infecsous

Question 1

What’s the most common bacteria to cause meningitis in ptn older than 50

Answer 1

Streptococcus Pneumoniae

Question 2

What’s the most common bacteria to cause meningitis depends on the age group?

Answer 2

Less than 1 month = group B streptococcus/ between 1-2 years = streptococcus pneumoniae, / teenage years the same with neisseria meningiditis

Question 3

Hospital acquired / ventilator lobar pneumonia cause

Answer 3

Pseudomonas aeroginosa

Question 4

Pt with tb and pleural effusion, how to confirm that effusion is caused by tb

Answer 4

Pleural fluid WBC > 1000 ( sensitive test is elevated pleural fluid ADA level )
Most sensitive is high adenosine >45 IU

Question 5

Ptn came with India with diarrhea what the causative organism

Answer 5

E. Coli

Question 6

Ptn is his 20s present with painful cauliflower anal lesion what the cause

Answer 6

Condylomas acuminata

Question 7

26 male with meningitis and seizure what to give

Answer 7

Vancomycin

Question 8

Dengue mosquitoes time of activity

Answer 8

Early morning ( treatment is supportive and AVOID. NSAIDs)

Question 9

Male ptn had unprotected sex, 3 days later developed purlent discharge / gram negative intracellular diplococci ) what’s the cause

Answer 9

Neisseria gonorrhea

Question 10

What’s the optimal treatment period for streptococcus pharyngitis

Answer 10

10 days

Question 11

Ptn on first line anti-TB medication is have numbness , parasthesia what to give him

Answer 11

Pyridoxine

Question 12

History of tb and now presents with chronic cough with oral white patches inside and around mouth

Answer 12

Chronic coutaneous Candida

Question 13

Teacher is complaining of abdominal pain , fatigue, itching with dark urine and palpable liver , two other students have the same

Answer 13

Hepatitis A

Question 14

Ptn was found to have cavity on Chest xreay (TB) the infection precaution is

Answer 14

Airborne

Question 15

Ptn with MERS treated with vancomycin 1000 over 20 min , the ptn developed facial swelling and flashing what to do

Answer 15

Continue with slow rate

Question 16

If you are traveling to a place where there are like malaria mosquitoes , what’s the best prevention

Answer 16

Antibiotics

Question 17

All pilgrims must take what vaccine

Answer 17

Against meningitis

Question 18

Young male Ptn with altered sensorium, fever, nuchal rigidity, CSF shows : high protein, high cell count, normal glucose, what’s your diagnosis

Answer 18

Viral-meningio-encephalitis

Question 19

Nurse works in pulmonary clinic is now having cough m dyspnea not responding to antibiotics, X-ray show opacity in the left upper lobe, what’s the diagnosis

Answer 19

TB ( mycobacterium)

Question 20

Diabetic ptn with MARSA, UTI ,what antibiotic to give?

Answer 20

Vancomycin

Question 21

What’s the most nephrotoxic anti TB?

Answer 21

Rifampicin

Question 22

Solider will travel to malaria area, what to give for prophylaxis

Answer 22

Atovaqoune/proguanil ( malarone)

Question 23

Old ptn came with meningiditis, the most likely organism is

Answer 23

S.pneumonia

Question 24

Most common cause of fever in subsahara Africa is

Answer 24

Malaria

Question 25

HIV ptn has toxoplasmosis infection, treatment

Answer 25

Pyremithamin + sulfadilazine

Question 26

Time of isolation after treatment of meningitis

Answer 26

24 hour

Question 27

Contraindicated vaccine in people allergic to egg?

Answer 27

Yellow fever

Question 28

Prophylaxis of meningitis in old ppl

Answer 28

Rifampin

Question 29

Ptn with Candida esophagitis, history of multiple unprotected sex, what else to check? Or ptn traveled to Indonesia and has meningial sign , cryptococcal meningitis what else to test for?

Answer 29

HIV

Question 30

Name late complication of meningitis?

Answer 30

Deafness

Question 31

Infant with meningitis his CSF test shows positive cocci catalase positive , how to treat

Answer 31

Ampicillin

Question 32

Ptn with high WBCs , hypotension, fever is mostly having

Answer 32

Sever sepsis or septic shock

Question 33

Young ptn had sore throat and fever, took amoxicillin, a day after that he developed macular rash and general lymphadenopathy, diagnosis

Answer 33

Infectious mononucleosis

Question 34

Treatment of dengue fever?

Answer 34

Supportive

Question 35

Amebiasis, stool ( mix of blood , mucin ) what’s the organism

Answer 35

Entamebia histolytica

Question 36

+ve sexual history 6 years ago , labs WBC 0.3 Serology: cryptococcosis positive What is the best diagnostic test =

Answer 36

HIV serology

Question 37

Malaria negative results what to do next

Answer 37

Repeat every 8h for 43 hours ( blood smears should be repeated every 12–24 hours for a total of three sets before the diagnosis of malaria can be ruled out. )

Question 38

Which anti malaria drug mostly malaria will be resistant for it :

Answer 38

Chloroquine

Question 39

Malaria prevention sudan = give……..

Answer 39

Mefloquine

Question 40

Case of pt came from africa w hepatosplenomegaly :=

Answer 40

Malaria

Question 41

What is the peak time of west nile mosquito Infection ?

Answer 41

Ealrly morning

Question 42

35 indian male came for mecca then he developed convulsion , intermittent fever breathing problem after 2 days What is this

Answer 42

Malaria

Question 43

pt came only with fever and hx of Southeast Asia ?

Answer 43

Danger fever

Question 44

Retro Orbital pain, joint pain , muscle pain , came from travel ? Young female presented with headache and fever,she recently came from jeddah Labs shows low PLT , Low hemoglobin

Answer 44

Dengue

Question 45

Malaria treatment:

Answer 45

Artemisinin combination therapy

Question 46

oldier going to southern of saudi arabia came for malaria prophylaxis : Malaria prophylaxis

Answer 46

Atovaqoun / proguanil Malarone

Question 47

Malaria blood smear =…..

Answer 47

M.falciparum

Question 48

Patient known case of vitiligo, complaining of (signs of Vit B12 deficiency) what is the treatment

Answer 48

Parentral B12

Question 49

hypersegmented neutrophils are associated with which type of anemia ?

Answer 49

B12 and folate

Question 50

B12 deficiency is associated with an increased what?

Answer 50

Methylmalonic acid

Question 51

old pt with Chronic kidney disease present with labs show high WBC with arthritis=

Answer 51

CLL

Question 52

microcytic hyperchromic RBC = hereditary spherocytosis diagnosis Neonate complaining of jaundice after 12 hours of delivery .. blood film and I think it show microcytic hyperchromic RBC (hereditary spherocytosis ) What investigation you will order

Answer 52

Osmotic fragility test

Question 53

Parvovirus b 19 in sickle cell anemia Crisis of sickle cell patients , pale, low hemoglobin, no hepatosplenomegaly, type of crisis?

Answer 53

Aplastic crises

Question 54

18 Y has ALL. 17 days after chemo he develops fever around 38.7 C. No focus of infection found. Labs shows: low WBC 0.6 (normal was 4-10x..), Neutrophil level 60% (normal 40- 60%), i’m not sure if he has low platelets as well, what you’ll do:

Answer 54

Blood , urine culture and IV antibiotics

Question 55

known case of polymyalgia rheumatica presents with malignancy symptoms (weight loss and other non-specific constitutional sx), what is the diagnosis ? Labs showed anemia, low platelets and increased WBC (lymphocytes)

Answer 55

CLL

Question 56

24y kc of SCA came with headache, lethargy, pallor, Lab: hemoglobin very low, Reticulocytes: high, what most likely diagnosis? Sickle cell anemia boy Came with lethargy pallor and headache Dx?

Answer 56

Hemolytic crises

Question 57

SCA came with chest ,back and lower limbs pain what’s mostly dx?

Answer 57

Acute chest syndrome

Question 58

SCD patient presents with hands and foots pain, the most important ongoing care is

Answer 58

Penicillin + vaccine

Question 59

Child 6yrs c/o fatigue, pale ....Ix hb 5.6 retics high SCD+ve treatment? Sickle cell disease boy with severe abdominal pain, he looks pale and fatigued, on P/E he has splenomegaly. Labs shows hemoglobin 3.2 gm/dl. What is the initial management

Answer 59

Blood transfusion / two pRBC transfusion

Question 60

7 y/o presented to with SOB and fatigue Labs showed anemia + thrombocytopenia (no WBC) Sickle screen was positive Which one of the following is the most important investigation?

Answer 60

Reticulocyte count

Question 61

Pt with respiratory distress + high fever + low hb + high Ritcs count + pulmonary systolic murmur what is the diagnosis

Answer 61

Sickle cell anemia

Question 62

Crisis of sickle cell patients , pale, low hemoglobin, no hepatosplenomegaly, type of crisis?

Answer 62

Aplastic

Question 63

Sickle cell disease boy with pain in hands and foots. What is the initial management?

Answer 63

IV fluids and analgesia