BIO-169 Exam Questions With Correct
Answers
The____ is also called the voice box - answerLarynx
T or F: Overuse of the voice, as comes from yelling for several hours at a concert, is the number
one cause of laryngitis. - answerFalse
T or F: Viral or bacterial infection is the #1 cause of Laryn...
BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
BIO-169 Exam Questions With Correct
Answers
The____ is also called the voice box - answer✔✔Larynx
T or F: Overuse of the voice, as comes from yelling for several hours at a concert, is the number
one cause of laryngitis. - answer✔✔False
T or F: Viral or bacterial infection is the #1 cause of Laryngitis. - answer✔✔true
Which are among the four continuous and simultaneous processes of respiration? -
answer✔✔Alveolar gas exchange
systemic gas exchange
pulmonary ventilation
gas transport
Match the letter on the left with the structure on the right. - answer✔✔A - Diaphragm
B - Parietal pleura
C - Visceral pleura
The closing of the epiglottis over the larynx along with the simultaneous contraction of
abdominal muscles, known as the ____ maneuver, results in an increase in abdominal pressure. -
answer✔✔valsalva
The trachea is _____ to the esophagus, _____to the larynx, ______ to the primary bronchi. -
answer✔✔anterior, inferior, superior
Place the gases below in order of solubility, most soluble to least soluble. - answer✔✔1. CO2
2.O2
3.N2
Gas exchange in the respiratory involves the movement of respiratory gases between what
locations? - answer✔✔Blood and alveoli
Blood and systemic tissues
, BRIGHTSTARS EXAM STUDY SOLUTIONS 8/15/2024 2:05 PM
If the partial pressure of oxygen is higher in the alveoli than in the blood, which phrase describes
the net movement of oxygen? - answer✔✔from alveoli to blood
Match the letter on the left with the structure on the right. - answer✔✔A. Visceral pleura
B. Pleural Cavity
C. Parietal pleura
The pressure exerted by each gas within a mixture is called the - answer✔✔Partial pressure
Letter A indicates the _____ sinus and letter B indicated the _____ sinus - answer✔✔maxillary
frontal
In internal respiration, oxygen diffuse down a partial pressure gradient. The PO2 in the blood is
_____ mmHg, while the PO2 in the tissues is ______ mmHg. - answer✔✔95
40
Which substances can be carried in the blood bound to hemoglobin? - answer✔✔Carbon dioxide
oxygen
hydrogen ions (protons)
Which affect the ability of blood to carry oxygen? - answer✔✔The presence of hemoglobin
The solubility coefficient of oxygen
Total lung capacity is the _____ _____ of air that the lungs can hold. - answer✔✔total volume
If a partial pressure gradient exists for a particular gas, how will this affect the movement of gas
molecules? - answer✔✔The gas will move from higher to lower partial pressure.
The paranasal sinuses are named for the bones where they are located. Rank the bones in order
starting with the most superior. - answer✔✔Frontal
ethmoid
maxilla
Which are potential consequences of hypoventilation? - answer✔✔Hypoxia
Hypercapnia
What information is described by the oxygen-hemoglobin saturation curve? - answer✔✔The
relationship between partial pressure of oxygen and hemoglobin saturation with oxygen.
Match the color on the left with the structure on the right. - answer✔✔Green: Primary Bronchi
Blue: Secondary bronchi
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