CABT Anatomy, Physiology & Medical Terminology 3 — Questions and Answers
Question 1: What does the medical abbreviation 'NPO' mean?
- Normal pulse oximetry
- Nothing by mouth (Correct answer)
- No prior operations
- Neurological physical observation
Correct answer: Nothing by mouth
NPO stands for 'nil per os,' a Latin phrase meaning nothing by mouth, used before procedures or surgery.
Question 2: Which anatomical plane divides the body into left and right halves?
- Frontal (coronal) plane
- Transverse (horizontal) plane
- Sagittal plane (Correct answer)
- Oblique plane
Correct answer: Sagittal plane
The sagittal plane divides the body into left and right portions; the midsagittal plane divides it into equal halves.
Question 3: The femur articulates proximally with which structure?
- Tibia
- Fibula
- Acetabulum of the pelvis (Correct answer)
- Patella
Correct answer: Acetabulum of the pelvis
The head of the femur fits into the acetabulum of the hip bone, forming the hip joint.
Question 4: Which combining form refers to the kidney?
- Hepat/o
- Nephr/o (Correct answer)
- Gastr/o
- Cholecyst/o
Correct answer: Nephr/o
'Nephr/o' is the combining form for kidney, used in words like nephrology and nephritis.
Question 5: The process by which the body maintains a stable internal environment is called:
- Metabolism
- Homeostasis (Correct answer)
- Catabolism
- Anabolism
Correct answer: Homeostasis
Homeostasis is the tendency of the body to maintain stable internal conditions despite external changes.
Question 6: Which organ system is primarily responsible for gas exchange?
- Cardiovascular system
- Digestive system
- Respiratory system (Correct answer)
- Lymphatic system
Correct answer: Respiratory system
The respiratory system facilitates the exchange of oxygen and carbon dioxide between the body and environment.
Question 7: What is the term for the double-layered membrane surrounding the heart?
- Pleura
- Peritoneum
- Pericardium (Correct answer)
- Perichondrium
Correct answer: Pericardium
The pericardium is the fibrous sac enclosing the heart, consisting of two layers that reduce friction.
CABT Anatomy, Physiology & Medical Terminology 3
What does the medical abbreviation 'NPO' mean?