Emergency Medical Care

Your ICU patient has ARDS with a pO2 of 62 mmHg, despite mechanical ventilation and oxygenation. ...

Your ICU patient has ARDS with a pO2 of 62 mmHg, despite mechanical ventilation and oxygenation. ...

Your ICU patient has ARDS with a pO2 of 62 mmHg, despite mechanical ventilation and oxygenation. Which of the following best explains this finding?
A) It is a problem with perfusion.
B) It is a problem with ventilation.
C) It is a prob

websith   103   1 Reply

Bart_arg

You are working in the ED caring for a 55-year-old female with a long history of COPD. She is more ...

You are working in the ED caring for a 55-year-old female with a long history of COPD. She is more ...

You are working in the ED caring for a 55-year-old female with a long history of COPD. She is more short of breath today than usual and states she has an increased cough. She has a tympanic temperature of 99.8°F. You have drawn arterial blood gases w

turblety   99   1 Reply

Bart_arg

Stretch receptors in the lungs send a signal to the inspiratory center of the medulla, inhibiting ...

Stretch receptors in the lungs send a signal to the inspiratory center of the medulla, inhibiting ...

Stretch receptors in the lungs send a signal to the inspiratory center of the medulla, inhibiting its stimulation of the phrenic and intercostal nerves. This is called the ________ reflex.
A) Cushing's
B) Hering-Breuer
C) Moro

websith   121   1 Reply

Makaha

After a normal inspiration and expiration, an adult patient has about 2,400 mL of air remaining in ...

After a normal inspiration and expiration, an adult patient has about 2,400 mL of air remaining in ...

After a normal inspiration and expiration, an adult patient has about 2,400 mL of air remaining in the lungs, known as the:
A) expiratory reserve volume.
B) residual volume.
C) functional residual capacity.
D) vital capacity.

websith   93   1 Reply

Bart_arg

Normal tidal volume in an average 70 kg adult is approximately ________ e.

Normal tidal volume in an average 70 kg adult is approximately ________ e.

Normal tidal volume in an average 70 kg adult is approximately ________ e.
A) 1,500
B) 1,000
C) 750
D) 500

websith   154   1 Reply

sjg1977

Which of the following patients are at risk for the most common cause of upper airway obstruction?

Which of the following patients are at risk for the most common cause of upper airway obstruction?

Which of the following patients are at risk for the most common cause of upper airway obstruction?
A) 4-year-old male with croup
B) 21-year-old female unconscious and supine on the floor
C) 22-year-old female stung by a wasp
D) 5-

turblety   114   1 Reply

DoctorZ

An example of diffusion in the respiratory system is movement of:

An example of diffusion in the respiratory system is movement of:

An example of diffusion in the respiratory system is movement of:
A) oxygen from the alveoli into the pulmonary capillaries.
B) air from the outside environment into the lungs.
C) oxygen from the tissues into the systemic capillaries.

websith   103   1 Reply

Bart_arg

The diaphragm is controlled by the ________ nerve.

The diaphragm is controlled by the ________ nerve.

The diaphragm is controlled by the ________ nerve.
A) vagus
B) olfactory
C) abducens
D) phrenic

websith   141   1 Reply

sjg1977

Air entering and leaving the lungs via inspiration and expiration is known as:

Air entering and leaving the lungs via inspiration and expiration is known as:

Air entering and leaving the lungs via inspiration and expiration is known as:
A) ventilation.
B) respirations.
C) perfusion.
D) oxygenation.

turblety   164   1 Reply

S.Andy