Exam 2

Question 0

What is the most common nerve injury in the lithotomy position?

Answer 0

Peroneal nerve injury

Question 1

__ minutes of pressure on the eye will make your patient blind

Answer 1

20

Question 2

__ embolism is a bad complication of the sitting position.

Answer 2

Air

Question 3

Most common peripheral nerve injury is __ neuropathy

Answer 3

Ulnar

Question 4

Atlantoaxial subluxation is associated with __ arthritis, note any patient taking steroids or methotrexate. Get flex-ex X-rays, if instability exceeds 5mm, intubate awake

Answer 4

Rheumatoid

Question 5

Axillary roll should be __ to (just below) the axilla.

Answer 5

Caudad

Question 6

Most common physiologic consequence of positioning __

Answer 6

Postural hypotension

Question 7

Fibrosis of the conduction system and loss of SA node cells increases dysrhythmias, esp. __ fib and flutter

Answer 7

atrial fib and flutter

Question 8

geriatrics- maximal heart rate decreases by about 1 beat per minute per year greater than age __, and have decreased baroreceptor reflex

Answer 8

50

Question 9

Geriatrics have less chronotropic response to catecholamines due to decreased __ receptor sensitivity, but not decreased number of receptors.

Answer 9

beta

Question 10

geriatrics have a delayed onset of IV drugs but __ induction with inhalational agents

Answer 10

faster

Question 11

normal physiological responses in geriatrics, increased chest wall rigidity, decreased muscle strength = decr. cough, decr. max breathing capacity. BLUNTED response to __ and __

Answer 11

hypercapnia

hypoxia

Question 12

if your GRF is down, you will filter drugs __

Answer 12

slower

Question 13

decreased liver mass means __ slower drug metabolism

Answer 13

slower

Question 14

increased gastric pH means __ rate of gastric emptying

Answer 14

decreased

Question 15

geriatrics have decreased requirements for injected and inhaled anethetics and are more susceptible to __

Answer 15

delirium

Question 16

OD is the __ eye, dang right!

Answer 16

right

Question 17

OS is the __ eye

Answer 17

Left

Question 18

OU is the __ eye

Answer 18

Both

Question 19

What is the most common eye injury?

Answer 19

Corneal abrasion

Question 20

Normal intra ocular pressure is __ to 20 mmHg

Answer 20

12

Question 21

Glaucoma is obstruction to the __flow of aqueous humor, IOP greater than 20 mmHg

Answer 21

Outflow

Question 22

Can you use glycopyrrolate with glaucoma?

Answer 22

NO

Question 23

Inhalational agents and IV anesthetics __ IOP

Answer 23

Decrease

Question 24

Ketamine __ IOP

Answer 24

Increases

Question 25

Non depolarizers __ increase IOP

Answer 25

Do NOT

Question 26

What is the most common cause of postop blindness? __ optic neuropathy due to optic nerve infarction

Answer 26

Ischemic optic neuropathy

Question 27

Succs increases IOP 5-10 mmHg for __ to __ minutes causing extrusion of ocular contents through an open surgical or trauma wound

Answer 27

5-10 mmHg for 5-10 minutes

Question 28

Retro bulbar block CAN cause __ reflex

Answer 28

Oculocardic reflex

Question 29

Should you give nitrous with a detached retina?

Answer 29

__ no!

Question 30

How long does it take for SF6 gas to dissolve out of the eye?

Answer 30

10 days

Question 31

Echothiopate is an irreversible cholinesterase inhibitor to treat glaucoma, and will prolong the duration of __ and the effects last _-7 weeks

Answer 31

Succs

3-7 weeks