Navigation » List of Schools » Los Angeles Southwest Community College » Physiology » Physiology 001 – Introduction to Human Physiology » Fall 2022 » Laboratory Midterm Exam
Below are the questions for the exam with the choices of answers:
Question #1
A False
B True
Question #2
A False
B True
Question #3
A True
B False
Question #4
A False
B True
Question #5
A False
B True
Question #6
A True
B False
Question #7
A Treppe
B Motor unit recruitment
C Frappe
D Wave summation
Question #8
A False
B True
Question #9
A True
B False
Question #10
A Fatigue
B Wave summation
C Skeletal muscle tone (or tonus)
D The latent period
Question #11
A Contractile stimulus voltage
B Motor unit voltage
C Maximal voltage
D Latent voltage
Question #12
A Maximal voltage
B Latent voltage
C Threshold voltage
D Motor unit voltage
Question #13
A Activation of cross bridge cycling because of increased intracellular calcium levels
B Detachment of the tendons from the bones in the body
C Moving the muscle on its support stand
D Stretching the muscle before applying the stimulus voltage
Question #14
A Decrease in the number of active muscle fibers to increase the simplicity of the force development in a muscle
B Increase in the number of active muscle fibers to increase the force developed in a muscle
C Decrease in the number of active muscle fibers to decrease the force developed in a muscle
D Increase in the number of active muscle fibers to decrease the work a muscle must perform
Question #15
A Cytosol
B Sarcomere
C Myofibril
D Sarcoplasmic reticulum
Question #16
A Interneurons
B Symphathetic neurons
C Parasympathetic neurons
D Motor neurons
Question #17
A The latent period: the time from peak tension until the end of the muscle contraction
B The relaxation phase: the time between electrical stimuli
C The contraction phase: the time between an action potential in a muscle cell and the start of muscle tension
D The contraction phase: the time between the end of the latent period and peak muscle tension
Question #18
A Multiple contractile responses to a train of action potentials
B One contractile response to a single action potential
C One contractile response to a train of action potentials
D Multiple contractile responses to a single action potential
Question #19
A Contraction
B Latent period
C Hyperpolarization
D Relaxation
Question #20
A IPSP (inhibitory postsynaptic potential)
B EPSP (excitatory postsynaptic potential)
C EPP (end-plate potential)
D Threshold potential
Question #21
A Sarcomere
B Skeletal muscle, such as the biceps or the triceps
C Myosin fiber
D Skeletal muscle cell
Question #22
A Glycine
B Norepinephrine
C Acetylcholine
D Glutamate
Question #23
A Neuromuscular junction
B Pre-synaptic nerve terminal
C Excitatory synaspe
D Inhibitory synapse
Question #24
A One motor neuron that innervates several skeletal muscles
B All of the motor neurons that innervate on skeletal muscle
C One motor neuron and all of the skeletal muscle fibers it innervates
D All of the activated muscle fibers within one skeletal muscle
Question #25
A Myofilaments
B Fibers
C Myofibrils
D Sarcomeres
Question #26
A Tendons
B Ligaments
C Motor axons
D Joints
Question #27
A One at a time
B In packets
Question #28
A Neurotransmitter moves freely throughout the axon terminal
B Bound to mitochondria
C Bound to Ca2+ channels
D Contained in synaptic vessicles
Question #29
A True
B False
Question #30
A K+
B Ca2+
C Na+
D Both Na+ and K+
Question #31
A The postsynaptic membrane of the target cell
B Voltage-gated neurotransmitter channels
C Muscle contraction
D Exocytosis
Question #32
A Nucleus
B Cell body
C Axon terminal
D myelin sheath
Question #33
A Neither touch nor pain would be perceived
B Your toe touching something
C Pain
D Both touch and pain would be perceived at the same time
Question #34
A Type B fibers
B Type A fibers
C The conduction velocity is the same for all three fibers
D Type C fibers
Question #35
A The conduction velocity is the same for all three types of fibers
B B type fibers
C C type fibers
D A type fibers
Question #36
A Large diameter and heavily myelinated
B Medium diameter and lightly myelinated
C Small diameter and unmyelinated
Question #37
A Large diameter and heavily myelinated
B Small diameter and unmyelinated
C Medium diameter and lightly myelinated
Question #38
A Neither the diameter of the axon nor the amount of myelination
B Both the diameter of the axon and the amount of myelination
C The amount of myelination
D The diameter of the axon
Question #39
A Millivolts
B Seconds
C meters per second
D Volts
Question #40
A Pressure-sensitive
B Temperature-sensitive
C Voltage-gated
D Odor-sensitive
Question #41
A True
B False
Question #42
A False
B True
Question #43
A The Na+ channel no longer allows Na+ ions to pass through it
B The Na+ channel opens when the membrane reaches threshold
C The Na+ channel allows K+ ions to diffuse into the cell
D The Na+ channel allows Na+ ions to diffuse out of the cell
Question #44
A Tetrodotoxin (TTX) alters the resting membrane potential of all neurons in the lips
B Action potentials from sensory neurons in the lips are blocked.
C Puffer fish do not taste good
D There are no neurons in the lips
Question #45
A False
B True
Question #46
A Na+ ions to diffuse out of the cell
B Na+ ions to diffuse into the cell
C K+ ions to diffuse into the cell
D K+ ions to diffuse out of the cell
Question #47
A When the membrane is at the resting membrane potential
B When lidocaine is applied to the membrane
C When tetrodotoxin (TTX) is applied to the membrane
D When the membrane depolarizes
Question #48
A 5 mM
B 0 mM
C 150 mM
D 15 mM
Question #49
A 5 mM
B 15 mM
C 150 mM
D 0 mM
Question #50
A 150 mM
B 5 mM
C 0 mM
D 15 mM
Question #51
A 150 mM
B 5 mM
C 15 mM
D 0 mM
Question #52
A Too small to pass
B Able to move down a concentration gradient
C Lipid insoluble
D Lipid soluble
Question #53
A 2 ; 2
B 3 ; 3
C 2 ; 3
D 3 ; 2
Question #54
A Isoporter
B Symporter
C Antiporter
D Uniporter
Question #55
A Requires energy
B Is down a concentration gradient
C Is against the concentration gradient
D Requires energy and is against the concentration gradient
E Requires diffusion
Question #56
A Block
B Stop
C Increase the rate of
D Decrease the rate of
Question #57
A True
B False
Question #58
A The muscles
B The ovaries
C The Kidneys
D The skin
Question #59
A Concentration gradient
B Kinetic energy gradient
C Hydrostatic pressure gradient
D Osmotic pressure gradient
Question #60
A Is active
B Is active and requires ATP
C Requires ATP
D Is passive
Question #61
A Toward solutes
B Against its concentration gradient
C By utilizing ATP
D Away from solutes
Question #62
A Isotonic solution
B Hypertonic solution
C Hypotonic solution
Question #63
A The pore size of the membrane proteins
B The concentration of permeable solutes
C The rate of diffusion
D The concentration of impermeable solutes
Question #64
A The cells burst
B The cells swell
C The cells shrink
D Water enters the cells
Question #65
A Movement is against the concentration gradient of water
B It is a type of diffusion
C It requires energy
D It refers to the movement of solutes
Question #66
A Inhibited
B Satiated
C Saturated
D Selected
Question #67
A Making the concentration gradient steeper
B Adding ATP
C Changing the direction of diffusion
D Making the concentration gradient flatter
Question #68
A Increasing the concentration of glucose
B Adding sodium chloride
C Increasing the number of glucose membrane carrier proteins
D Increasing the concentration of glucose and increasing the number of glucose membrane carrier proteins
Question #69
A The number of membrane carriers
B Steepness or size of the concentration gradient
C The concentration of solutes
D The amount of intracellular ATP
Question #70
A Movement is passive and down a concentration gradient
B Movement is passive and against a concentration gradient
C Movement is active and down a concentration gradient
D Movement is active and against a concentration gradient
Question #71
A They are lipid insoluble
B They are lipid soluble
C They are too large
D They are lipid insoluble or too large
Question #72
A Saturation
B Equilibrium
C Maturation
D Concentration
Question #73
A Albumin and Urea
B Glucose and Urea
C Albumin
D Urea
E Glucose and Albumin
F Glucose
Question #74
A Slower
B Faster
Question #75
A Make no change to the rate of diffusion
B Decrease the rate of diffusion
C Increase the rate of diffusion
Question #76
A 50 MWCO
B 100 MWCO
C 200 MWCO
D 20 MWCO
Question #77
A Against a concentration gradient
B From high concentration to low concentration
C From either high or low concentration
D From low concentration to high concentration
Question #78
A ATP
B The kinetic energy of the molecules in motion
C The membrane transport protein
D The plasma membrane