QUICK MEMORY CHECK

Respiratory and Digestive system

Thoracic cage ribs

7 true + 3 false + 2 floating

Sternum + ribs 1–6 → ↑ A/P diameter

Pump handle

Ribs 7–10 → ↑ lateral diameter

Bucket handle

Ribs 8–12 → ↑ transverse diameter

Caliper

Diaphragm → ↑ vertical dimension

Piston

3 lobes (Which lung?)

Right lung

2 lobes + cardiac notch (Which lung?)

Left lung

Two main bronchi: right and left Alveolar gas exchange

Primary bronchi

are the main thin exchange surface

Type I alveolar cells

Produced by type II alveolar cells

Surfactant

TV / IRV / ERV / RV

500 / 3000 / 1000 / 1500 mL

IC / FRC / VC / TLC

3500 / 2500 / 4500 / 6000 mL

ABG respiratory component₂

PaCO

ABG metabolic component

HCO₃⁻

Small intestine

Duodenum 10 in; jejunum 3 ft; ileum 6 ft

Salivary glands

Parotid, submandibular, sublingual

ENS

= motility;

Auerbach

RUQ

Right kidney, liver, gallbladder, pancreas head/neck

ENS

= secretions

Meissner