Navigation » List of Schools » East Los Angeles College » Physiology » Physiology 001 – Introduction to Human Physiology » Winter 2021 » Lab Exam 1
Below are the questions for the exam with the choices of answers:
Question #1
A radius
B flow
C viscosity
D pressure
Question #2
A stimulation by growth hormone
B decreasing calcium concentration
C controlling blood vessel radius
D increasing temperature
Question #3
A vasodilation
B increase in blood vessel length
C increase in blood viscosity
D vasoconstriction
Question #4
A tunic
B valve
C lumen
D laminar flow
Question #5
A no change in blood flow
B increase blood flow
C decrease blood flow
Question #6
A absolute refractory period
B tetani
C relative refractory period
D wave summation
Question #7
A increase force of heart contractility
B reduce force of heart contractility
C no change in force of heart contractility
Question #8
A AV bundle
B purkinje fibers
C AV node
D sinoatrial node
Question #9
A reduce his heart rate
B no change in his heart rate
C increase his heart rate
Question #10
A increase heart rate
B decrease heart rate
Question #11
A normal levels of insulin from the pancreas
B increased growth hormone production
C low levels of insulin produced by the pancreas
D decreased insulin sensitivity by cells
Question #12
A basal cell carcinoma
B adenohypophysis
C pheochromocytoma
D adenocarcinoma
E goiter
Question #13
A it would increase TSH
B it would cause no change
C it would decrease TSH
Question #14
A Giving the rat exogenous thyroxine
B Giving the rat exogenous thyroid releasing hormone
C Giving the rat exogenous growth hormone
D Giving the rat exogenous thyroid stimulating hormone
Question #15
A Giving the rat exogenous aldosterone
B Giving the rat exogenous thyroid releasing hormone
C Giving the rat exogenous calcitonin
D Giving the rat exogenous growth hormone
Question #16
A inhibits the production of thyroxine
B stimulates release of aldosterone by pituitary gland
C stimulates the release of prolactin by pituitary gland
D stimulates ovarian follicle growth
Question #17
A it stimulates the production of thyroid stimulating hormone
B it stimulates more production of thyroxine
C inhibits the production of thyroid releasing hormone
D inhibits the production of thyroxine
Question #18
A T score
B blood pressure
C thermodynamics
D heart rate
Question #19
A fused tetanus
B temporal summation
C unfused tetanus
D muscle twitch
Question #20
A muscle tone
B muscle twitch
C complete tetanus
D incomplete tetanus
Question #21
A muscle tone
B stimulus threshold
C wave summation
D muscle relaxation
Question #22
A the muscle fibers it innervates
B a motor neuron and all the muscle fibers it innervates
C a sympathetic neuron
D a motor neuron
E the spinal cord and the muscle fibers it innervates
Question #23
A the muscle tension continued to increase exponentially
B muscle tension dropped back down to resting muscle tension
C maximum muscle tension stayed the same
D the muscle burned
Question #24
A smallest stimulus required to induce an action potential on a muscle fiber’s sarcolemma
B the smallest stimulus required for a muscle to reach maximum muscle tension
C the highest stimulus required to reach unfused tetani
D the smallest stimulus required to fused tetani
Question #25
A norepinephrine
B serotonin
C epinephrine
D acetylcholine
E acetylcholinesterase
Question #26
A absolute refractory period
B tetanus
C inhibition period
D relative refractory period
Question #27
A larger axon diameter
B smaller axon diameter
Question #28
A extracelluarly
B intracellularly
C extracellular = intracellular concentrations
Question #29
A influx of sodium ions into the neuron
B efflux of potassium ion out of the neuron
C influx of potassium ions into the neuron
D efflux of sodium ion out of the neuron
Question #30
A unmyelinated axons
B myelinated axons
Question #31
A synaptic cleft
B axon terminal
C axon hillock
D nodes of Ranvier
Question #32
A sodium
B calcium
C potassium
D zinc
Question #33
A Dye D which has a molecular weight of 354.7 g/mol
B Dye A which has a molecular weight of 24.5 g/mol
C Dye C which has a molecular weight of 137.8 g/mol
D Dye B which has a molecular weight of 32.9 g/mol
Question #34
A osmolarity
B equilibrium
C saturation
D osmosis
Question #35
A a solution with a higher concentration of solutes compared to the intracellular concentration
B a solution with the same concentration of solutes compared to the intracellular concentration
C a solution with a lower concentration of solutes compared to the intracellular concentration
D none of the above
Question #36
A high; low
B low; high
C none of the above
Question #37
A solute; high; low
B solute; low; high
C water; high; low
D water; low; high
Question #38
A decreased the rate of diffusion
B no change in rate of diffusion
C increased the rate of diffusion
D increased the temperature of our solution
Question #39
A negative result
B positive result
Question #40
A increased amylase activity
B reduced amylase activity
C No answer text provided.
D no change in amylase activity
Question #41
A causing water to dissociate
B freezing the substrate that binds to that enzyme
C raising the temperature of a molecule
D lowering the activation energy required for a chemical reaction
Question #42
A maltose
B protein
C amino acids
D starch
E lipids
Question #43
A nucleic acids
B monosaccharides
C lipids
D amino acids
E triglycerides
Question #44
A starch
B nucleic acids
C glucose
D lipids
E protein
Question #45
A potassium permanganate
B DNA
C lipids
D protein
E starch
Question #46
A pink
B red
C light blue
D blue-black