NEET Zoology Chemical Coordination and Integration MCQs

A patient presents with persistent hypercalcemia, despite normal parathyroid hormone levels. Further investigation reveals elevated levels of a peptide hormone produced by a malignancy. Which hormone is MOST likely responsible for this patient's hypercalcemia?

A patient exhibits elevated plasma renin activity, hypokalaemia, and hypertension. Which endocrine disorder is MOST likely?

A patient presents with central diabetes insipidus. Which of the following would be the MOST effective treatment?

A rare genetic disorder affects the synthesis of a specific enzyme crucial for converting T4 to T3. Which of the following would be the MOST likely clinical presentation in a patient with this disorder?

A patient exhibits symptoms of excessive thirst, frequent urination, and high blood glucose levels. Further investigation reveals normal insulin levels but impaired insulin receptor function. Which condition BEST explains the patient's presentation?

Conn's syndrome, characterized by primary hyperaldosteronism, results in specific electrolyte imbalances. Which of the following electrolyte profiles is MOST consistent with this condition?

A patient presents with persistent polyuria and polydipsia. Damage to which specific hypothalamic nuclei is MOST likely responsible for these symptoms, given that anterior pituitary function remains normal?

A researcher observes that a lesion in a rat's hypothalamus leads to poikilothermia (inability to regulate body temperature). Which area of the hypothalamus is MOST likely affected?

Lesions in which hypothalamic area would MOST likely result in uncontrolled rage and aggression in an animal model?

A patient exhibits adipsia (lack of thirst) despite severe dehydration. Which hypothalamic nucleus is MOST likely dysfunctional?