vital signs ch 30

Question 1

thermoregulation

Answer 1

balance between heat loss and heat produced

Question 2

thermoregulation neural and vascular control

Answer 2

controled by hypothalamus

• anterior- heat loss -vasodilation (sweating)
• posterier- heat production- vasoconstriction (shivering)

Question 3

radiation

Answer 3

transfer of heat from surface of one object to another

Question 4

conduction

Answer 4

transfer of heat from one object to another w direct contact

Question 5

convection

Answer 5

transfer of heat through by air movement

Question 6

evaporation

Answer 6

transfer of heat when liquid changes to gas

Question 7

diaphoresis

Answer 7

sweating

Question 8

factors influencing temp

Answer 8

age, exercise, hormone level, circadian rhythm, stree, environment, temp alterations (fever-pyrexia, hyperthermia, heatstroke 40/104+, heat exhaustion, hyperthermia -34/93.2)

Question 9

cardiac output

Answer 9

vol of blood pumped by heart during 1 minute
the product of HR and stroke volume (SV) of the ventricle
-5000mL min

Question 10

HR increase without change in SV

Answer 10

BP decreases

Question 11

HR slows

Answer 11

BP increases

Question 12

factors influencing pulse rate

Answer 12

exercise, temp, emotions, medications, hemorrhage, postoral changes, pulmonary conditions

Question 13

respiration averages

Answer 13

12-20 breaths per min

Question 14

respiration regulation

Answer 14

CO2, O2, and pH in blood

Question 15

adult pulse rate

Answer 15

60-100

Question 16

average temp range

Answer 16

98.6-100.4

36-38

Question 17

bradypnea

Answer 17

regular rate but slow (>12)

Question 18

tachypnea

Answer 18

regular rate but rapid (>20)

Question 19

hyperpnea

Answer 19

labored, increased depth and rate (exercise)

Question 20

hyperventilation

Answer 20

rate and depth increase

Question 21

hypoventilation

Answer 21

low rate, depressed depth

Question 22

cheyne-stokes respiration

Answer 22

irregular w periods of apnea and hyperventilation

Question 23

kussmaul’s respiration

Answer 23

abnormally deep, regular, and increased rate

Question 24

biot’s respiration

Answer 24

abnormally shallow followed by irregular apnea

Question 25

average range of BP

Answer 25

120/80 or less

Question 26

factors influencing BP

Answer 26

age, stress, ethnicity,

gender, daily variation, meds, activity and weight, smoking