kin 492 Exam 1 Questions And Answers
Latest 2025
Physiologist use the term steady state to describe -
correct answer ✅A new balance between bodily demands and
physiological demands
What are the three muscle fiber types found in humans, from
fastest to slowest? -
correct answer ✅Type llx, Type lla, Type l
motor unit definition -
correct answer ✅An alpha-motor neuron and all of the muscle
fibers it innervates.
What muscles are likely to have very low muscle innervation ratio? -
correct answer ✅Flexor digitorum longus (finger flexer)
Electrical synapses require neurotransmitters (T/F) -
correct answer ✅False
_____________ signaling is a version of cell signaling where
chemical messengers are released outside of the cell and it effects
many adjacent cells. -
correct answer ✅juxtacrine
, kin 492 Exam 1 Questions And Answers
Latest 2025
Which of the following could result in an action potential? -
correct answer ✅A +10 to +15mV change in the typical resting
membrane potential (to reach threshold)
To initiate crossbridge formation between myosin and actin, Ca++ is
released from the SR and binds to what? -
correct answer ✅Tropomyosis
Which are/is true regarding lungs at rest? -
correct answer ✅The apex has greater ventilation vs. blood flow
The base is overperfused
The apex is underperfused
*All of the above*
During 60 minutes of constant-load exercise, heart rate increases
above rest but plateaus around 3 minutes into the exercise. This is
an example of: -
correct answer ✅Steady state exercise
Latest 2025
Physiologist use the term steady state to describe -
correct answer ✅A new balance between bodily demands and
physiological demands
What are the three muscle fiber types found in humans, from
fastest to slowest? -
correct answer ✅Type llx, Type lla, Type l
motor unit definition -
correct answer ✅An alpha-motor neuron and all of the muscle
fibers it innervates.
What muscles are likely to have very low muscle innervation ratio? -
correct answer ✅Flexor digitorum longus (finger flexer)
Electrical synapses require neurotransmitters (T/F) -
correct answer ✅False
_____________ signaling is a version of cell signaling where
chemical messengers are released outside of the cell and it effects
many adjacent cells. -
correct answer ✅juxtacrine
, kin 492 Exam 1 Questions And Answers
Latest 2025
Which of the following could result in an action potential? -
correct answer ✅A +10 to +15mV change in the typical resting
membrane potential (to reach threshold)
To initiate crossbridge formation between myosin and actin, Ca++ is
released from the SR and binds to what? -
correct answer ✅Tropomyosis
Which are/is true regarding lungs at rest? -
correct answer ✅The apex has greater ventilation vs. blood flow
The base is overperfused
The apex is underperfused
*All of the above*
During 60 minutes of constant-load exercise, heart rate increases
above rest but plateaus around 3 minutes into the exercise. This is
an example of: -
correct answer ✅Steady state exercise
