Medical Term Quiz Questions Part - 20

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| By Saraswatastar
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Saraswatastar
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Quizzes Created: 23 | Total Attempts: 4,845
| Attempts: 62
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  • 1/10 Questions

    Ring fracture is fracture of

    • Mastoid
    • Base of skull
    • Mandible
    • Acetabulum
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About This Quiz

Medical Term Quiz Questions Part - 20 tests key knowledge in human anatomy, medicine, and pharmacology. It assesses understanding of specific medical conditions, drug actions, and anatomical structures, valuable for medical students and professionals.

Medical Term Quiz Questions Part - 20 - Quiz

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  • 2. 

    Alveoli are kept dry because of

    • Surfactants

    • Glycoproteins

    • Buffers

    • Bohr effect

    Correct Answer
    A. Surfactants
    Explanation
    Surfactants are responsible for keeping alveoli dry. These substances reduce the surface tension of the fluid lining the alveoli, preventing them from collapsing and sticking together. By lowering the surface tension, surfactants allow for easier expansion and contraction of the alveoli during breathing, promoting efficient gas exchange. This helps to maintain the structural integrity of the alveoli and prevents the accumulation of fluid, keeping them dry. Glycoproteins, buffers, and the Bohr effect are not directly involved in keeping alveoli dry.

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  • 3. 

    Lens capsule is thinnest at

    • Equator

    • Post. pole

    • Ant. pole

    • Paracentral zone

    Correct Answer
    A. Post. pole
    Explanation
    The lens capsule is thinnest at the posterior pole. The lens capsule is a transparent structure that surrounds the lens of the eye. It is thickest at the equator, where it provides support and stability to the lens. However, at the posterior pole, the lens capsule becomes thinner, allowing for the transmission of light and the focusing of images on the retina. This thinning of the lens capsule at the posterior pole helps to optimize visual acuity and clarity.

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  • 4. 

    Etiology of rhinosporidiosis is

    • Fungal

    • Bacterial

    • Viral

    • Anaerobic

    Correct Answer
    A. Fungal
    Explanation
    Rhinosporidiosis is caused by a fungal infection. It is a chronic disease that primarily affects the mucous membranes of the nose and the eyes. The causative agent is a fungus called Rhinosporidium seeberi. This fungus is commonly found in stagnant water and soil. It enters the body through the mucous membranes and causes the formation of polyp-like growths. These growths can lead to symptoms such as nasal congestion, nosebleeds, and ocular discomfort. Treatment usually involves surgical removal of the growths, followed by antifungal medication to prevent recurrence.

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  • 5. 

    Adrenergic neuron blocking drugs are A/E

    • Reserpine

    • Guanethidine

    • Bretylium

    • Minoxidil

    Correct Answer
    A. Minoxidil
    Explanation
    Minoxidil is not an adrenergic neuron blocking drug. It is actually a potent vasodilator that works by relaxing and widening blood vessels. It is commonly used to treat high blood pressure and promote hair growth. Adrenergic neuron blocking drugs, on the other hand, inhibit the release or uptake of norepinephrine from sympathetic nerve terminals, thereby reducing sympathetic activity. Examples of adrenergic neuron blocking drugs include reserpine, guanethidine, and bretylium.

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  • 6. 

    Cabot's ring seen in

    • Megaloblastic anemia

    • Iron deficiency anemia

    • Both

    • None

    Correct Answer
    A. Megaloblastic anemia
    Explanation
    Cabot's ring is a pathological finding in the red blood cells that appears as a twisted or figure-eight shape. It is typically seen in megaloblastic anemia, a condition characterized by impaired DNA synthesis and maturation of red blood cells. Megaloblastic anemia is commonly caused by a deficiency of vitamin B12 or folic acid. In contrast, iron deficiency anemia is characterized by small, pale red blood cells without Cabot's ring. Therefore, the correct answer is megaloblastic anemia.

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  • 7. 

    Short gastric arteries are branches of

    • Hepatic artery

    • Gastroduodenal artery

    • Splenic artery

    • Left gastric artery

    Correct Answer
    A. Splenic artery
    Explanation
    Short gastric arteries are branches of the splenic artery. The splenic artery is responsible for supplying blood to the spleen, and it gives off several branches, including the short gastric arteries. These arteries travel from the splenic artery to the stomach, providing blood supply to the fundus and upper part of the greater curvature of the stomach. Therefore, the correct answer is the splenic artery.

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  • 8. 

    Gaucher's disease is due to deficiency of

    • Alfa glucosidase

    • Beta glucosidase

    • Alfa galactosidase

    • Beta galactosidase

    Correct Answer
    A. Beta glucosidase
    Explanation
    Gaucher's disease is a genetic disorder caused by a deficiency of beta glucosidase enzyme. This enzyme is responsible for breaking down a fatty substance called glucocerebroside. In Gaucher's disease, the deficiency of beta glucosidase leads to the accumulation of glucocerebroside in certain cells, particularly in the spleen, liver, and bone marrow. This buildup of glucocerebroside results in the characteristic symptoms of Gaucher's disease, including enlarged organs, anemia, easy bruising, and bone pain. Treatment for Gaucher's disease often involves enzyme replacement therapy to supplement the deficient beta glucosidase enzyme.

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  • 9. 

    Generation time in leprosy

    • 30 days

    • 2 months

    • 10-14 days

    • 6 months

    Correct Answer
    A. 10-14 days
    Explanation
    The correct answer is 10-14 days. This refers to the time it takes for the bacteria that causes leprosy to multiply and cause visible symptoms after infection. Leprosy has a relatively long incubation period compared to other infectious diseases. The range of 10-14 days suggests that symptoms can appear within two weeks of exposure to the bacteria. It is important to note that this is just the generation time, and the overall progression and severity of the disease can vary greatly among individuals.

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  • 10. 

    Boxcar appearance seen in

    • Clostridium perfringens

    • Streptococcal infn

    • Toxoplasma

    • Treponema

    Correct Answer
    A. Clostridium perfringens
    Explanation
    The boxcar appearance refers to the characteristic shape of the bacteria Clostridium perfringens when viewed under a microscope. The bacteria appear as rectangular or box-like structures, hence the term "boxcar appearance". This unique appearance helps in the identification and differentiation of Clostridium perfringens from other bacteria such as Streptococcal infn, Toxoplasma, and Treponema.

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  • Current Version
  • May 23, 2023
    Quiz Edited by
    ProProfs Editorial Team
  • Dec 07, 2014
    Quiz Created by
    Saraswatastar
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