march 9th

Question 1

What is the calculation for respiratory compensation during metabolic alkalosis?

Answer 1

.7*Hc03- + 20 +/-5

< .7*HCo3- + 44

Question 2

What is the triad for lead colic?

Answer 2

Intermittent vomiting
Abdominal pain
Colic

Question 3

What is the rate limiting step in heme synthesis?

Answer 3

Aminolevulinate synthetase

Question 4

By what two mechanisms does lead poisoning affect heme synthesis?

Answer 4

Inhibitts Ferrochelase

Inhibits aminolevulinate dedratase

Question 5

What is the function of ferrochelase?

Answer 5

Binds iron with Protoporphyrin to make heme

- last step in the synthesis

Question 6

Pt is born with a cleft lip. What sort of problems will they have? Especially during feeding?

Answer 6

They cannot create the suction needed to feed. Thus they choke, spit up and cough. They have poor weight gain right away. There are no other facial abnormalities or any other systemic systems

Question 7

What is the mnemonic for microtubules inhibitors?

Answer 7

Microtubules Get Constructed Very Poorly
Mebendazole
Griseofulvin 
Colchocine 
Vincristine
Paxiltaxel

Question 8

What are the atypical pneumonias?

Answer 8

Mycoplasma
Legionella
Chlamydia

Question 9

What are the nosocomial pneumonias?

Answer 9

S aureus
Pseudomonas
Gram - rods

Question 10

What are the post viral pneumonias?

Answer 10

Strep Pneumoniae
S. Aureus
H Flu

Question 11

What causes psittacosis? How does one get it?

Answer 11

Chlamydophila psittaci

caused by parrot droppings

Question 12

You suspect someone has psittacosis. You RX what and who should you call, besides ghost busters?

Answer 12

Doxyclycine/other tetracycline

- State public health service

Question 13

What is the MOA of amantidine?

Answer 13

Increase dopamine release and prevent reuptake

Question 14

What is amantidine used for?

Answer 14

Parkinson’s

Influenza/Rubella

Question 15

What are the adverse affects of amantidine?

Answer 15

Ataxia
Dizziness
Slurred speech
Psychosis
Livido Reticularis (skin lace like purpurlish discoloratio)

Question 16

What do HIV pts with Bartonella infection get?

Answer 16

Bacillary angiomatosis

Question 17

Does men having sex with me increase your chances of getting giardia?

Answer 17

yes

Question 18

What is a common vector of histoplasmosis?

Answer 18

Bat and bird droppings

Question 19

What are roth spots and what disease are they found?

Answer 19

They are seen in acute endocarditis. They are white spots on retina surrounded by hemorrhage.

Question 20

What are the causes of acute endocarditis?

Answer 20

Viradans

Question 21

What are the strains of strep Viradans?

Answer 21

Mutans
Sanguinis
Oralis
Mitis

Question 22

What vessel do nitros affect more?

Answer 22

Veins

- Thus decrease in preload which decreases the O2 demand of the heart

Question 23

At low doses what do nitros affect more? How about high doses?

Answer 23

Veins at low doses

- both at high doses

Question 24

What bring on angina with stable angina pectoris?

Answer 24

Things that increase the O2 demand of the heart

• exercise
• emotional stress
• cold

These are relieved at rest

Question 25

Abx in a strep infection protect against what? What does it not protect against?

Answer 25

Rheumatic fever

-not against PSGN

Question 26

What abnormality happens in 99% of the cases of rheumatic fever?

Answer 26

Mitral stenosis