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 pressure
C flow
D viscosity
Question #2
A controlling blood vessel radius
B increasing temperature
C stimulation by growth hormone
D decreasing calcium concentration
Question #3
A increase in blood viscosity
B increase in blood vessel length
C vasoconstriction
D vasodilation
Question #4
A lumen
B laminar flow
C valve
D tunic
Question #5
A increase blood flow
B no change in blood flow
C decrease blood flow
Question #6
A tetani
B relative refractory period
C wave summation
D absolute refractory period
Question #7
A reduce force of heart contractility
B increase force of heart contractility
C no change in force of heart contractility
Question #8
A AV node
B purkinje fibers
C AV bundle
D sinoatrial node
Question #9
A no change in his heart rate
B increase his heart rate
C reduce his heart rate
Question #10
A increase heart rate
B decrease heart rate
Question #11
A decreased insulin sensitivity by cells
B low levels of insulin produced by the pancreas
C normal levels of insulin from the pancreas
D increased growth hormone production
Question #12
A adenocarcinoma
B pheochromocytoma
C basal cell carcinoma
D adenohypophysis
E goiter
Question #13
A it would cause no change
B it would decrease TSH
C it would increase TSH
Question #14
A Giving the rat exogenous thyroid releasing hormone
B Giving the rat exogenous growth hormone
C Giving the rat exogenous thyroid stimulating hormone
D Giving the rat exogenous thyroxine
Question #15
A Giving the rat exogenous growth hormone
B Giving the rat exogenous calcitonin
C Giving the rat exogenous aldosterone
D Giving the rat exogenous thyroid releasing hormone
Question #16
A inhibits the production of thyroxine
B stimulates the release of prolactin by pituitary gland
C stimulates ovarian follicle growth
D stimulates release of aldosterone by pituitary gland
Question #17
A inhibits the production of thyroid releasing hormone
B it stimulates the production of thyroid stimulating hormone
C inhibits the production of thyroxine
D it stimulates more production of thyroxine
Question #18
A heart rate
B blood pressure
C T score
D thermodynamics
Question #19
A fused tetanus
B unfused tetanus
C muscle twitch
D temporal summation
Question #20
A incomplete tetanus
B complete tetanus
C muscle twitch
D muscle tone
Question #21
A stimulus threshold
B wave summation
C muscle tone
D muscle relaxation
Question #22
A the muscle fibers it innervates
B the spinal cord and the muscle fibers it innervates
C a motor neuron
D a sympathetic neuron
E a motor neuron and all the muscle fibers it innervates
Question #23
A the muscle burned
B maximum muscle tension stayed the same
C the muscle tension continued to increase exponentially
D muscle tension dropped back down to resting muscle tension
Question #24
A the smallest stimulus required to fused tetani
B the smallest stimulus required for a muscle to reach maximum muscle tension
C the highest stimulus required to reach unfused tetani
D smallest stimulus required to induce an action potential on a muscle fiber’s sarcolemma
Question #25
A acetylcholinesterase
B epinephrine
C acetylcholine
D serotonin
E norepinephrine
Question #26
A inhibition period
B absolute refractory period
C relative refractory period
D tetanus
Question #27
A smaller axon diameter
B larger axon diameter
Question #28
A extracelluarly
B intracellularly
C extracellular = intracellular concentrations
Question #29
A influx of potassium ions into the neuron
B influx of sodium ions into the neuron
C efflux of sodium ion out of the neuron
D efflux of potassium ion out of the neuron
Question #30
A unmyelinated axons
B myelinated axons
Question #31
A synaptic cleft
B axon hillock
C nodes of Ranvier
D axon terminal
Question #32
A calcium
B potassium
C zinc
D sodium
Question #33
A Dye D which has a molecular weight of 354.7 g/mol
B Dye B which has a molecular weight of 32.9 g/mol
C Dye C which has a molecular weight of 137.8 g/mol
D Dye A which has a molecular weight of 24.5 g/mol
Question #34
A osmolarity
B osmosis
C equilibrium
D saturation
Question #35
A a solution with a lower 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 higher 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; low; high
B water; low; high
C solute; high; low
D water; high; low
Question #38
A increased the temperature of our solution
B no change in rate of diffusion
C decreased the rate of diffusion
D increased the rate of diffusion
Question #39
A positive result
B negative result
Question #40
A increased amylase activity
B No answer text provided.
C no change in amylase activity
D reduced amylase activity
Question #41
A raising the temperature of a molecule
B causing water to dissociate
C freezing the substrate that binds to that enzyme
D lowering the activation energy required for a chemical reaction
Question #42
A amino acids
B protein
C starch
D maltose
E lipids
Question #43
A triglycerides
B lipids
C monosaccharides
D nucleic acids
E amino acids
Question #44
A protein
B lipids
C glucose
D starch
E nucleic acids
Question #45
A DNA
B protein
C starch
D lipids
E potassium permanganate
Question #46
A light blue
B red
C blue-black
D pink