The term duration refers to C. how long a workout or exercise lasts.
Explanation:
The definition of duration is "the time during which something continues." C is the only answer having to do with the time the workout continues at.
The alarm reaction stage refers to the initial symptoms the body experiences when under stress. ... Your heart rate increases, your adrenal gland releases cortisol (a stress hormone), and you receive a boost of adrenaline, which increases energy, in this case the best answer would be A Increased blood pressure
Psychological assessment is needed in certain cases where we're trying to determine certain psychological characteristics of the person we're assessing. This becomes increasingly important in cases where there is a HR department or something similar.
Answer:
b. It keeps alveoli from collapsing with breaths.
Explanation:
Surfactants are highly surface active agents which are formed from a protein and lipid complex. It comprises of a hydrophobic and hydrophilic portion and its sole purpose is to control the tension at the air-liquid interface and thereby lower the surface tension. Surfactants are produced by the type II aveolar pneumocytes in the lungs.
Surfactants are needed in order to aid breathing and prevent straining oneself, it also prevents the lungs from collapsing during breathing, a term known as atelectasis.
