An Astronaut in a Space Suit Has a Total Mass

question 6

Multiple Choice

An astronaut in a space suit has a total mass of 143.5 kg and is standing on a scale that reads in newtons inside an elevator.If the elevator accelerates upward at the rate of 1.8 m/s²,what does the scale read?

• A)703.2 N
• B)1,406.3 N
• C)882.3 N
• D)1,664.6 N

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Definitions:

Extracellular Fluid

The body fluid located outside the cells, which includes interstitial fluid, plasma, and transcellular fluid.

Aldosterone

A hormone produced by the adrenal glands that regulates sodium and potassium levels in the blood, thereby controlling blood pressure and the balance of fluids in the body.

Hypernatremia

Abnormally high plasma concentration of sodium ions.

Oversecretion

The production and release of a substance, such as a hormone or enzyme, in greater amounts than normal or necessary, often leading to various physiological imbalances or conditions.