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Flashcards in Special Topics Deck (19):
1

Shivering is a heat-__________ mechanism

Generating
Also thyroid hormone production, decreased sweating, piloerection, skin vasoconstriction

2

Examples of heat loss mechanism

Sweating skin vasodilatation decreased heat production

3

Most of the body heat is lost via _________

Radiation (60%)

4

Pathophysiology of malignant hyperthermia

Defect in ryanodine (Ca2+) receptor

5

Interleukin for fever

Interleukin-1

6

Antidote for malignant hyperthermia

Dantrolene sodium

7

Most important effect of high altitude

Decreased mental proficiency

8

Altitude where seizure occurs

18,000 feet

9

Acclimatization increases which enzyme and causes shift to the ____\ of the O2Hgb curve

Bpg mutase
Shift to the right

10

Chronic mountain sickness causes

Right sided heart failure and pulmonary vasoconstriction

11

Positive G is more dangerous. T or F?

True! Blood is shunted to lower extremities

12

Where is blood shunted in negative G?

Head
Cause red out and transient psychotic disturbances

13

Decompression sickness can lead to formation of ______

Nitrogen bubbles

14

Chronic decompression sickness

Caisson disease

15

Raptures of the depths happen at ____ feet

250 feet

16

Terminal velocity reached within _____seconds

12 secs

17

+6-10 G can cause

Blackouts
LOC
death

18

Oxygen supply at space missions

20% at 760 mmHg

19

Regulation of body temperature

Hypothalamus