Practice Assessment Quiz Ch. 21

Question 1

Most pulmonary emboli originate from where?

Answer 1

Leg and pelvic veins

Question 2

The aortic in carotid sinus baroreceptors initiate, which of the following in response to a decreased systemic blood pressure?

Answer 2

Increased heart rate and increased ventilatory rate

Question 3

What is the upper limit of the normal mean pulmonary artery pressure?

Answer 3

15 mmHg

Question 4

Pulmonary hypertension develops in pulmonary embolism because of which of the following?

Answer 4

Vasoconstriction caused by humoral agent release Vasoconstriction induced by decrease alveolar oxygen pressure (PaO2).

Question 5

In severe pulmonary embolism, which of the following hemodynamic and disease are commonly seen?

Answer 5

Increased mean pulmonary arterial pressure

Question 6

When humoral agents such as serotonin are released into the pulmonary circulation, which of the following occur?

Answer 6

The ventilation-perfusion ratio decreases
The bronchial smooth muscles constrict

Question 7

Which of the following is or are thrombolytic agents?

Answer 7

Urokinase & Streptokinase

Question 8

Which of the following is the most prominent source of pulmonary emboli?

Answer 8

Blood clots

Question 9

Pulmonary hypertension is defined as an increase in mean pulmonary pressure greater than:

Answer 9

25 mmHg

Question 10

An oral calcium channel blocker may be used to help manage some patients who have which of the following classifications of pulmonary hypertension?

Answer 10

Group 1 Pulmonary Arterial Hypertension