#1
Which type of body membrane lines cavities that open to the outside of the body?
Mucous membrane
ExplanationLines cavities opening to exterior, such as digestive and respiratory tracts.
#2
Which type of membrane lines body cavities that do not open to the exterior and covers the organs located in those cavities?
Serous membrane
ExplanationCovers internal body cavities and their organs, excluding exterior.
#3
Which type of fluid is found in the joint cavities and is responsible for reducing friction between the articulating surfaces of bones?
Synovial fluid
ExplanationLubricant in joint spaces, minimizing bone friction.
#4
Which membrane covers the external surface of the lungs?
Pleural membrane
ExplanationCovers outer surface of lungs, aiding respiration.
#5
Which type of membrane lines the digestive and respiratory tracts, as well as other body cavities open to the exterior?
Mucous membrane
ExplanationLines internal body cavities open to exterior, aiding secretion.
#6
What is the primary function of synovial fluid in joints?
To reduce friction between joint surfaces
ExplanationMinimizes friction, aiding smooth joint movement.
#7
Which of the following is an example of a serous membrane?
Pericardium
ExplanationA protective membrane surrounding the heart.
#8
What is the primary role of the cutaneous membrane?
To cover and protect the body surface
ExplanationForms the outermost protective layer of the body.
#9
In which body cavity would you find the peritoneal membrane?
Abdominal cavity
ExplanationLining the abdominal cavity and covering its organs.
#10
What is the primary function of the pericardial membrane in the heart?
To reduce friction during heart contractions
ExplanationDecreases friction during cardiac contractions.
#11
What is the purpose of the pleural membranes in the thoracic cavity?
To reduce friction during breathing
ExplanationMinimizes friction, facilitating breathing.
#12
Which body fluid is responsible for maintaining cell shape and transporting nutrients?
Intracellular fluid
ExplanationFluid inside cells, vital for cell structure and nutrient transport.
#13
What is the function of cerebrospinal fluid (CSF) in the central nervous system?
To cushion and protect the brain and spinal cord
ExplanationActs as a shock absorber and protects CNS structures.
#14
Which type of membrane is associated with joints and provides a smooth surface for movement?
Synovial membrane
ExplanationLines joint cavities, ensuring smooth movement.
#15
What is the primary function of the amniotic fluid during pregnancy?
To protect and cushion the developing fetus
ExplanationProvides a protective environment for the fetus.