BIO 202 practice exam 5

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Aerobic respiration can produce around __________ ATP per glucose molecule and lactic acid fermentation produces __________ ATP.

32; 2

Which of the following events takes place during the absorptive state?

Glucose is converted into energy, glycogen, or fats.

Which of the following is an example of catabolism?

Glycolysis

Which of the following statements regarding swallowing is true?

In the pharyngeal phase, food is moved through the pharynx.

As electrons are passed down the electron-transport chain, their energy decreases with each step. Where does their energy go?

It is in the form of potential energy in the H+ concentration gradient.

Which of the following would inhibit normal movements of the tongue?

Lingual frenulum extending to tip of tongue

Which of the following is NOT a function of the small intestine?

Mastication of food

Which layer of the digestive tract is in direct contact with ingested food?

Mucosa

Which part of the pharynx is NOT involved with food transport?

Nasopharynx

What muscle forms the lips?

Orbicularis oris muscle

Which of the following is associated with the tongue?

Papillae and taste buds

Which of the following is NOT a type of propulsion in the digestive tract?

Segmental contraction

Which of the following is NOT a function of the stomach?

Segmental contractions

Which of the following organs is part of the digestive tract?

Stomach

Why doesn't the stomach digest itself?

The stomach wall is protected by large amounts of mucus.

The movement of food through the digestive is __________.

propulsion

The gain or loss of heat as infrared energy between two objects that are not in physical contact is __________.

radiation

A mixing contraction in the small intestine is called __________.

segmental contraction

Food is prevented from entering the nasal cavity during swallowing by the __________.

soft palate

Parasympathetic nerves extend to the digestive tract through the __________ nerve.

vagus


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