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Respiratory System MCQ

Inspiration begins as __________.

Answer

Correct Answer: As the diaphragm contracts

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With an acute asthma attack, ________________ increased when compared to normal values.

Answer

Correct Answer: RV

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Without surfactant, _______.

Answer

Correct Answer: The surface tension of the liquid in the alveoli would be greater and the alveoli would collapse

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Which of the following is responsible for holding the lungs to the thorax wall are ________.

Answer

Correct Answer: Surface tension from pleural fluid and negative pressure in the pleural cavity

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Surfactant helps to prevent the alveoli from collapsing by ________.

Answer

Correct Answer: Interfering with the cohesiveness of water molecules, thereby reducing the surface tension of alveolar fluid

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Factors that influence the rate and depth of breathing include ________.

Answer

Correct Answer: Voluntary cortical control

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Doing sit ups will not reduce belly fat because __________

Answer

Correct Answer: Sit-ups do not burn enough calories to reduce fat

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Juanita's cervix is 10 centimeters dilated, so she __________.

Answer

Correct Answer: Has completed labor and is ready to deliver the baby

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A vasovasostomy is a surgical procedure to ________.

Answer

Correct Answer: Reverse a vasectomy

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In babies born prematurely, pulmonary surfactant may not be present in adequate amounts ______.

Answer

Correct Answer: Due to insufficient exocytosis in the type II alveolar cells

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Each 100 ml of blood leaving the alveolar capillaries carries away roughly ________ ml of oxygen.

Answer

Correct Answer: 20

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The ____________ is the amount of air remaining in the lungs after a forced expiration.

Answer

Correct Answer: Residual volume

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A bunionectomy is a hallux ____ correction

Answer

Correct Answer: Valgus

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______ is a relatively rare malignant tumor that originates in a bone.

Answer

Correct Answer: An osteochondroma

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Patients with rhinitis often have "watery eyes" because ______.

Answer

Correct Answer: The infection has caused inflammation of the nasolacrimal ducts

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The functions of the nasal cavity include ________.

Answer

Correct Answer: Warming, moistening, and filtering the air.

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Pulmonary endo/scop/y is best used to _____________ diseases of the respiratory system.

Answer

Correct Answer: View and diagnose

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Most inspired particles such as dust fail to reach the lungs because of the ________.

Answer

Correct Answer: Ciliated mucous lining in the nose

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Quiet inspiration will ____ thoracic and lung volume and _____ intrapulmonary pressure.

Answer

Correct Answer: Increase, decrease

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Inspiration occurs when the ________ is less than the ________.

Answer

Correct Answer: Intrapulmonary pressure; atmospheric pressure

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Expiratory reserve volume + residual volume = _______ capacity.

Answer

Correct Answer: 2200 mL

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