TEAS-SECTION-2 Online Practice Questions and Answers

The rate of a chemical reaction depends on all of the following except __________.

A. amount of mass lost

B. presence of catalysts

C. temperature

D. surface area

Which of these statements regarding the "oxygen debt" created during heavy exercise is true?

A. Oxygen debt is created due to build-up of acetic acid in the muscles, which needs a high level of oxygen to be oxidized.

B. Oxygen debt is created due to build-up of lactic acid in the muscles, which needs a high level of oxygen to be oxidized.

C. Oxygen debt is created due to build-up of lactic acid in the liver, which needs a high level of oxygen to be stored.

D. Oxygen debt is created due to build-up of lactic acid in the muscles, which needs a high level of carbon dioxide to be oxidized.

On each side of the body, the brachiocephalic veins are formed by the union of which two veins?

A. external jugular veins and subclavian veins

B. external jugular and internal jugular veins

C. common carotid and subclavian veins

D. internal jugular veins and subclavian veins

Which structure is not considered a part of the rib cage?

A. the thoracic vertebrae

B. costal cartilage

C. sternum

D. the lumbar vertebrae

Which of these is known as the pacemaker of the heart?

A. AV node

B. cardiac plexus (nerve fibers)

C. SA node

D. muscle fibers of the atria

Which element is essential for the normal production of the hormone thyroxine?

A. phosphorus

B. iodine

C. calcium and vitamin D

D. magnesium

Which of these is an example of protein-related malnutrition?

A. scurvy

B. kwashiorkor

C. rickets

D. anemia

Which pyrimidine base is only found in RNA?

A. adenine

B. uracil

C. cytosine

D. guanine

Which of these represents the correct order of some of the main energy changes that take place in a coal-fired power station?

A. chemical, heat, kinetic, electrical

B. kinetic, heat, electrical, chemical

C. chemical, electrical, heat, kinetic

D. heat, chemical, kinetic, electrical

The attached diagram shows four varieties of one type of tissue.

Name the type of tissue and the four varieties.

A. connective: adipose, blood, areolar, and bone

B. epithelial: transitional, stratified, columnar, and cuboidal

C. nervous: grey matter, white matter, dendritic, and ganglion

D. connective: adipose, cardiac, transitional, and bone

The autonomic nervous system can be divided into two branches.

What are they?

A. sympathetic and nervous

B. sympathetic and parasympathetic

C. central and peripheral

D. central and somatic

What set of signals is the vagus nerve responsible for conveying?

A. signals from the eye

B. signals from the jaw

C. balance signals from the inner ear

D. signals from abdominal organs

What name is given to the space between the axon of one neuron and the dendrite of the next?

A. the band gap

B. nerve impulse

C. the neurotransmitter

D. the synapse

Which of these is not regulated by the parasympathetic nervous system?

A. increased glandular activity

B. slowed heart rate

C. increased intestinal activity

D. constricted blood vessels

What does the sympathetic portion of the autonomic nervous system control?

A. breathing

B. the "fight or flight" response to threats

C. shivering when cold

D. swallowing