AP Notes, Outlines, Study Guides, Vocabulary, Practice Exams and more!

Vitamin B 12 Deficiency Flashcards

Terms : Hide Images
3272883604anemia is defined as an abnormally low number of circulating ____ or low concentration of ____. this results in diminished oxygen carrying capacity of the blood.RBC hemoglobin0
3272685002what does B 12 make?RBC1
3272887417vitamin b 12 is essential for the synthesis of ___DNA2
3272740391what type of anemia is vitamin b 12 deficiency?macrocytic and hypochromic3
3272687240Vitamin B 12 deficency is an anemia which means you do not have enough RBC. What does this cause?pt will feel weak and tired4
3272689240deficient amounts of vitamin B 12 will cause ____ and _____ _____ injuryanemia nervous system5
3272690245what can vitamin B 12 trigger?pernicious anemia6
3272691667Name 3 chief complaints of a pt with vitamin B 12 deficiencyproblems talking and concentrating memory issues numbness in legs and trouble walking7
3272693821what is the history and present illness of a patient with vitamin b12 deficiency?-pallor and fatigue -difficulty concentrating and short term memory loss -bilateral lower extremity numbness -gait problems -tingling in hands and feet -peripheral neuropathy8
3272701545difficulty with gait shows that there could be a problem with the ____cerebellum9
3272792748do patients with vitamin b 12 deficiency typically have a problem with their cerebellum?NO cerebellar problems is a differential diagnosis10
3272703572Cerebellar symptoms show that the vitamin B 12 deficiency has progressed. How does the disease progress?from peripheral to inward11
3272706217patient was an alcoholic and a drug abuser. alcohol can cause the stomach lining to become aggregated. What can this cause?decrease in vitamin b 12 absorption and folic acid absorption12
3272711847Patients mother developed bacterial thyroiditis. Is bacterial thyroiditis a risk factor for vitamin B 12 deficiency?YES13
3272713582excessive alcohol and ____ use is a risk factorcocaine14
3272714745long history of ____ _____ is a risk factor. patient is not taking in enough vitamin b 12poor nutrition15
3272716422Patients who are vegetarians and vegans lack what?higher risk for lacking vitamin b 12 and folic acid16
3272717591meat supplies you with what?vitamin b 1217
3272717592vegetables supply you with what?folic acid18
3272720451what can be an initial sign of a patient with vitamin b 12 deficiency?burning tongue (atrophic gloittis)19
3272723233if your stomach lining is destroyed you may not be able to absorb ____ ____ which leads to malabsorption of it b 12intrinsic factor20
3272725761what drug suppresses the production of stomach acid which will lead to the malabsorption of vit b 12?OTC famotidine (treats heartburn)21
3272727582patient who has a vitamin b 12 deficiency can present with-malnourished -cognitive impairments -restless22
3272730066patients BMI will most likely be ______. why?underweight pt will typically be malnourished23
3272732330pt's vital signs show a wide pulse pressure. What is this indicitive of?-anemia -thyrotoxicosis24
3272733588what can a widened pulse pressure eventually cause?heart murmur25
3272736731what will the patients skin look like?pale with slight jaundice. patient is pale b/c they are deficient in RBC26
3272745247what do the patients eyes present with? ___ ___sclera icterus27
3272746531what is sclera icterus and what is it indicitive of?jaudice in the eyes billiruben has crossed the BBB28
3272749938what will the patients tongue look like?beefy red tongue with glossitis. tongue will burn29
3272752174_____ of the mucous membranes. This is because of decreased RBCpallor30
3272772037*why is there significant discomfort in the neck?*spread to the spinal cord?31
3272773777why is the systolic border best heard at the right sternal border?because the Hct is less than 20%32
3272774541why is there a murmur present?increased pumping b/c of anemia33
3272775181what else can cause the murmur?cocaine. major affect of cocaine is vasoconstriction. this can cause angia and vasoconstriction of the brain34
3272778270pts mental status will showslow response time. mild loss of mental status35
3272780927why is there a mild loss of mental status?damage to the myelin sheath36
3272841492vitamin b 12 plays an important role in developing the ____ _____myelin sheath37
3272780928what five areas does the mental status test for?orientation, registration, attention, calculation, recall/language38
3272782448motor exam shows _____ resultsmild results. 4/539
3272783624why are there absent reflexes of the ankles?disease of the spinal cord. there is damage to the myelin sheath40
3272784603damage to the spinal cord and myelin sheath will cause what?paraesthisia to the distal extremities41
3272787173will the patient have a positive babinski?YES42
3272789535*because of the damage to the myelin sheath the sensory and motor pathways are messed up because of the damage to the spinal cord*ANSWER TO ALL THINGS43
3272790532what does the romberg test, test for?proprioreception44
3272796119pt will present with: -numb feet -slapping, pins and needles -foot drop -nerve damage -sensory loss45
3272797238LAB STUDIES-Hb LOW -Hct LOW -RBC LOW -platelets LOW -WBC LOW -Reticulocytes LOW -MCV HIGH -MCH HIGH -Vit B 12 LOW -Folic Acid LOW -T billiruben HIGH -Billiruben indirect HIGH -Alb LOW -T protein LOW -LDL HIGH -MMA HIGH -homocystine HIGH46
3272805398Why is the Hb and Hct low?poor nutrition and alcohol abuse cannot absorb the vitamin b 12 based off of the serum antibodies47
3272809074The reticulocytes are low because not enough RBC being _____. what does this mean?produced Aplastic Anemia48
3272809965MCV is high which indicatesMacrocytic anemia49
3272810826MCH is high which meansMacrocytic blood vessels that have a higher concentration of hemoglobin on each RBC50
3272812473why is the billiruben high?b/c of the break down of hemoglobin51
3272816001your body produces billiruben when it breaks down ____. Macrocytic cells have increased hemoglobin so when they break down the billiruben levels increase.hemoglobin52
3272817961Albumin is made in the ____liver53
3272817962the albumin is low because-poor nutriton -decreased stomach function54
3272819992LDL is high is this related to the vitamin b 12 deficiency?No, poor lifestyle habits55
3272820726What is MMAMethylmalonic Acid -specific test for vitamin b 1256
3272822786RBC are an abnormal sizeanisocytosis57
3272823157RBC are an abnormal shapepoikliocytosis58
3272826764____ ____ are indicitive of megablastic anemia of either vitamin b 12 deficency or folic acid deficiency. In megablastic anemia you have 6-8 lobeshypersegmented neutrophils59
3272828414pertinent negative that the serum antibodies showed ____ ____ and ____ ___intrinsic factor parietal cells60
3272830076without ___ ___ vitamin b 12 cannot be absorbedintrinsic factor61
3272830634vitamin b 12 deficiency can cause ____ _____perncious anemia62
3272834288the patient was negative for antibodies meaning he has intrinsic factor. Does this mean that the patient has pernicious anemia?NOOOOO63
3272836152If the patient is positive for intrinsic factor and parietal cells does this mean that the patient has pernicious anemia?YES64
3272843263ID 3 major risk factors that contributed to vitamin b 12 deficiency in this patient-alcohol -poor nutrition -mom having hypothyroid65
3272845528name 8 symptoms that are consistent with the diagnosis of vitamin b 12 deficiency- difficulty concentratining -difficulty expressing -problems with memory -numbness in the periphery -trouble walking -unsteady in the dark -shooting pain in the neck (damage to myelin sheath) -poor nutrition -fatigue66
3272849019ID 15 objective signs that correlate with the diagnosis of vitamin b 12 deficiency- response time slow -pallor -mild jaundice -glossitis -diminshed sensations -slap foot - 4/5 on motor exam -positive babinski -absent ankle reflex -no temperature sensation -diminished pin prick sensation - loss of vibration - cannot stand with eyes closed (romberg test)67
3272853166ID lab findings correlating with vitamin b 12 deficiency- Low hg, hit, platelets, rbc, wbc, reticulocytes, vitamin b 12, folic acid -high MCV, MCH, billiruben indirect68
3272856686is the patients renal function normal or abnormal?normal because patients Bun and creatitin were normal69
3272857606is the patients hepatic function normal?abnormal because of high billiruben and low albumin70
3272859438is the patients lipid panel normal?no, HIGH LDL71
3272860308does this patient have pernicious anemia?no because he has negative ID and parietal cell antibodies72
3272862234what type of anemia does this patient have? -megaloblastic anemia -neurological abnormalities -none of the abovemegablastic anemia73
3272865622medical term for "severe neck pain shooting down the back into the arms" _____ _____. what does this indicate?cervical reticulopathy severe damage to the myelin sheath affecting the neck and the spinal cord74
3272869830why does this patient has a slap foot?because of weakness and paralysis of the extremities due to the loss of the myelin sheath75
3272871731why is the significance of the romberg test in this patient?tests the patients proprioreception, shows the patient has ataxia76
3272873942need to differentiate vitamin b 12 deficiency from what?folic acid deficiency77
3272875389how do you treat this patient?-IM vitamin b 12 injections and potassium -rehab for drug/alcohol abuse78
3272894982READING79
3272895637prevalence of vitamin b 12 deficiency increase with ____ and _____age use of gastric acid blocking agents80
3272897830human body stores _____ years worth of vitamin b 12. Symptoms of a deficiency will manifest in 3 years3-5 years81
3272898542infants and children show symptoms more ___rapidly82
3272901698-anorexia with weight loss -burning or soreness of the tongue with changes in taste -N/V -neurological symptoms -paraesthisa -symptoms can mimic Alzhemiers -psychotic manifestations -spinal cord damagesymptoms associated with vit b 12 deficiency83
3272907487-strict vegetarian diet -chronic alcoholismdietary insufficiency of vitamin b 1284
3272910042-surgical removal of stomach -chronic gastritis -use of histamine 2 blocking drugs or PPI -chronic pancreatitisinsufficent stomach acid or pancreatic enzymes to serape b 12 from ingested animal proteins or b12 binding proteins85
3272914222-IF deficiency (pernicious anemia) -removal of terminal ileum -chrons -celiac -lakefish tapeworms -medications such as: cholestyramine, neomycin, metoformin, phenoformin, chlorineimpaired absorption of vitamin b 1286
3272916214cognetial deficiency of plasma protein carrier transcoblamin IIabnormality in the plasma transport of vitamin b 1287
3272918249*absence of intrinsic factor is the most common cause of vitamin b 12 deficiency in the US*88
3272921074major risk factors of vit b 12 deficiency- positive FH of pernicious anemia -scandinavian or celtic descent -neuroendocrine disease, type 1 diabetes, addison disease, graves disease, hasimotis thyroiditis89
3272927272"any process that impairs the ingestion, separation, absorption, plasma transport or transfer into cells of B12 may result in the clinical manifestation of a bit b12 deficiency*90
3272932394_____ _____ is characterized by an infiltration of lymphocytes within the walls of the stomach that is associated with degeneration of parietal cells and their replacement of goblet cells. This is known as intestinal metaplasiaperncious anemia91
3272936852bone marrow biopsy will show: -marked red blood cell hypercellularity -megaloblastic in red and white blood cell lines92
3272937406+ intrinsic factor and parietal cells indicatePERNCIOUS ANEMIA93
3272938455lymphocytes will appear in the walls of the ____ in pernicious anemiastomach94
3272943281what are reticulocytes?immature blood cell without a nucleus95
3272944799why is it reasonable to test the serum folic acid concentration in a patient who is suspected of having it b 12 deficiencypresent with similar lab findings need to differentiate96
3272961905what is alchlorhydira?production of hydrochloric acid in gastric secretions is low in the stomach97
3272963953why is achyloridia reasonable to find in patients with pernicious anemia?because there is a commonly problems with the stomach lining in patients because of improper neutrition and alcohol98
3272967508If the father of an unborn child has a single defective gene/mutation for transcobalamin II deficiency and the mother has two normal genes, what is the probability that their unborn child will be transcobalamin II deficient?99
3272968141If both the father and mother of an unborn child each have a single defective gene/mutation for transcobalamin II deficiency, what is the proba- bility that their unborn child will be transcobalamin II deficient?100
3272968142Why is it reasonable to find lymphocytes in the walls of the stomach in patients with pernicious anemia?101
3272971712type 1 diabetes mellituslack of serum insulin102
3272971713addison diseasedecrease serum cortisol103
3272972154graves diseaseincrease serum thyroxine104
3272972155hashimotos thyroiditisdecrease serum thyroxine105
3272974419persistent aberrant beliefs or perceptions held invio- lable by a person despite evidence that refutes themdelusion106
3272975765abnormal condition characterized by an elaborate, sus- picious system of thinking that is usually centered on one major theme, such as an unfaithful spouse, being poisoned, or being watched by outer space aliensparanoia107
3272976201abnormal sensory perceptions that can occur in any of the senses, do not result from an external stimulus, and occur in the waking statehallucinations108
3272779189why is there a mild loss of mental status?damage to the myelin sheath109

Need Help?

We hope your visit has been a productive one. If you're having any problems, or would like to give some feedback, we'd love to hear from you.

For general help, questions, and suggestions, try our dedicated support forums.

If you need to contact the Course-Notes.Org web experience team, please use our contact form.

Need Notes?

While we strive to provide the most comprehensive notes for as many high school textbooks as possible, there are certainly going to be some that we miss. Drop us a note and let us know which textbooks you need. Be sure to include which edition of the textbook you are using! If we see enough demand, we'll do whatever we can to get those notes up on the site for you!