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Flashcards in Study Group Deck (28):
0

Where does chicken pox hang out?

Dorsal Root Ganglion

1

What is roseola infantum?

Affects young children, caused by HHV-6 & HHV-7, abrupt high fever, after fever there is a rashthat starts on neck & trunk but spreads to extremities & face
-Happy looking kid

2

What shouldn't you give to mono patients?

Ampicillin - enlarged spleen

3

Roseola?

Young kids, happy, high fever that turns into trunk rash that spreads to extremities

4

Why was smallpox eradicated?

Humans are only carriers, doesn't mutate, aren't multiple strains

5

What is ECHO virus?

-Fecal shedding
-Preschool spread
-Rash on trunk - like flu
-Fever

6

What is Parvovirus B19?

-Lacy rash, very mild but very contagious
-Maculopapular rash on red cheeks - "slapped cheeks"
-Fever, muscle aches
-Begins on cheeks

7

What is Rubeola?

Measles Virus
-Koplik spots on buccal mucosa that proceed to rash
-widespread maculopapular

8

What is rubella?

German Measles
-Rash starts on face & spreads to down body
-Clears over 3 days
-Forchheimer spots on soft palate
-Widespread fine rash

9

What is the only Arbovirus?

Dengue virus

10

What are symptoms of dengue fever?

No rash on soles and palms
-High grade sudden fever, joint pain, sore throat, cough, malaise, vomiting, generalized rash after fever, appears ill & toxic

11

What is the allen test looking for?

Blood refill of the hand while compressing the ulnar artery

12

What causes the power stroke?

Release of phosphate from the ATP on the myosin head

13

Why would you want to prolong ACh release?

Myasthenia Gravis

14

Myasthenia Gravis

Creates antibodies against ACh receptors

15

What does tetrodotoxin do?

Blocks VG Na+ channels

16

When it's hot, what does the post-synaptic neuron release on the AV shunt?

Ach to muscarinic receptors that causes vasodilation

17

When it is cold, post-synaptic neurons release?

NE that binds to alpha and beta receptors and causes vasoconstriction

18

What does Furosimide (Lasix) do?

Blocks NKCC channels in eccrine & apocrine glands

19

What innervates the teres minor?

The lower subscapular nerve

20

What causes Lambert-Eaton syndrome?

It's caused by autoantibodies against Calcium channels in motor neurons resulting in inability to release ACh

21

What happens in myasthenia gravis?

Autoantibodies are generated against nicotinic receptors in skeletal muscle

22

What causes malignant hyperthermia?

It's caused by a mutation of the ryanodine receptor allowing excessive release of calcium, usually triggered by anesthetics [Ca2+ induced Ca2+ release channels]

23

What mutation results in Duchenne's muscular dystrophy?

A mutation in dystrophin, a skeletal muscle support protein.

24

Where is tetrodotoxin from and what is its abbreviation?

Pufferfish, other seafood, TTX

25

What usually causes malignant hypothermia?

Anesthetics

26

What innervates the triceps brachii?

Radial nerve (sometimes the long head is innervated by the axillary nerve!)

27

What does Lambert-Eaton Syndrome cause?

Muscle Weakness, its autoimmune