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446 questions in this collection · Page 9 of 45
Question 81 of 446
📘 CLASS XII
Human Health And Disease
The gene identified in normal cells that, when activated, could lead to oncogenic transformation is called:
Several genes called cellular oncogenes (c-onc) or proto oncogenes have been identified in normal cells which, when activated, could lead to transformation.
Question 82 of 446
📘 CLASS XII
Human Health And Disease
Cancer detection based on examining stained, thin sections of suspected tissue under a microscope is known as:
Cancer detection is based on biopsy and histopathological studies of the tissue.
Question 83 of 446
📘 CLASS XII
Human Health And Disease
Which diagnostic technique uses X-rays to generate a three-dimensional image of the internals of an object?
Computed tomography uses X-rays to generate a three-dimensional image of the internals of an object.
Question 84 of 446
📘 CLASS XII
Human Health And Disease
Which technique uses strong magnetic fields and non-ionising radiations to accurately detect pathological changes in living tissue?
MRI uses strong magnetic fields and non-ionising radiations to accurately detect pathological and physiological changes.
Question 85 of 446
📘 CLASS XII
Human Health And Disease
In radiotherapy for cancer treatment, tumor cells are irradiated lethally while taking proper care of:
In radiotherapy, tumor cells are irradiated lethally, taking proper care of the normal tissues surrounding the tumor mass.
Question 86 of 446
📘 CLASS XII
Human Health And Disease
Which substance is given to cancer patients as a biological response modifier to activate their immune system against the tumor?
Patients are given biological response modifiers such as α-interferon which activates their immune system and helps in destroying the tumor.
Question 87 of 446
📘 CLASS XII
Human Health And Disease
The drugs commonly abused are classified into Opioids, Cannabinoids, and:
The drugs, which are commonly abused are opioids, cannabinoids and coca alkaloids.
Question 88 of 446
📘 CLASS XII
Human Health And Disease
Opioids bind to specific receptors present in the central nervous system and the:
Opioids bind to specific opioid receptors present in our central nervous system and gastrointestinal tract.
Question 89 of 446
📘 CLASS XII
Human Health And Disease
Heroin, commonly called smack, is chemically known as:
Heroin, commonly called smack is chemically diacetylmorphine.
Question 90 of 446
📘 CLASS XII
Human Health And Disease
Heroin is extracted from the latex of which plant?
Heroin is obtained by acetylation of morphine, which is extracted from the latex of poppy plant Papaver somniferum.