HESI A2 Grammar

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What is the purpose of the systemic circuit of the human body?q

To supply the body with oxygen rich blood

Secretions from the _____, called _____, neutralize acid from the stomach in the small intestine

Pancreas, bicarbonate

What forms must carbohydrates and proteins take to be absorbed by the small intestine?

monosaccharides and amino acids

When does maximum secretion of hydrochloric acid and pepsinogen in the stomach occur?

After food has already entered the stomach.

The best definition of an organ system is:

An organ system is a group of anatomical structures that work together to perform a specific task or function

If a sample of blood is deoxygenated, where is it likely to be found in the circulatory system of the human body?

At the beginning of the pulmonary circuit

How is digesting food moved along the small intestine?

By peristalsis, which is the contraction of the smooth muscle to push food forward

Which of the following is not included within the integumentary system?

Cartilage

Which of the following is not a function of hydrochloric acid in gastric juice?

Digest the mucous layer covering the epithelium

Which of the following groups of structures belongs to the digestive system?

Esophagus, liver, gallbladder, cecum

The muscular valve at the bottom of the stomach that controls the flow of partially digested food into the small intestine is known as the:

Pyloric sphyincter

What is the job of the human body's pulmonary circuit?

The job of the pulmonary circuit is to carry blood to the lungs to pick up oxygen and release carbon dioxide.

The circulation of blood from the right side of the human heart to the lungs and back to the heart completes which circuit?

The pulmonary circuit

Digest the mucous layer covering the epithelium?

They are both digestive enzymes

Which of the following does the large intestine most likely absorb in digestion?

Water

An inactive precursor of an enzyme that must go through a change to be activated is known as a(n) _____.

Zymogen

What is one reason that enzymes are present in the small intestine?

to break down protein into amino acids


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