Important Labs

Question 1

What is the low end of abnormal (not critical) range for hemoglobin?

Answer 1

8.0

Question 2

What is the abbreviation for hemoglobin?

Answer 2

Hgb

Question 3

What should be avoided when hemoglobin is under 8?

Answer 3

Resistive exercise

Question 4

What are signs and symptoms associated with low hemoglobin that indicate therapy should be held?

Answer 4

Increase in resting HR over 30BPM with activity, nausea, angina, SOB, SpO2 under 90%, dizziness not resolved in 60 seconds of coming upright

Question 5

What is the low end of normal range for hematocrit?

Answer 5

25%

Question 6

What is the abbreviation for hematocrit?

Answer 6

Hct

Question 7

What is the normal range for potassium?

Answer 7

3.5-5.0

Question 8

What is the abbreviation for potassium?

Answer 8

K

Question 9

Abnormal potassium may interfere with ___________ and ___________ .

Answer 9

muscle contraction and cardiac conductivity

Question 10

Therapy should be deferred to later in the day for patients with a new potassium level under _______

Answer 10

3.5

Question 11

What is the abbreviation for sodium?

Answer 11

Na

Question 12

What is the normal range for sodium?

Answer 12

135-145

Question 13

Therapy should usually be held for sodium under _____

Answer 13

125

Question 14

Therapy should usually be held for sodium over _____

Answer 14

155

Question 15

What is the normal range for blood glucose?

Answer 15

80-120

Question 16

Signs and symptoms of intolerance of activity due to low glucose include:

Answer 16

dizziness, confusion, lethargy, decreased motor control, blurred vision

Question 17

Signs and symptoms of intolerance of activity due to high glucose include:

Answer 17

thirst, light-headed, lethargy, feeling hot, blurry vision

Question 18

What is the most common cause of an elevated white blood cell count?

Answer 18

Infection

Question 19

In general, when reviewing lab values that have been abnormal, a therapist should hope to see a trend towards _______ when determining the patient’s ability to tolerate therapy

Answer 19

normal

Question 20

The normal range for troponins is

Answer 20

.04

Question 21

In the presence of elevated troponins, the therapist should always review the _______ notes when assessing patient tolerance for activity

Answer 21

cardiology

Question 22

Elevated troponins can commonly indicate __________ or __________

Answer 22

demand ischemia or myocardial infarction

Question 23

Therapists should look for a trend ____________ in troponins for at least 24 hours after peak before initiating therapy

Answer 23

down or toward normal

Question 24

Therapists should look for a trend down in troponins for at least ____ hours after peak before initiating therapy

Answer 24

24

Question 25

Common labs to measure blood clotting include

Answer 25

PTT and INR

Question 26

If clotting labs are abnormally high, blood may:

Answer 26

clot slowly and increase risk of uncontrolled bleeding

Question 27

If clotting labs are abnormally low, blood may:

Answer 27

clot faster than normal and increase risk of dangerous clots

Question 28

For a patient taking an anticoagulant medication, a therapeutic INR is

Answer 28

2.0-3.0

Question 29

Recent labs should be reviewed:

Answer 29

before initiating every therapy session in an acute setting