Multiple Choice Questions

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Which of the following pituitary hormones is secreted without the involvement of a Releasing Hormone (RH)?

  • Thyroid Stimulating Hormone (TSH)

  • Follicle Stimulating Hormone (FSH)

  • Oxytocin

  • Prolactin


C.

Oxytocin

Oxytocin is a mammalian neurohypophysial hormone produced by hypothalamus and stored and secreted by posterior lobe of pituitary gland. It acts as a neuromodulator in the brain. It is secreted by the pituitary without the involvement of a Releasing Hormone (RH).

TSH, FSH and prolactin are secreted with the involvement of releasing hormones to release thyrotroph, gonadotroph and lactotroph cells triggers respectively the anterior lobe of pituitary to release their particular hormones such as thyroid releasing hormone, gonadotropin releasing hormone and prolactin releasing hormone, respectively.


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Which valve is present at the opening of coronary sinus?

  • Mitral valve

  • Eustachian valve

  • Thebesian valve

  • Tricaspid valve


Which blood cells can engulf bacteria by phagocytosis?

  • Eosinophil and basophil

  • Basophil and lymphocyte

  • Neutrophil and monocyte

  • Neutrophil and lymphocyte


The disease that occurs in mature adult human being due to deficiency of calciferol is

  • keratomalacia

  • osteomalacia

  • glossitis

  • pernicious anaemia


How many ATP are produced when one molecule of FADH2 is oxidised to FAD through electron transport system?

  • 2

  • 3

  • 1

  • 4


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The volume of air that can be breathed in by maximum forced inspiration over and above the normal inspiration is called

  • expiratory reserved volume

  • inspiratory reserved volume

  • vital capacity

  • inspiratory capacity


Which of the following organs does not produce any digestive enzymes?

  • Salivary gland

  • Pancreas

  • Liver

  • Stomach


The serous membrane which covers the lungs is called

  • pericardium

  • peritoneum

  • perichondrium

  • pleura


Which area of cerebral cortex is responsible for the interpretation of speech?

  • Broca's area

  • Wernicke's area

  • Premotor area

  • Association area of sensory cortex


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Which excitatory neurotransmitter is involved in the transmission of impulse at the neuromuscular junction?

  • Epinephrine

  • Serotonin

  • Acetylcholine

  • Glycine