Medical Quiz

Respiration Anatomy and Physiology Quiz


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The ____ sits on top of the uppermost tracheal ring

A. larynx

B. esophagus

C. thorax

D. diaphragm


serves as a partial attachment for many muscles, the smallest

A. the manubrium

B. the corpus

C. the xiphoid process


During quiet/passive exhalation____ from the stretched inspiratory muscles is released

A. potential (stored) energy

B. active expiratory pressure

C. recoil forces

D. non-muscular forces


breath hold, bare down (e.g., giving birth)

A. intra-thoracic pressure

B. abdominal unit

C. external intercostal muscles

D. negative subglottal pressure


elastic tissue that inflates and deflates and as a result move air

A. lungs

B. trachea

C. thorax

D. ribs


passive expiration is accomplished by

A. non-muscular forces (recoil forces)

B. muscular forces

C. potential (stored) energy

D. passive expiratory pressure


the smallest branches stemming from the secondary bronci, lead to the alveoli where gas exchange occurs allowing air to enter into the blood

A. bronchioles

B. thorax

C. lungs

D. diaphragm


serves for attachment of certain respiratory muscles like the trapezius, pectoralis major and sternocleidomastoid

A. clavicle

B. sternum

C. abdominal wall

D. bronchi


for the lungs to inflate (inspiration), alveolar pressure must be more than atmospheric pressure

A. TRUE

B. FALSE


the act of inspiration is always passive

A. TRUE

B. FALSE


supplies innervation to the diaphragm

A. phrenic nerves ( C3,4,5)

B. spinal nerves

C. CN X

D. CN V


the lungs are apposed (or connected) to the thorax by….

A. pleural linkage

B. visceral pleura

C. parietal pleura

D. functional residual capacity


the chest cavity that surrounds and protects the lungs, the heart, and other respiratory structures

A. thorax

B. ribs

C. diaphragm

D. abdominal wall


alveolar pressure is changed by 2 forces: passive and active forces

A. TRUE

B. FALSE


neither the lung nor the thorax is really at their respective rest position

A. functional residual capacity

B. visceral pleura

C. TLC

D. pleural linkage


consists of 3 processes that serve as attachments for the respiratory muscles: manubrium, corpus, xiphoid process

A. sternum

B. abdominal wall

C. thorax

D. trachea


developed by the contraction of the respiratory muscles, alveolar pressure is changed by____

A. passive force

B. active force


When the respiratory system is at rest, the lungs are partially ____ at “rest”

A. inflated

B. deflated


has passive and active properties, during effortful tasks like coughing, sneezing, and certain voicing tasks, it contracts to compress the contents inside

A. abdominal wall

B. diaphragm

C. sternum

D. clavicle


a membrane that covers the lung

A. visceral pleura

B. parietal pleura

C. pleural linkage


during inhalation the lung volume increases, air molecules are less compressed, creating a vacuum called…

A. negative subglottal pressure

B. abdominal unit

C. intra-thoracic pressure

D. sternum


diaphragm and external intercostal muscles

A. muscles of quiet inspiration

B. muscles of forced inspiration


when the diaphragm moves downward and the force is transferred to the lower ribs moving them outward, the pressure rises and the lower rib cage….

A. expands

B. shrinks

C. rests

D. contracts


a membrane that covers the thorax

A. visceral pleura

B. parietal pleura

C. pleural linkage


For air to flow out of the lungs (expiration), alveolar pressure must be less than atmospheric pressure

A. TRUE

B. FALSE




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