Consider the following statements about thermoregulation in animals. A. It uses external environment to regulate internal body temperature B. It does not use external environment to regulate internal body temperature […]
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CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Pathogenesis of Fever in Bacterial Infection: Understanding the Role of Cytokines and Prostaglandins
In fever caused by bacterial infection, the set-point of the thermoregulatory mechanism is changed to a new point above 37OC. The following statements were proposed by a researcher to explain […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Understanding Fever Mechanism: The Role of Cytokines, Prostaglandins, and Aspirin
There is evidence that following pyrogenic stimuli, cytokines produced by the CNS cause fever, possibly by local release of prostaglandins. Accordingly, the following statements have been proposed: A. Cytokines act […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Key Mechanisms of Thermogenesis in Brown Adipose Tissue During Cold Exposure
The mechanisms of thermogenesis in brown adipose tissue (BAT) in cold are described in the following proposed statements: A. A thermogenic uncoupling protein, UCP1 helps in the heat production in […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Identifying Incorrect Physiological Statements About Cold Adaptation in Humans
Humans exposed to cold climate are able to maintain their body temperature. The physiological mechanisms operating in the condition were suggested in the following statements: A. The increased thermogenesis in […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Understanding Heat Acclimatization: Which Physiological Adjustments Are Not True?
A visitor to a region of hot climate is more distressed by the heat than the regular resident. Within a few weeks, the visitor is more comfortable with the heat […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
Physiological Adjustments During Heat Acclimatization: What Does Not Occur?
Which one does NOT occur as a physiological adjustment during heat acclimatization? (1) Lowered threshold for start of sweating (2) Effective distribution of cardiac output (3) Improved skin blood flow […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
How the Human Body Thermoregulates When Core Temperature Rises Above Normal
If the core body temperature of a human rises above normal, which of the following processes would be initiated sequentially for Thermo-regulation? (1) Peripheral vasodilation, increased rate of respiration, tachycardia. […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
How Humans Lose Body Heat at 21°C: The Dominant Routes Explained
Which one of the following routes is responsible for maximum amount of body heat loss in humans at an ambient temperature of 210C? (1) Radiation and conduction (2) Respiration (3) […]
CSIR NET Life Science Previous Year Questions and Solution on Animal Physiology
How Polar Bears Maintain Body Temperature: The Role of Uncoupling Proteins
Polar bears maintain their body temperature because they have more of (1) transducin protein. (2) uncoupling protein. (3) myoglobin protein. (4) FOF1 ATPase. How Polar Bears Maintain Their Body Temperature: […]
