LE 5 Flashcards
What substance is responsible for the color of stool?
A. Stercobilinogen
B. Heme
C. Ferrobilin
D. Fecobilinogen
A. Stercobilinogen
True regarding HBsAg:
A. often persists beyond 6 months
B. disappears completely during symptomatic phase of the disease
C. rarely persists beyond 6 months
D. none of the above are true
C. rarely persists beyond 6 months
What kind of gamma globulins are usually seen in increased amounts in serum during autoimmune hepatitis?
a. IgG
b. IgA
c. IgE
d. IgD
a. IgG
Interpret the following serology result:
HBsAg (+)
Anti HBs (-)
Anti HBc (IgG)
HBeAg (+)
Anti HBe (-)
A. Susceptible
B. Vaccinated
C. Acute HBV infection
D. Chronic HBV infection
D. Chronic HBV infection
Interpret the following serology result:
HBsAg (-)
Anti HBs (-)
Anti HBc (IgM)
HBeAg (-)
Anti HBe (-)
A. Vaccinated
B. Window period
C. Uninfected, susceptible individual
D. NOTA
B. Window period
Which natriuretic peptide is mostly secreted by the ventricles
a. BNP
b. ANP
c. CNP
d. DNP
a. BNP
- Interpret the following serology profile:
HBsAg (+),
Anti-HBs (-),
Anti-HBc IgM (+),
HBeAg (+),
Anti-HBe (-)
A. Susceptible
B. Chronic HBV infection
C. Vaccinated
D. Acute HBV infection
D. Acute HBV infection
- Genome analysis showed no viral mutations. Is this patient infective?
HBsAg (+),
Anti-HBs (-),
Anti-HBc IgG (+),
HBeAg (-),
Anti-HBe (+)
A. Yes
B. No
C. Maybe
B. No
- Which is more specific and sensitive for MI than total Creatine Kinase?
A. CK-BB
B. CK-MM
C. NOTA
D. CK-MB
D. CK-MB
- Which of the following is true regarding CRP?
A. NOTA
B. A level of 2 mg/dl confers a high risk for CVD
C. It is not very specific
D. Lowering CRP levels decreases Cardiovascular risk
A. NOTA
- Referring to AST and ALT as “Liver Function Tests” is a bit of a misnomer. Why?.
A. AST and ALT are actually indicators of hepatocellular coagulation activity
B. NOTA
C. Increased AST and ALT indicate liver injury, so technically it is more appropriate to call it “Liver Damage Tests”
D. AST and ALT are both not exclusive to the liver and can be seen in the muscle.
C. Increased AST and ALT indicate liver injury, so technically it is more appropriate to call it “Liver Damage Tests”
- For diagnosing acutely ill patients presenting to emergency service with shortness of breath, to distinguish HF from lung diseases such as emphysema.
A. Cardiac natriuretic peptide
B. Homocysteine
C. cTnI
D. CK
A. Cardiac natriuretic peptide
- True or False: A normal liver function test 100% means that the patient has no liver injury.
a. True
b. False
b. False
- Approximately how long has it been since this patient was exposed to Hepatitis A?
Fecal HAV (+)
Anti HAV IgM (-)
Anti HAV IgG (-)
A. This patient is vaccinated and uninfected
B. 18-24 weeks
C. 8-10 weeks
D. 2-4 weeks
D. 2-4 weeks
- When did this patient contract Hepatitis B? (assume that the patient is not a carrier)
HBsAg (-),
Anti-HBs (-),
Anti-HBc IgG (+),
HBeAg (-),
Anti-HBe (-)
A. A long time ago
B. This patient is unvaccinated and has not contracted HBV yet
C. This patient is vaccinated and has not contracted HBV yet
D. Very recently (less than 2 weeks after infection)
D. Very recently (less than 2 weeks after infection)
- What can we infer from this lab result?
Anti-HCV (+)
HCV RNA (+)
a. The patient also has a Hepatitis D infection
b. The patient is currently infected with Hepatitis C
c. The patient was infected in the past with Hepatitis C
d. The patient has severe Hepatitis C
b. The patient is currently infected with Hepatitis C
- What do natriuretic peptides do in response to increased blood volume?
a. Lower blood pressure
b. Increase blood pressure
a. Lower blood pressure
- What is considered a function of the liver?
a. Involved in digestion
b. AOTA
c. Storage of coagulation factors
d. Protein synthesis
b. AOTA
- What type of hepatitis virus replicates only in the presence of hepatitis B?
a. Hepatitis D
b. Hepatitis C
c. Hepatitis A
d. Hepatitis E
a. Hepatitis D
- Where specifically does heme breakdown into bilirubin occur?
a. In macrophages as part of the reticuloendothelial system
b. Inside the cytosol of type A hepatocytes
c. In the kidney glomeruli
d. In the entrance of the portal ducts
a. In macrophages as part of the reticuloendothelial system
- What is the most common cause of acute liver injury?
a. Bacteria
b. Radiation
c. Poisoning
d. Virus
d. Virus
- Bile salts are NOT present in urine in normal individuals
a. True
b. False
a. True
- How long does it take for troponin to first appear in the blood?
a. 3-4 hours
b. 10 days
c. 3-4 days
d. 18-24 hours
a. 3-4 hours
- True regarding HBsAg
a. Rarely persists beyond 6 months
b. Often persists beyond 6 months
c. Disappears completely during symptomatic phase of the disease
d. None of the above
a. Rarely persists beyond 6 months
- True regarding anti HBc IgM
a. None of the above
b. Indicates chronic HBV infection
c. All of the above
d. Usually appears last compared to IgG
a. None of the above
- Which of the following may directly or indirectly influence the disease course/prognosis of a hepatitis infection?
a. Antigenic subtype
b. All of the above
c. The predominant subtype that y
b. All of the above
- Which of the following is true regarding troponins?
a. They are structural proteins in the skeletal muscle
b. They are two main cardiac types
c. AOTA
d. Cardiac troponins are mainly bound t
c. AOTA
- During seroconversion of HBeAg to anti HBe, what could happen?
a. NOTA
b. ALT may increase
c. AST may increase a 100x
d. Jaundice intensifies
d. Jaundice intensifies
- Which serologic markers may be the only one present during the “window period?”
a. HBcAg
b. Anti HBc IgM
c. Anti HBs IgM
b. Anti HBc IgM
- True or False: CK from brain crosses the blood-brain barrier
a. True
b. False
a. True
- Which of the following is CORRECT about ALP
a. It is present in bone disease
b. It is more specific to the liver than AST
c. The normal range in males is 13-35 U/L
d. Appears in plasma many days before clinical signs
a. It is present in bone disease
- What problems does myoglobin have as a cardiac marker?
a. It is not specific to heart muscle
b. Its molecular weight is low
c. It is not sensitive to myocardial damage
d. It appears later than CK-MB
b. Its molecular weight is low
- Which of the following is true regarding Natriuretic Peptide:
a. They were released when ventricles are strained
b. They are used to protect risk for heart failure
c. They were initially thought to originate from the brain
d. All of the above
a. They were released when ventricles are strained
- A patient with an ALT level of 75 U/L most likely has:
a. No problem as that is a normal level
b. Acute hepatitis
c. Non - alcoholic steatohepatitis
d. Alcoholic hepatitis
c. Non - alcoholic steatohepatitis
● High serum levels in acute hepatitis (300-1000U/L)
● Moderate elevation in alcoholic hepatitis (100-300U/L
● Minor elevation in cirrhosis, hepatitis C and non-alcoholic steatohepatitis (NASH) (50-100U/L)
- Homocysteine is a marker implicated in what?
a. All of the above
b. Vascular injury
c. Disruption of the elastic lamina
d. Smooth muscle hypertrophy
a. All of the above
- CK MB returns to baseline at around:
a. 4 hours
b. 1-2days
c. 10 days
d. 10 hours
b. 1-2days
- Can you diagnose Acute MI without biochemical evidence of heart injury?
a. I am not sure
b. No, it’s not possible
c. Yes, but it’s rare
c. Yes, but it’s rare
- What makes a good cardiac marker?
a. It remains in myocytes long after injury
b. Detectable in low concentrations
c. High levels have no correlation with tissue
damage
d. It is present in many different tissues
b. Detectable in low concentrations
- True regarding HBcAg:
a. None of the above are true
b. All of the above
c. Expressed on the surface of the nucleocapsid
d. Remains within hepatocytes
b. All of the above
- Interpret this serology profile:
HBsAg (-),
Anti-HBs (+),
Anti-HBc (-),
HBeAg (-),
Anti-HBe (-)
a. Acute infection with HBV
b. A highly infective individual
c. A person in the window period
d. A vaccinated individual
d. A vaccinated individual
- Heme proteins are majorly found in:
a. Dendritic cells
b. Adipocytes
c. Senescent red cells
d. Skin
c. Senescent red cells
- Which of the following processes occurs last?
a. Unconjugated bilirubin is transported to the liver via albumin
b. Glucuronic acid is removed by bacteria in the intestine
c. Urobilinogen is converted to urobilin
d. Heme is converted into bilirubin
c. Urobilinogen is converted to urobilin
- In hepatitis B patients, the first viral serologic marker to be detected is:
a. HBeAg
b. Anti HBs
c. HBsAg
d. Anti HBc
c. HBsAg
- Is this patient highly infective?
HBsAg (+),
Anti-HBs (-),
Anti-HBc IgG (+),
HBeAg (+),
Anti-HBe (-)
a. Yes
b. No
c. Maybe
a. Yes
- Alkaline Phosphatase is:
a. A nonspecific marker of liver disease
b. Primarily released by osteoclasts
c. Decreased in hepatocellular carcinoma
d. Normal when the level is 200 u/L
a. A nonspecific marker of liver disease
- True or False. A small fraction of urobilinogen is excreted in urine
a. True
b. False
a. True
- The patient is:
HBsAg (-)
Anti HBs (-)
Anti HBc (-)
HBeAg (-)
Anti HBe (-)
a. Chronically infected with HIV
b. Vaccinated against HBV infection
c. Susceptible to HBV infection
d. Acutely infected with HBV
c. Susceptible to HBV infection
- Which of the following processes occurs first?
a. Urobilinogen is reabsorb into the portal blood
b. Glucuronic acid is removed by bacteria in the intestine
c. Unconjugated bilirubin is transported to the liver via albumin
d. Urobilinogen is converted to Urobilin
c. Unconjugated bilirubin is transported to the liver via albumin
- True regarding HBeAg
a. Low amounts means the patient is highly infective
b. NOTA
c. An index of viral replication
d. Accessory sugar of HBV
c. An index of viral replication
- What exactly is the utility of hs-CRP?
a. Predictor of response to therapy
b. NOTA
c. Screening and risk prediction
d. Determination of extent of myocardial damage
c. Screening and risk prediction
- True of Type 1 Diabetes except:
a. Autoantibodies (GAD65, IA-2, IAA) may be present
b. Frequency of 5%–10%
c. Autoantibodies are absent
d. C-peptide levels is very low or undetectable
c. Autoantibodies are absent
- The following statements are true about neural tube defects except
a. in NTDs, AFP is decreased
b. folic acid supplementation before conception reduces the recurrence of fetal NTDs
c. failure of the neural tube to close by the 27th day after conception
d. sporadic in 90% of cases and represent isolated defects with a multi- factorial origin, involving both genetic and nongenetic factors.
a. in NTDs, AFP is decreased