Questions and Answers A+ Guide
Anatomical Position - correct answers✅✅The erect position of the body
with the face directed forward, the arms at the side, and the palms of the
hands facing forward, used as a reference in describing the relation of body
parts to one another.
Anatomical planes - correct answers✅✅1. coronal (vertical cut into front
and back halves)
2. transverse (horizontal cut into upper and lower)
3. sagittal (vertical cut into left and right halves)
breathing vs ventilation - correct answers✅✅breathing is for brining O2
into lungs,
ventilation is the echange of 02 for CO2
ventilation causes diaphragm and muscles to increase volume of lungs but
causes what? - correct answers✅✅pressure inside lung to decrease,
causing air to enter
normal amount of air breathed in and out during normal breathe is called -
correct answers✅✅tidal volume
residual volume - correct answers✅✅Amount of air remaining in the lungs
after a forced exhalation
Total Lung Capacity (TLC) - correct answers✅✅maximum amount of air
contained in lungs after a maximum inspiratory effort
Inspiratory Reserve Volume (IRV) - correct answers✅✅Amount of air that
can be forcefully inhaled after a normal tidal volume inhalation
,ATI teas Study manual 2025-2026
Questions and Answers A+ Guide
lung compliance - correct answers✅✅expansibility of the lung
what condition causes increase lung compliance? - correct
answers✅✅Emphysema
how does the medulla control respiration - correct answers✅✅monitors
pH and CO2 levels
if pH decrease, will respiration rates increase or decrease? Why? - correct
answers✅✅increase, needs to exchange more gas bc there is a lot of CO2
Path air takes: - correct answers✅✅Nasal opening -> nasal cavity -
>pharynx ->primary bronchi -> bronchioles ->alveoli("grapes")
Type II alveolar cells secrete ________.; function? - correct
answers✅✅surfactant(lipoprotein), reduces surface tension
heart location, and causes what lung to be SMALLER? - correct
answers✅✅mediastinum, left lung smaller
how many lobes in each lung - correct answers✅✅Left: 2
Right: 3
tough, protective membrane called what protects the lungs - correct
answers✅✅pleura
passive transport used in the lungs - correct answers✅✅diffusion
, ATI teas Study manual 2025-2026
Questions and Answers A+ Guide
rate of diffusion in lungs is proportional to; inversely proportional? - correct
answers✅✅surface area and concentration; distance
Asthma - correct answers✅✅narrowed ait pathways
what system circulates and filters interstitial fluids between cells and
eventually drains into the circulatory system. - correct answers✅✅
systole vs diastole - correct answers✅✅systole (contraction): AV valves
close, ventricles contract, "lub"
diastole (relaxation): ventricles fill up, semilunar valves close, "dub"
The contractions of the heart are synchronized and regulated by the
pacemaker of the heart,called the - correct answers✅✅sinoatrial valve
two main types of white blood cells - correct answers✅✅granulocytes and
agranulocytes
Granulocytes - correct answers✅✅neutrophils, eosinophils, basophils
Agranulocytes - correct answers✅✅lymphocytes and monocytes
lymph nodes function and location - correct answers✅✅function as a filter
with white blood cells for pathogens, enriched areas are seen in oral nasal
and genital regions