TEAS 6 Science Practice Questions with Complete Rationales
What causes osteoporosis? - ANS: A disease that causes brittle bones fragile bones. A
... [Show More] decrease in the osteoblast activity and normal osteoclast activity.
Autonomic sympathetic system is responsible for what? - ANS: Regulating involuntary body functions such as heartbeat, blood flow, breathing, and digestion. Fight or Flight Response
What is the function of a neuron? - ANS: To process and transmit information, creating electrical impulse
What is the function of myelin sheath? - ANS: To protect the neuron, provide insulation, and increase the speed of impulse transmission
Where are blood cells made? - ANS: Bone marrow
What produces antibodies? - ANS: Plasma cells (differentiated from white blood cells called B lymphocytes also called B cells)
A person who is sick may have? - ANS: Increase in white blood cells
What attacks an antigen? - ANS: Antibodies
What is an example of a disease where the immune system attacks itself? - ANS: Multiple sclerosis (autoimmune disease)
What are the pores in the nuclear envelope used for? - ANS: Transport molecules between cytoplasm
What organelle transports energy that comes from food? - ANS: Mitochondria
What gland produces FSH? - ANS: Anterior Pituitary
What gland produces TSH? - ANS: Anterior Pituitary
What are the two major parts of the nervous system? - ANS: CNS/PNS (Central and Peripheral)
What produces bile? - ANS: Liver
Where is urine stored? - ANS: Bladder
What is active immunity? - ANS: Vaccinations
What is the job of the circulatory system? - ANS: To transport endocrine hormones.
Bone Healing: formation: - ANS: 1. remodeling Hematoma forms. 2. Fibrocartilage callus formation 3. Bony callus forms 4. Bone remodeling occurs compact bone lay down
Where does fertilization begin? - ANS: End of the fallopian tube
Where does meiosis occur? - ANS: Ovaries
Which of the following endocrine system glands is responsible for controlling an individual's metabolism? - ANS: Thyroid gland
The parathyroid gland is an endocrine system gland located behind the thyroid gland. What does the parathyroid gland help the body control? - ANS: Calcium and phosphorous levels
What does the body make when in the sunlight? - ANS: Vitamin D
What method does the lungs use to diffuse 02 and CO2? - ANS: Simple diffusion against concentration gradient
What protects the skin from UV? - ANS: Melanin
Which hormone decreases glucose level? - ANS: Insulin Beta cell
What happens when alveoli is damaged? - ANS: Can't provide gas exchange, may cause emphysema [Show Less]