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level: PRACTICE TEST

Questions and Answers List

level questions: PRACTICE TEST

QuestionAnswer
Hydrochloric acid1. What kind of acid does your stomach make? (2 pts)
"Duodenum, jejunum, ileum, ascending colon, transverse colon, descending colon, sigmoid colon.2. Please arrange the following in the order in which food would pass through them: ascending colon, jejunum, descending colon, duodenum, sigmoid colon, ileum, transverse colon.
Ascending, transverse, descending, & sigmoid colons3. Please name all of the parts in the previous question that comprise the large intestine.
Stomach4. Does your esophagus lead to your stomach, your lungs, or both your stomach and lungs?
Both5. Does your pharynx lead to your stomach, your lungs, or both your stomach and lungs?
HEPTIC6. What adjective describes things pertaining to the liver? (2 pts)
SEROUS7. Which of these is the outer layer of your alimentary canal? a. mucosa​ b. serous​ c. sub-mucosa​ d. muscularis​
MUCOSA8. Which of these is the inner layer of your alimentary canal? a. mucosa​ b. serous​ c. sub-mucosa​ d. muscularis
PERISTALSIS9. What are the waves of muscle contraction that push food through the digestive tract? a. alimentaries​ b. chyme​ c. peristalsis​​ d. gastrin​ e. reflux
SLOWER10. Does cholecystokinin make your stomach churn faster or slower?
ACTIVE11. Is pepsin the active or inactive form of the enzyme?
ACID12. What converts the inactive form of the enzyme in the previous question into the active form? a. acid​ b. food ​c. oxygen ​d. water​ e. CCK
Abnormal passage between 2 organs or between organ and outside13. What is a fistula? (2 pts)
Pancreas14. Which of these produces bicarbonate? a. pancreas​ b. liver ​​c. small intestine​ d. gall bladder​ e. stomach
Neutralize acids15. What is the function of bicarbonate? a. digest fat​ b. digest proteins ​c. neutralize acids​ d. neutralize enzymes
Liver16. Which of these produces bile? a. pancreas​ b. liver ​​c. small intestine​ d. gall bladder​ e. stomach
gall bladder17. Which of these stores bile as its primary function? a. pancreas​ b. liver​​ c. small intestine​ d. gall bladder​ e. stomach
digest fat​18. What is the function of bile? a. digest fat​ b. digest proteins​ c. neutralize acids​ d. neutraliz e. enzymes
cholesterol​​19. What is bile made from? a. acid ​b. fat​ c. cholesterol​​ d. protein​ e. CCK​ f. food
Mix of food and digestive juice20. What is chyme? (2 pts)​​​​​​​​​/31
voluntary21. Does your somatic nervous system cover voluntary responses,involuntary responses or both?
slows it down22. Does your parasympathetic nervous system speed up your heart or slow it down?
To the brain24. Do afferent neurons send information to the brain or take it away?
ependymal cells25. Which one of these helps circulate cerebro-spinal fluid? a. Schwann cell​ b. ependymal cells​​ c. microglia​​ d. astrocytes
schwann cell26. Which one of these helps create myelin sheaths? a. Schwann cell​ b. ependymal cells​​ c. microglia​​ d. astrocytes
astrocytes27. Which one of these helps to physically support neurons? a. Schwann cell​ b. ependymal cells​​ c. microglia​​ d. astrocytes
microglia28. Which one of these acts as a phagocyte? a. Schwann cell​ b. ependymal cells​​ c. microglia ​​d. astrocytes
acts as an electrical insulator29. What is the function of myelin? (2 pts)
MS multiple sclerorsis30. Which of these diseases is caused by damage to myelin? a. multiple sclerosis (MS) ​b. Parkinson’s disease ​c. epilepsy ​d. cystic fibrosis (CF)
voltage-gated31. What kind of ion channel opens when a neuron’s membrane potential changes from the resting potential to threshold? a. ungated​​ b. voltage-gated​ c. mechanically-gated ​d. chemically-gated
ungated32. Which kind of ion channel is always open? a. ungated​​ b. voltage-gated​ c. mechanically-gated​ d. chemically-gated
inside33. In a neuron at rest, is K+ more common inside the cell, outside the cell, or is it impossible to tell?
-70mV34. What is the resting potential of a neuron? a. +30 mV​​ b. 0 mV ​c. -55 mV ​d. -70 mV​ e. -90 Mv
-55mV35. What is the threshold potential of a neuron? a. +30 mV ​​b. 0 mV ​c. -55 mV​ d. -70 mV​ e. -90 mV
inside36. If a neuron has a membrane potential of -80 mV, is it more negative inside the cell or outside?
less likely37. Is a neuron with a membrane potential of -80 mV more likely to fire or less likely to fire than a neuron at rest?
hyperpolarized38. If a neuron has a membrane potential of -80 mV, is it depolarized or hyperpolarized compared to a neuron at rest?
inhibited39. If a neuron has a membrane potential of -80 mV, is it inhibited or excited compared to a neuron at rest?
depolarization phase40. Which comes first in an action potential, the repolarization phase or the depolarization phase?
voltage-gated K+ channels41. Which of these opens at the start of the repolarization phase? a. voltage-gated Na+ channels​​ b. voltage-gated K+ channels c. voltage-gated Ca2+ channels​​ d. chemically-gated Na+channels ​​e. chemically-gated K+channels f. chemically-gated Ca2+channels
voltage-gated Na+ channnels42. Which of these opens at the start of the depolarization phase? a. voltage-gated Na+ channels​​ b. voltage-gated K+ channels​​ c. voltage-gated Ca2+ channels​​ d. chemically-gated Na+channels e. chemically-gated K+channels f. chemically-gated Ca2+channels
no43. Can you get an action potential during the absolute refractory period?
synapse44. What is the gap between neurons? a. node of Ranvier​​ b. ion channel ​c. synapse​ d. refractory space
Ca2+45. Which ion enters a neuron to cause the release of neurotransmitters? a. Ca2+​ b. Cl2+​​ c. Na+​​ d. K+
no46. Would you expect unmyelinated neurons to do saltatory conduction?
faster with myelin47. Do action potentials move faster down a neuron with or without myelin?
less likely48. Would an inhibitory neurotransmitter make a neuron more likely to fire or less likely?
hyperpolarize49. Would you expect an inhibitory neurotransmitter to hyperpolarize or depolarize a neuron?
diffusion uptake reuptake enzymatic destruction50. Please name one way of clearing away neurotransmitters from between neurons. (2 pts)
norepinephrine51. Which one of these neurotransmitters is primarily associated with your fight-or-flight response? a. acetyl choline (ACh)​ b. dopamine​​​ c. endorphins​ d. norepinephrine e. GABA​​ f. nitric oxide (NO)​ g.serotonin h. substance P
acetyl choline52. Which one of these neurotransmitters is released on to muscles to start muscle contraction? a. acetyl choline (ACh) b. dopamine c. endorphins ​​​d. norepinephrine ​e. GABA ​f. nitric oxide (NO) ​​g. serotonin ​h. substance P
nitric oxide (NO)53. Which one of these neurotransmitters is primarily associated with dilating blood vessels? a. acetyl choline (ACh)​ b. dopamine​​​ c. endorphins d. norepinephrine ​e. GABA f. nitric oxide (NO)​ ​​g. serotonin h. substance P
SUBSTANCE P54. Which one of these neurotransmitters is primarily associated with causing pain? a. acetyl choline (ACh)​ b. dopamine​​​ c. endorphins​ d. norepinephrine​ e. GABA f. nitric oxide (NO)​ ​​g. serotonin h. substance P
ENDORPHINS55. Which one of these neurotransmitters is primarily associated with pain relief? a. acetyl choline (ACh) b. dopamine​​​ c. endorphins​ d. norepinephrine​ e. GABA​​ f. nitric oxide (NO) g. serotonin ​h. substance P
SEROTONIN56. Which one of these neurotransmitters is associated with functions including mood, appetite, sleep, and libido? a. acetyl choline (ACh)​ b. dopamine c. endorphins​ ​​​d. norepinephrine​ e. GABA f. nitric oxide (NO) ​​g. serotonin h. substance P
GABA57. Which one of these neurotransmitters is a general nervous system inhibitor? a. acetyl choline (ACh)​ b. dopamine​​​ c. endorphins​ d. norepinephrine​ e. GABA​​ f. nitric oxide g. serotonin h. substance P
MORE EFFECTIVE58. Do agonists make neurotransmitters more effective or less effective?
NICOTINE59. Nicotinic cholinergic receptors respond to acetyl choline and to what other substance? /43
HCO3-60. What is the chemical formula for bicarbonate? a. H2CO3​ b. HCO3- ​c. H+ ​d. CO2
FALL61. If you remove H+ from your blood, would you expect carbonic acid levels to rise or fall?
LESS62. If you remove H+ from your blood, would you expect to exhale more CO2 or less CO2?
KEEPS pH stable63. In general, what is the job of the pH buffer system in your blood? (2 pts)
acidosis64. If your breathing is inhibited, would you expect to get acidosis or alkalosis?​​​/6
millimeters of mercury65. What does mmHg stand for? (2 pts)
lungs66. Does your trachea lead to your stomach, your lungs or both?
Both67. Does your pharynx lead to your stomach, your lungs or both?
nasal68. Which of these bones does NOT contain one of the sinuses found in your skull? a. ethmoid​​ b. nasal​ c. maxilla​ d. frontal
pneumothorax69. Which of these is a collapsed lung? a. pneumothorax​ b. bends ​c. emphysema ​d. consolidation
emphsema70. Which of these comes from the loss of alveoli? a. pneumothorax​ b. bends ​c. emphysema​ d. consolidation
consolidation71. Which of these is fluid filling your alveoli? a. pneumothorax​ b. bends ​c. emphysema​ d. consolidation
bronchus72. Which of these is a tube running between your trachea and a lung? a. aspergillus​​ b. bronchus​ c. alveoli​ d. larynx
chemicals that weaken hydrogen bonds73. Which of these best describes surfactants? a. chemicals that interfere with O2 absorption​​ b. chemicals that interfere with removal of CO2 c. chemicals that weaken hydrogen bonds​​ d. chemicals that strengthen H bonds e. chemicals that help coat a surface f. chemicals that stop surface coating
whats left after an extra deep exhalation74. What is your residual volume? a. normal breath​​ b. extra deep inhalation c. extra deep exhalation d. what’s left after an extra deep exhalation
extra deep exhalation75. What is your expiratory reserve? a. normal breath​​ b. extra deep inhalation​ c. extra deep exhalation d. what’s left after an extra deep exhalation
As the Volume of a container goes up, air pressure goes down76. Which of these best describes Boyle’s Law? a. As the volume of a container goes up, air pressure goes down b. As the volume of a container goes up, air pressure goes up c. As air pressure goes down, the amount of O2 dissolved in your blood goes up. d. As air pressure goes down, the amount of O2 dissolved in your blood goes down. e. As the volume of O2 goes up, O2 levels in the blood go down f. As the volume of O2 goes up, O2 levels in the blood go up
alveoli77. Which of these is where the majority of gas exchange occurs in the lungs? a. larynx​ b. pharynx​ c. bronchus d. bronchioles ​​e. alveoli f. esophagus
hemoglobin78. What molecule carries most of the oxygen in red blood cells? (2 pts)
Fe79. Which of these elements help the molecule from the previous question carry oxygen? a. Fe ​​b. Cu ​​c. Ca​​ d. H+​​ e. Na+​​ f. K+
inhaling food particles80. How do you get aspirational pneumonia? a. Inhaling food particles​​ b. Viral and/or bacterial infection​ c. inhaling irritating chemicals d. loss of surface tensions shrinking alveoli
yes81. Is CO2 carried in red blood cells?
larynx82. Which of these is your voicebox? a. bronchus ​b. bronchioles ​c. larynx​ d. esophagus ​e. alveoli ​f. pharynx
hydrogen bonds83. Which of these creates cohesion and adhesion of water molecules in your lungs? a. O2 ​​b. CO2​​ c. hydrogen bonds​ d. Henry’s Law
exhale84. Do cohesion and adhesion of water molecules help you inhale, exhale or both?
increase85. Do low levels of CO2 increase or decrease the O2 saturation of blood?
100F86. Would you expect blood to give up more O2 if it was moving through tissue that was 99°F or 100°F?
687. Would you expect blood to give up more O2 if it was moving through tissue with a pH of 6 or a pH of 7?