SPHE 314 Quiz #2

Question 1 of 10
10.0/ 10.0 Points
The two main components of the nervous system are:
 A.the autonomic nervous system and the somatic nervous system   
 B.the brain and the spinal cord   
C.the central nervous system and the peripheral nervous system
 D.the efferent and afferent divisions of the nervous system   

Answer Key: C
Question 2 of 10
10.0/ 10.0 Points
The site of impulse conduction from one neuron to another is called a(n)
 A.dendrite   
 B.axon   
 C.neuromuscular junction   
 D.synapse   

Answer Key: D
Question 3 of 10
10.0/ 10.0 Points
A localized change in a neuron's membrane potential, which may or may not spread over the entire cell membrane, is called
 A.graded potential   
 B.action potential   
 C.threshold potential   
 D.hyperpolarization   

Answer Key: A
Question 4 of 10
10.0/ 10.0 Points
Which of the following is NOT correct?
 A.The velocity of nerve impulse transmission is also determined by the neuron's size.   
B.Neurons of small diameter conduct nerve impulses faster than neurons of larger diameter   
 C.Neurons communicate with each other across synapses   
 D.Only when the sum of all individual action potentials meets or exceeds threshold can a graded potential occur   

Answer Key: B
Question 5 of 10
10.0/ 10.0 Points
Basal metabolism is the minimal 24-hour energy expenditure for
 A.physical activity   
 B.digestion and absorption   
 C.thermic effect of food   
 D.basic body functions   

Answer Key: D
Question 6 of 10
10.0/ 10.0 Points
BMR increases with increased body temperature
Correct
 A. True
 B. False


Answer Key: True
Question 7 of 10
10.0/ 10.0 Points
Hormonal Regulation of Metabolism During Exercise 5
Which group of hormones exerts metabolic and cardiovascular effects during exercise?
 A.thyroid hormones   
B.catecholamines   
 C.pancreatic hormones   
 D.adrenal cortex hormones   

Answer Key: B
Question 8 of 10
10.0/ 10.0 Points
An example of a target cell for glucagon would be

 A.kidney cells   
 B.heart cells   
 C.liver cells   
 D.adipose cells   

Answer Key: C
Question 9 of 10
10.0/ 10.0 Points
Which energy substrate contains the most energy per gram?
 A.carbohydrate   
 B.protein   
 C.fat   
 D.glycogen   

Answer Key: C
Question 10 of 10
10.0/ 10.0 Points
Which of the following is not a quantitative test or index of anaerobic capacity?
 A.Wingate anaerobic test   
 B.maximal accumulated oxygen deficit   
 C.maximal EPOC   
 D.critical power test   

Answer Key: C