A person placed in a cold environment cannot | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(D) When a person is exposed to a cold environment,the body initiates several thermoregulatory mechanisms to maintain homeostasis. $1$. Shivering is a

Vedclass · Accepted Answer

Increased heart rate and stroke volume

Vedclass · Answer

(D) When a person is exposed to a cold environment,the body initiates several thermoregulatory mechanisms to maintain homeostasis. $1$. Shivering is a rapid contraction and relaxation of skeletal muscles to generate heat. $2$. Vasoconstriction reduces blood flow to the skin to minimize heat loss. $3$. The hypothalamus triggers the release of thyroid hormones (thyroxine) and adrenal medulla hormones (epinephrine/norepinephrine) to increase the metabolic rate and heat production. $4$. Heart rate and stroke volume generally increase to support metabolic demands,but they are not primary thermoregulatory responses that a person 'cannot' exhibit; rather,they are physiological adjustments. However,in the context of standard physiological questions regarding thermoregulation,all these are typical responses. If the question implies a physiological impossibility,it is often noted that the body cannot 'stop' these responses voluntarily. Given the options,all are standard responses to cold stress.

$A$ person placed in a cold environment cannot exhibit which of the following?

Similar Questions

Select the correct option for the following statements:
$(1)$ Hyposecretion of growth hormone leads to gigantism / dwarfism.
$(2)$ Glucocorticoids are steroid / protein type hormones.
$(3)$ In females,luteinizing hormone induces ovulation / inhibits ovulation from the Graafian follicle.

Choose the incorrect sentence.

Identify the difference between the following pairs:
$(1)$ Neural system - Endocrine system
$(2)$ Oxytocin - Vasopressin
$(3)$ Dwarfism - Gigantism
$(4)$ $FSH - LH$

$5$-Hydroxytryptamine ($5$-$HT$) is known as:

Which of the following is $NOT$ considered a disorder related to hormonal secretion?

Vedclass Test Series

Exam Paper Generator

Online Exam Module