BIO202 EVALUATION EXAM 2025 QUESTIONS WITH
ANSWERS RATED A+
✔✔Match the following structures or characteristics with the appropriate zone of the
respiratory tract. - ✔✔composed of smooth muscle and cartilage; bronchi
the first site of gas exchange; respiratory bronchioles
presence of mucociliary escalator and C-shaped cartilages; trachea
contains guard hair and mucus that traps particles; nose
contains vocal cords; larynx
create turbulent airflow; nasal conchae
double-layered membrane that covers lungs; pleurae
✔✔Which one of the following is NOT a function of the respiratory system? -
✔✔regulate blood Ca2+ levels
✔✔Which structure creates turbulent airflow in the respiratory tract in order to warm,
cleanse, and humidify the air? - ✔✔nassal conchae
✔✔The C-shaped rings of the trachea that provide support so that it doesn't collapse
during inhalation are made of: - ✔✔hyaline cartilage
✔✔The thyroid cartilage, glottis, and vestibular folds are all components of which
structure in the respiratory system? - ✔✔larynx
✔✔The left lung has ___ lobes and is _________ than the right lung - ✔✔2; narrower
✔✔Which one of the following is TRUE? - ✔✔terminal bronchioles are in the conducting
zone
✔✔Each lung is surrounded by a double-layered membrane called the ________. The
pressure in the space between the two membranes is __________ - ✔✔pleurae;
negative
✔✔Pneumothorax is when: - ✔✔air gets into the pleural space causing the lungs to
collapse
✔✔Which one of the following muscles contracts during quiet inspiration - ✔✔external
intercostals
✔✔The part of the central nervous system that serves as the pattern generator for
respiration is the - ✔✔ventral respiratory group (VRG)
✔✔Boyle's Law states that as: - ✔✔volume increase, pressure decreases
, ✔✔Air flows into the lungs during inspiration because the: - ✔✔pressure inside the
lungs decreases
✔✔Activation of the sympathetic nervous system (SNS) causes _____________, which
___________ air flow through the respiratory tract. - ✔✔bronchiodilation; increases
✔✔Newborn respiratory distress syndrome occurs because the - ✔✔Type II alveolar
cells have not starting making surfactant yet
✔✔Mary has the following vitals: residual volume = 1000 mL, dead space = 500 mL,
tidal volume = 700 mL, vital capacity = 2000 mL, breathing rate = 10 breaths/min. What
is Mary's minute ventilation rate? - ✔✔700 mL/min
✔✔The partial pressure of O2 in systemic arterial blood is approximately: - ✔✔95
mmHG
✔✔Ventilation-perfusion coupling occurs to maximize gas exchange. When there is
poor blood flow to a pulmonary capillary, which one of the following occurs? -
✔✔bronchioles in that area constrict
✔✔In the blood, the majority of oxygen is ______; and most carbon dioxide is
transported ______. - ✔✔bound to hemoglobin; as bicarbonate
✔✔When temperature increases, - ✔✔O2 unloading from Hb increases
✔✔Which one of the following describes the Haldane effect? - ✔✔Deoxygenated
hemoglobin has a higher affinity for CO2 than oxygenated hemoglobin
✔✔Which of the following puts the tissues in order from the lumen of the GI tract
outward? - ✔✔epithelium, submucosa, circular smooth muscle, myenteric nerve plexus,
longitudinal smooth muscle, serosa
✔✔During digestion, carbohydrates are broken down into _________, whereas proteins
are broken down into _________ - ✔✔monosaccharides; amino acids
✔✔Which one of the following helps prevent acid reflux? - ✔✔lower esophageal
sphincter
✔✔Increased SNS activity to the stomach will __________ peristalsis and
___________ gastric secretions. - ✔✔decrease; decrease
✔✔chief cells secrete gastrin - ✔✔false
ANSWERS RATED A+
✔✔Match the following structures or characteristics with the appropriate zone of the
respiratory tract. - ✔✔composed of smooth muscle and cartilage; bronchi
the first site of gas exchange; respiratory bronchioles
presence of mucociliary escalator and C-shaped cartilages; trachea
contains guard hair and mucus that traps particles; nose
contains vocal cords; larynx
create turbulent airflow; nasal conchae
double-layered membrane that covers lungs; pleurae
✔✔Which one of the following is NOT a function of the respiratory system? -
✔✔regulate blood Ca2+ levels
✔✔Which structure creates turbulent airflow in the respiratory tract in order to warm,
cleanse, and humidify the air? - ✔✔nassal conchae
✔✔The C-shaped rings of the trachea that provide support so that it doesn't collapse
during inhalation are made of: - ✔✔hyaline cartilage
✔✔The thyroid cartilage, glottis, and vestibular folds are all components of which
structure in the respiratory system? - ✔✔larynx
✔✔The left lung has ___ lobes and is _________ than the right lung - ✔✔2; narrower
✔✔Which one of the following is TRUE? - ✔✔terminal bronchioles are in the conducting
zone
✔✔Each lung is surrounded by a double-layered membrane called the ________. The
pressure in the space between the two membranes is __________ - ✔✔pleurae;
negative
✔✔Pneumothorax is when: - ✔✔air gets into the pleural space causing the lungs to
collapse
✔✔Which one of the following muscles contracts during quiet inspiration - ✔✔external
intercostals
✔✔The part of the central nervous system that serves as the pattern generator for
respiration is the - ✔✔ventral respiratory group (VRG)
✔✔Boyle's Law states that as: - ✔✔volume increase, pressure decreases
, ✔✔Air flows into the lungs during inspiration because the: - ✔✔pressure inside the
lungs decreases
✔✔Activation of the sympathetic nervous system (SNS) causes _____________, which
___________ air flow through the respiratory tract. - ✔✔bronchiodilation; increases
✔✔Newborn respiratory distress syndrome occurs because the - ✔✔Type II alveolar
cells have not starting making surfactant yet
✔✔Mary has the following vitals: residual volume = 1000 mL, dead space = 500 mL,
tidal volume = 700 mL, vital capacity = 2000 mL, breathing rate = 10 breaths/min. What
is Mary's minute ventilation rate? - ✔✔700 mL/min
✔✔The partial pressure of O2 in systemic arterial blood is approximately: - ✔✔95
mmHG
✔✔Ventilation-perfusion coupling occurs to maximize gas exchange. When there is
poor blood flow to a pulmonary capillary, which one of the following occurs? -
✔✔bronchioles in that area constrict
✔✔In the blood, the majority of oxygen is ______; and most carbon dioxide is
transported ______. - ✔✔bound to hemoglobin; as bicarbonate
✔✔When temperature increases, - ✔✔O2 unloading from Hb increases
✔✔Which one of the following describes the Haldane effect? - ✔✔Deoxygenated
hemoglobin has a higher affinity for CO2 than oxygenated hemoglobin
✔✔Which of the following puts the tissues in order from the lumen of the GI tract
outward? - ✔✔epithelium, submucosa, circular smooth muscle, myenteric nerve plexus,
longitudinal smooth muscle, serosa
✔✔During digestion, carbohydrates are broken down into _________, whereas proteins
are broken down into _________ - ✔✔monosaccharides; amino acids
✔✔Which one of the following helps prevent acid reflux? - ✔✔lower esophageal
sphincter
✔✔Increased SNS activity to the stomach will __________ peristalsis and
___________ gastric secretions. - ✔✔decrease; decrease
✔✔chief cells secrete gastrin - ✔✔false
