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Quiz 228
Mdcat-past-papers Quiz
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4541. Which phenomenon increases the chances of variations?
Crossing Over
Linkage
Epistasis
Dominance
4542. When antibodies produced by B-cells, kill the antigens then it is called:
Cell mediated response
Passive response
Humoral response
Cells collaborated response
4543. B-Lymphocytes are formed and matured in:
Liver
Spleen
Bone marrow
Thymus
4544. Which of the following is a route of HIV transmission?
Unhygienic living conditions
Blood transfusion with contaminated blood
Hand shaking
Living together in the same room
4545. Which part of small intestine is responsible for nutrient absorption?
Duodenum
Jejunum
Ileum
Rectum
4546. Water can circulate in living organisms due to:
Surface tension and polarity
Cohesion and adhesion
Solubility in cells
Stable liquid range
4547. If the disease is caused due to a defective gene located on the X chromosome, then defectives gene can only be transmitted to male offspring by the:
Female gamete
Male gamete
Bacteria
Mutation
4548. Which group of viruses can cause diseases like influenza, measles and rabies?
Plant viruses
Animal viruses
Fungal viruses
Bacteriophages
4549. Which of the following biological molecule releases highest energy from its one gram?
Carbohydrates
Lipids
Protein
Water
4550. The best way to avoid AIDS is:
Preventive measures
Vaccination
Medication
Shots
4551. Which of the following substances pass through the glomerulus into Bowman's capsule?
Glucose
Red blood cells
Platelets
Albumin
4552. The appendix is attached to which part of large intestine?
Rectum
Caecum
Colon
Ileum
4553. Which structural characteristic is most accurate for arteries?
Thin walls with valves
Thick and muscular walls
Highly permeable walls
Large lumen lacking muscle
4554. A food sample contains long chains of amino acids bounded together. This indicates the presence of:
Carbohydrates
Lipids
Proteins
Nucleic acids
4555. Monoclonal antibodies are useful in cancer diagnosis by:
Replacing damaged tissue
Changing the genetic code of cancer cells
Killing healthy cells to reduce tumor spread
Detecting specific tumor markers in samples
4556. The main function of the pharynx in respiratory system:
Serves as passage for both food and air
Produces mucus
Produces voice
Filters air
4557. The main cause of acute kidney failure is:
Less sweating,
Hypothermia
Liver failure
Drinking of excess water
4558. During diastole, the heart chambers:
Relax and fill with blood
Contract strongly
Eject blood into arteries
Remain closed
4559. Kidneys perform their osmoregulatory role under the effect of Antidiuretic Hormone, which type of urine is produced in this situation?
Hypotonic urine with decreased volume
Hypotonic urine with increased volume
Hypertonic urine with decreased volume
Hypertonic urine with increased volume
4560. A person has swollen lymph nodes after throat infection. What does this indicate?
Failure of circulatory system
Extra glucose storage
Active immune response
Blockage of digestive track
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