. They are mobile
b. They are non-motile
c. They are finger-like projections
d. They increase surface area for absorption
Answer: a

What is the size range of microvilli?
a. 1-10 µm
b. 10-100 µm
c. 100-1000 µm
d. 1000-10,000 µm
Answer: a

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What is the name of the disorder where microvilli in the kidney are damaged, leading to proteinuria and renal failure?
a. Fanconi syndrome
b. Nephrotic syndrome
c. Glomerulonephritis
d. Pyelonephritis
Answer: b

Which of the following is a characteristic of microvilli in sensory cells?
a. They are immobile
b. They are highly branched
c. They are covered in cilia
d. They secrete neurotransmitters
Answer: b

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What is the name of the disorder where microvilli in the placenta are damaged, leading to pregnancy complications?
a. Pre-eclampsia
b. Gestational diabetes
c. Placenta previa
d. Ectopic pregnancy
Answer: a

Which of the following is a function of microvilli in the urinary system?
a. To filter blood
b. To reabsorb nutrients
c. To secrete hormones
d. To transport urine
Answer: b

Which of the following is a characteristic of microvilli in hair cells in the inner ear?
a. They are immobile
b. They are covered in cilia
c. They are highly branched
d. They secrete hormones
Answer: c

Which of the following types of cells do NOT have microvilli?
a. Kidney cells
b. Intestinal cells
c. Muscle cells
d. Lung cells
Answer: d

What is the name of the disease where microvilli in the colon are damaged, leading to diarrhea?
a. Cholera
b. Dysentery
c. Salmonella
d. Irritable bowel syndrome
Answer: a

Which of the following is a characteristic of microvilli in taste cells?
a. They are immobile
b. They are highly branched
c. They are covered in cilia
d. They secrete digestive enzymes
Answer: b

What is the name of the disease where microvilli in the gallbladder are damaged, leading to reduced bile flow?
a. Cholecystitis
b. Pancreatitis
c. Cirrhosis
d. Hepatitis
Answer: a

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