Principles: Exam II

Question 1

Mean Arterial Pressure

Answer 1

MAP = SPB +2(DBP) / 3

Question 2

Oxyhemoglobin

Answer 2

Absorbs INFRARED (940nm) - appear red

Question 3

Deoxyhemoglobin

Answer 3

Absorbs RED (660nm) - appears blue

Question 4

ETCO2 Wavelenghts

Answer 4

2,600 and 4,300nm

Question 5

Phase A-B

ETCO2

Answer 5

Exhalation of Dead Space (no ETCO2)

Question 6

Phase B-C

ETCO2

Answer 6

Alveolar Emptying (Sharp RISE ETCO2)

Question 7

Phase C-D

ETCO2

Answer 7

Exhalation of Alveolar Gas (Plateau in ETCO2)

Question 8

Point D 
(ETCO2)

Answer 8

ETCO2 Measurement

Question 9

Phase D-E

ETCO2

Answer 9

Beginning of Inspiration (Sharp DECLINE ETCO2)

Question 10

Alpha Angle

ETCO2

Answer 10

Indicator of V/Q Status

Normally 110 = obstruction / COPD)

Question 11

Beta Angle

ETCO2

Answer 11

Normally 90 degrees

Assesses rebreathing

Question 12

Curare Cleft

ETCO2

Answer 12

Notch in plateau

indicates need for more relaxation

Question 13

Monochromatic Infrared Spectrometry

Answer 13

3.3nm must program inhalation agent

Question 14

Polychromatic Infrared Spectrometry

Answer 14

7-13nm, do not have to program inhalation agent

Question 15

Sciatic Nerve

Answer 15

Foot Drop, Weakness Bellow Knee, Lateral 1/2

Sitting, Lithotomy, IM

Question 16

Femoral Nerve

Answer 16

Knee Problems, Superior Aspect, Flexion Loss

Lithotomy / PELVIC BRIM

Question 17

Peroneal

Answer 17

Foot Drop, Dorsal Extension

Lithotomy / Supports, Supine

Question 18

Obturator

Answer 18

Adduction, Medial Sensation

Forceps Delivery, Flexion

Question 19

Tibial

Answer 19

Foot Drop

Plantar Flexion

Question 20

Musculocutaneous

Answer 20

Forearm Flex / Relax

compression

Question 21

Brachial Plexus

Answer 21

Erb’s Palsy, Weak Arm

Abduction >90, Prone, Supine/T-Berg against braces

Question 22

Ulnar

Answer 22

Claw Hand, 5th Digit

edge of bed, humerus

Question 23

Radial

Answer 23

Wrist Drop, Lateral Three 1/2 Fingers, Wrist Extension

Humerus Compression

Question 24

Medial Cutaneous

Answer 24

1st and 5th Digit, Medial Forearm

Cubital Fossa Compression

Question 25

Tidal Volume (Vt)

Answer 25

Restful inspiration / expiration

500mL

Question 26

Vital Capacity (VC)

Answer 26

Air Expired after Forced Inspiration
(Max Input to Max Output)
(4,000mL)

Question 27

Total Lung Capacity (TLC)

Answer 27

Vital Capacity + Residual Volume
(Max Air ever in Lungs)
(6,000mL)

Question 28

Functional Residual Capacity (FRC)

Answer 28

Residual Volume + Exp. Reserve Volume

2,500mL

Question 29

Inspiratory Capacity

Answer 29

Total Inspired Air
(Tidal Volume + Inspiratory Reserve Volume)
(2,500mL)

Question 30

Expiratory Reserve Volume

Answer 30

Forcefully Expired Air after Vt
(1,250ml)
Same as Expiratory Capacity