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