EASY
What physical state does the body enter when these regulatory mechanisms fail to work properly?
a. Stability
b. Equilibrium
c. Imbalance
d. Recovery
c. Imbalance
What is the direct consequence for the body if homeostatic loops break down?
a. The body permanently adapts to a new normal level.
b. The system shifts out of balance.
c. Positive feedback automatically converts into negative feedback.
d. The body locks into a permanent, unchangeable set point.
b. The system shifts out of balance.
A student overheats during exercise. His sweat glands begin secreting sweat, which evaporates and removes heat. What role do the sweat glands play?
Effector
What directional action does a negative feedback response perform against a bodily change?
a. Enhancing
b. Counteracting
c. Accelerating
d. Ignoring
b. Counteracting
What targeted reference value does negative feedback aim to steer conditions back toward?
a. Maximum
b. Threshold
c. Setpoint
d. Limit
c. Setpoint
After a student eats a meal, glucose rapidly enters the bloodstream, raising blood sugar levels. Before any extra sugar can be taken up by cells or stored for later, a specific organ must first sense this increase and send out insulin as a signal. Which organ detects the initial rise in blood glucose?
Pancreas
Into what substance does the liver store extra glucose to lower blood sugar levels?
Glycogen
A person's blood glucose remains too high because the body cannot regulate it adequately. What condition does this called?
Diabetes
After playing basketball, Mark's heart rate and body temperature increase. After resting, both gradually return toward their usual ranges. His internal conditions continue to change, but his body adjusts to keep them within suitable limits. Which concept best describes this overall ability?
Dynamic Constancy