MDU4031 EXAM 1 QUESTIONS
ANSWERS 2026 FINAL PAPER
PRACTICE QUESTIONS ANSWERS
ACCURATE A+
◉ equilibrium.
Answer: lowest free energy state of a system
◉ control.
Answer: direct manipulation of a variable
◉ regulation.
Answer: achievement of an end result
◉ negative feedback.
Answer: responds to altered output by restoring itself to initial set point
◉ positive feedback.
Answer: responds to altered output by moving variables further from
initial set point
◉ feed-forward.
Answer: anticipation of changes to act before alterations begin
, ◉ body heat is produced by:.
Answer: metabolism, food intake, muscular activity
◉ body heat is lost by:.
Answer: convection, radiation, and conduction (70%), evaporation of
sweat (27%), respiration (2%), urination/defecation (1%)
◉ radiation.
Answer: transfer of heat to and from the skin by electromagnetic waves
◉ conduction.
Answer: intermolecular thermal heat transfer b/w skin and air
◉ convection.
Answer: loss or gain of heat by the movement of air/water over the skin
◉ What is temp regulated by?.
Answer: hypothalamus
◉ cold-activated mechanisms.
Answer: increased: shivering, hunger, voluntary activity, secretion of
norepinephrine/epinephrine, horripilation
◉ heat-activated mechanisms.
ANSWERS 2026 FINAL PAPER
PRACTICE QUESTIONS ANSWERS
ACCURATE A+
◉ equilibrium.
Answer: lowest free energy state of a system
◉ control.
Answer: direct manipulation of a variable
◉ regulation.
Answer: achievement of an end result
◉ negative feedback.
Answer: responds to altered output by restoring itself to initial set point
◉ positive feedback.
Answer: responds to altered output by moving variables further from
initial set point
◉ feed-forward.
Answer: anticipation of changes to act before alterations begin
, ◉ body heat is produced by:.
Answer: metabolism, food intake, muscular activity
◉ body heat is lost by:.
Answer: convection, radiation, and conduction (70%), evaporation of
sweat (27%), respiration (2%), urination/defecation (1%)
◉ radiation.
Answer: transfer of heat to and from the skin by electromagnetic waves
◉ conduction.
Answer: intermolecular thermal heat transfer b/w skin and air
◉ convection.
Answer: loss or gain of heat by the movement of air/water over the skin
◉ What is temp regulated by?.
Answer: hypothalamus
◉ cold-activated mechanisms.
Answer: increased: shivering, hunger, voluntary activity, secretion of
norepinephrine/epinephrine, horripilation
◉ heat-activated mechanisms.
