Font size
WorksheetsPre Continuous Assessment GCSF 2013
Total questions: 10
Worksheet time: 5mins
MATRIC NO
IC NO
Homeostasis is a process
a process such as blood clotting.
composed of the receptor, control center, and effector.
to change the body to suit the outer environment.
only about negative feedback on the human system.
Negative feedback
Occurs short term till the stimulus ends.
Effector responds by strengthening stimulus.
Corrects set point to prevent sudden & serious changes.
Causes temporary instability / disorder necessary to survive.
The organic molecules in the cell membrane that form pores and receptor sites for hormones are:
proteins
cholesterol
phospholipids
carbohydrates
Which two compounds are important for energy storage in the body?
DNA and cellulose
glycogen and true fats
glucose and cholesterol
proteins and phospholipids
The layer of the epidermis found primarily on the palms of the hands and the soles of the feet is
stratum basale.
stratum lucidum.
stratum corneum.
stratum spinosum.
A person with type B positive blood receives a transfusion of type AB positive blood. What will happen?
The donor’s antigens will destroy the recipient’s antibodies.
The recipient’s antibodies will react with the donor’s red blood cells.
These blood types are compatible, and the transfusion will be accepted.
The donor’s antibodies will react with and destroy all of the recipient’s red blood cells.
What is the definition of stroke volume in cardiac output?
Number of stroke in a minute.
Number of heartbeats in a minute.
The volume of blood pumped by the ventricle in one heartbeat.
The blood volume pumped by the left ventricle to the aorta within a minute.
What is the characteristic of veins?
Consist of four layers.
The outer layer contain elastic tissue.
The inner layer is made up of endothelial layer.
The middle layer is made up of smooth muscle.
