EXAM 2025 WITH MULTIPLE CHOICE OF
QUESTIONS AND DETAILED SOLVED
SOLUTIONS ALREADY GRADED A+ AND 100%
GUARANTEE PASS (BRAND NEW!!!!!)
During swallowing the opening into the larynx is covered by the
__________________
a. thyroid cartilage
b. epiglottis
c. cricoid cartilage
d. arytenoid cartilage
e. the "Adam's apple" - CORRECT ANSWER-b. epiglottis
Gas exchange between the air in the lungs and the blood takes
place in the _____________
a. alveoli
b. primary bronchi
c. terminal bronchioles
d. trachea
e. respiratory bronchi - CORRECT ANSWER-a. alveoli
oxygenated blood is carried to the tissues of the lungs via the
_____________
,a. pulmonary veins
b. bronchial arteries
c. pulmonary artery
d. abdominal aorta
e. pleural arteries - CORRECT ANSWER-c. pulmonary artery
during expiration, the alveolar pressure must be
_______________
a. less than atmospheric pressure
b. equal to atmospheric pressure
c. greater than atmospheric pressure
d. greater than pleural pressure
e. none of these are correct - CORRECT ANSWER-c. greater than
atmospheric pressure
hyperventilation ___________ plasma CO2 levels which
_____________ plasma pH
a. decreases, decreases
b. increases, decreases
c. increases, increases
d. decreases, increases - CORRECT ANSWER-hyperventilation
DECREASES plasma CO2 levels which INCREASES plasma pH
(d. decreases, increases)
the largest division of each lung are _______________
which are divided into ____________________
a. lobules, segments
, b. segments, lobules
c. lobes, lobules
d. segments, lobes
e. lobes, segments - CORRECT ANSWER-the largest division of each
lung are SEGMENTS which are divided into LOBES
(d. segments, lobes)
one of the functions of the respiratory system is to alter the
levels of carbon dioxide in the blood; thus regulating
__________.
a. blood glucose levels
b. O2 levels
c. blood pressure
d. blood pH
e. blood volume - CORRECT ANSWER-d. blood pH
which lung has three lobes in humans? - CORRECT ANSWER-right
lung
(superior, middle, inferior)
which lung has two lobes in humans? - CORRECT ANSWER-left lung
(superior, inferior)
what are the functions of the small intestine? - CORRECT ANSWER-1.
absorption of nutrients (main function)
2. digestion