Chat generated Qs Flashcards

(44 cards)

1
Q

Which of the following is a type of point-of-care HIV test?
A) ELISA
B) Western Blot
C) Lateral Flow Test
D) PCR

A

C

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2
Q

What sample types can be used for point-of-care HIV tests?
A) Blood only
B) Saliva only
C) Blood, serum, plasma, urine, or saliva
D) Nasal swab only

A

C

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3
Q

A test with poor specificity is likely to result in:
A) Many false negatives
B) Many false positives
C) High positive predictive value
D) No impact on results

A

B

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4
Q

The SPIN acronym helps remember that:
A) High specificity tests are good for ruling in disease with a positive result
B) High sensitivity tests are good for ruling out disease with a negative result
C) High specificity tests always have high sensitivity
D) A negative result rules in disease

A

A) High specificity tests are good for ruling in disease with a positive result

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5
Q

Positive predictive value (PPV) increases when:
A) Prevalence of the disease decreases
B) Prevalence of the disease increases
C) Sensitivity decreases
D) Specificity decreases

A

B

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6
Q

Which COVID-19 test type detects antibodies to SARS-CoV-2, indicating past infection?
A) PCR
B) Antigen test
C) Serological test
D) Isothermal molecular test

A

C

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7
Q

When is a COVID-19 rapid antigen test most likely to produce a false negative?
A) When taken several days after symptom onset
B) When taken early in the infection
C) When the sample is from a throat swab
D) It rarely produces false negatives

A

B

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8
Q

In pharyngitis management, which sign increases the likelihood of Group A Streptococcus infection?
A) Presence of a cough
B) Absence of fever
C) Tender, enlarged lymph nodes
D) Chronic sore throat lasting more than 10 days

A

C

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9
Q

What is an advantage of using a lower cutoff value in a diagnostic test?
A) Increased specificity
B) Increased sensitivity
C) Fewer false positives
D) Decreased false negatives

A

B

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10
Q

Which of the following is a reason for poor sensitivity in a diagnostic test?
A) The test detects antibodies instead of antigens
B) The cutoff value is set too high
C) The test is performed after symptom onset
D) The prevalence of the disease is high

A

B

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11
Q

Which of the following statements about likelihood ratios is TRUE?
A) They are influenced by disease prevalence
B) A high LR+ means the test is good at ruling out disease
C) LR+ is calculated as sensitivity / (1-specificity)
D) LR- is the probability of a positive test in someone without disease

A

C

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12
Q

What happens to specificity when the cutoff for a test is increased?
A) It decreases
B) It stays the same
C) It increases
D) It has no relationship to cutoff values

A

C

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13
Q

Which type of COVID-19 test can remain positive after the person is no longer infectious?
A) Rapid antigen test
B) PCR test
C) Serology test
D) None of the above

A

B

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14
Q
A

C

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15
Q

Which insulin pen needle length is appropriate for almost all body types, including children, adults, and obese patients?

A) 10 mm
B) 8 mm
C) 6 mm
D) 4 mm

A

D

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16
Q

What is lipohypertrophy?

A) A skin infection caused by insulin
B) Scar tissue from repeated finger pricks
C) Thickened subcutaneous tissue from repeated insulin injections
D) Bruising at injection sites

A

C) Thickened subcutaneous tissue from repeated insulin injections

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17
Q

Which feature helps patients with needle anxiety by hiding the needle during injection?

A) Thin-walled technology
B) Auto-shield needles
C) Reusable pen
D) Flat injection base

A

B

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18
Q

When should insulin pens be primed?

A) Only when switching to a new pen
B) Only for cloudy insulins
C) Before each injection
D) Once daily

19
Q

What is the maximum single injection volume before splitting an insulin dose into two injections is typically recommended?

A) 20 units
B) 30 units
C) 50 units
D) 70 units

20
Q

How do modern glucometers detect glucose?

A) Color comparison chart
B) Enzyme-based photometric detection
C) Electrochemical amperometric detection
D) Visual estimation

21
Q

Which enzyme is commonly used in glucometers?

A) Glucose kinase
B) Glucose oxidase
C) Lipase
D) Lactase

22
Q

What is a limitation of urine glucose testing?

A) Detects hypoglycemia
B) Provides real-time blood glucose data
C) Provides retrospective glucose data only
D) Is more reliable than blood glucose testing

23
Q

hich ketone body is measured by capillary blood ketone meters like the Freestyle Precision Neo®?

A) Acetoacetate
B) Acetone
C) β-Hydroxybutyrate
D) Gluconolactone

24
Q

Which factor can cause a falsely high blood glucose reading on a glucometer?

A) High hematocrit
B) Low acetaminophen levels
C) High bilirubin levels
D) Hypotension

25
What is the main reason 4 mm pen needles are widely recommended for insulin injection in most patients? A) They deliver insulin into muscle tissue B) They reduce the risk of intramuscular injection and are suitable for all body types C) They are less expensive D) They require no priming
B
26
27
28
Which feature of insulin pen needles helps reduce injection pain and force required to deliver insulin? A) Flat injection base B) 5-bevel tip design C) Reusable design D) Increased gauge
B
29
What should you do if a patient requires more than 80 units of insulin and their pen only dials to 80? A) Administer remaining units later in the day B) Use a new pen or cartridge for a second injection to complete the dose C) Inject into muscle for better absorption D) Skip the remaining dose
B
30
What co-factor is required for glucose dehydrogenase enzyme function in glucometers? A) FAD B) NAD C) PQQ D) All of the above
D
31
What happens if a patient has a hematocrit above 55% when using a glucometer? A) Falsely high reading B) Falsely low reading C) Accurate reading D) Device error
B
32
Which factor might interfere with both A1C and glucose meter readings? A) Aspirin B) Vitamin C C) Hemoglobin variants D) All of the above
D
33
Which of the following statements about Baqsimi® (intranasal glucagon) is TRUE? A) It requires mixing prior to use B) It’s inhaled deeply through the mouth C) It can be given in one nostril, even if the patient has a cold D) It cannot be used for children
C
34
What is the main disadvantage of urine ketone testing in diabetic patients? A) It’s quantitative B) It can produce false results and lags behind blood ketone levels C) It’s more reliable than blood testing D) It can detect β-hydroxybutyrate
B
35
Which of the following statements about insulin pen needle reuse is TRUE? A) It’s fine to reuse pen needles as long as they’re wiped with alcohol B) Reused needles stay sharp for up to 5 uses C) Reuse can lead to increased risk of lipohypertrophy and reduced insulin delivery D) It’s recommended to reuse pen needles to save money
C
36
Which insulin pen device would be most appropriate for a patient with arthritis requiring less thumb force to inject? A) NovoPen Echo® B) FlexTouch® C) Clikstar® D) HumaPen Memoir®
B - button doesn’t extend up as much
37
Which of the following is a potential cause of falsely high glucose readings on a glucometer? A) High hematocrit B) Ascorbic acid supplementation C) Dehydration D) Low triglycerides
B
38
What does "universality" mean when referring to insulin pen needles? A) They can be reused up to 5 times B) They can be used with any insulin pen brand C) They are disposable after one use D) They work only with specific insulin cartridges
B
39
Which insulin pen device records the last 16 doses, including priming doses? A) NovoPen Echo® B) HumaPen Memoir® C) SoloStar® D) FlexTouch®
B
40
What is the primary purpose of priming an insulin pen? A) Clean the needle B) Ensure accurate, unblocked dose delivery C) Reduce injection pain D) Remove air from the insulin cartridge
B
41
Which of the following is NOT a contributor to falsely high glucometer readings? A) Bilirubin B) Hematocrit >55% C) Ascorbic acid D) Acetaminophen
B
42
Which of the following statements about insulin pen needles is FALSE? A) The higher the gauge number, the thinner the needle B) 4 mm pen needles are suitable for most body types and don’t usually require a skin pinch C) It’s safe to leave a needle attached to an insulin pen for several days D) A 5-bevel needle tip reduces injection force compared to a 3-bevel tip
C) It’s safe to leave a needle attached to an insulin pen for several days (Leaving a needle attached increases risk of leaks, air bubbles, contamination, and insulin degradation.)
43
hich of the following statements about continuous glucose monitoring (CGM) is FALSE? A) CGM measures interstitial fluid glucose, not blood glucose B) CGM readings are always identical to capillary glucose values C) CGM is helpful for detecting trends and glucose variability D) CGM sensors must be replaced regularly
B) CGM readings are always identical to capillary glucose values (There’s a lag — interstitial glucose readings can trail behind blood glucose, especially during rapid changes.)
44
Which of the following statements about glucagon emergency kits is FALSE? A) Baqsimi is an intranasal, single-dose, dry powder glucagon spray B) Injectable glucagon requires reconstitution before use C) Glucagon is safe to administer if a patient is unconscious from hyperglycemia D) After glucagon, the person should be turned on their side to prevent choking
Answer: C) Glucagon is safe to administer if a patient is unconscious from hyperglycemia (In that case, it won’t work — hyperglycemia coma needs urgent hospital care.)