Prior to the Formation of the Protostar,________

question 74

Multiple Choice

Prior to the formation of the protostar,________.

• A)the interstellar clouds are composed of equal amounts of hydrogen and helium
• B)the temperature of the cloud is greater than 10,000 K
• C)nuclear fusion converts hydrogen to helium
• D)nuclear fusion does not occur

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Definitions:

Angiotensin II

Peptide derived from angiotensin I; stimulates vasoconstriction and aldosterone secretion; also called active angiotensin.

Blood Volume

The total volume of blood circulating within an individual's vascular system.

ADH Production

The synthesis and release of antidiuretic hormone, also known as vasopressin, primarily by the posterior pituitary gland, which helps regulate water balance in the body.

Hyperventilation

Rapid or deep breathing that leads to a decrease in carbon dioxide levels in the blood, potentially causing dizziness or tingling.