s
What is the name of the structure that prevents food from entering the airway?
a) trachea
b) esophagus
c) diagram
d) epiglottis
(Test 1) - Answer : : -d) epiglottis
"the epiglottis covers the trachea during swallowing, thus preventing food
from entering the airway"
?= aka the windpipe
- is a cylindrical portion of the respiratory tract that joins the larynx
with the lungs (Test 1) - Answer : : -Trachea
?= connects the throat to the stomach
- when someone swallows, this contracts to force the food down into the
stomach
- like other structures in the respiratory system, this structure
secretes mucus for lubrication
(Test 1) - Answer : : -Esophagus
Which substance makes up the pads that provide support between the
vertebrae?
a) bone
,b) cartilage
c) tendon
d) fat
(Test 1) - Answer : : -b) cartilage
Where is the parathyroid gland located?
a) neck
b) back
c) side
d) brain
(Test 1) - Answer : : -a) neck
Which element w/in the respiratory system is responsible for removing
foreign matter from the lungs?
,a) bronchial tubes
b) cilia
c) trachea
d) alveoli
(Test 1) - Answer : : -b) cilia
(READ STARRED BULLET POINT****)
- the cilia are the tiny hairs in the respiratory system that are responsible
for removing foreign matter from the lungs
**the cilia are located within the BRONCHIAL TUES, BUT it is the cilia that
have the responsibility for removing inappropriate materials b4 they enter the
lungs**
Organized from high to low, the hierarchy of the human body's structure is as
follows: organism, organ system, organs, tissues
Which of the following comes next?
a) molecules
b) atoms
c) cells
d) muscle
(Test 1) - Answer : : -d) cells
after cells comes molecules & then atoms
On average, how many neutrons does one atom of bromine
(Br) have? NOTE:
- atomic #= 35
- atomic mass= 79.9
, a) 35
b) 44.90
c) 45
d) 79.90
(Test 1) - Answer : : -b) 44.90
to determine the number of neutrons (n), subtract the atomic number (35)
from the atomic mass (79.9)
79.9 - 35 = 44.90
On average, how many protons does one atom of zinc (Zn)
have? NOTE:
- atomic # = 30
- atomic mass = 65.39
a) 30