Question 1

Which hormone is released from the posterior pituitary and is responsible for stimulating uterine contractions during childbirth?

Accepted Answer

Oxytocin

Question 2

A patient presents with high blood calcium levels. Which hormone is most likely under-secreted?

Accepted Answer

Calcitonin

Question 3

Which of the following best describes the primary function of aldosterone?

Accepted Answer

Regulation of sodium and water balance

Question 4

Which equation correctly represents the process of cellular respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + ATP$$

Question 5

A person is experiencing rapid, shallow breathing. Which of the following is a likely consequence?

Accepted Answer

Respiratory alkalosis due to decreased $$CO_2$$

Question 6

Which law explains the movement of gases between alveoli and blood based on partial pressures?

Accepted Answer

Dalton's Law

Question 7

Which of the following best describes the role of surfactant in the lungs?

Accepted Answer

Decreases surface tension to prevent alveolar collapse

Question 8

Which of the following is a correct sequence for the passage of air from the external environment to the alveoli?

Accepted Answer

Pharynx → Larynx → Trachea → Bronchi → Bronchioles → Alveoli

Question 9

Which enzyme is responsible for the breakdown of carbohydrates in the mouth?

Accepted Answer

Salivary amylase

Question 10

A patient has a blockage in the common bile duct. Which process will be most directly affected?

Accepted Answer

Fat emulsification in the small intestine

Question 11

Which of the following best describes the process of phosphorylation of ADP?

Accepted Answer

ADP is converted to ATP by the addition of a phosphate group

Question 12

Which of the following is a product of glycolysis?

Accepted Answer

Pyruvate

Question 13

Which of the following best describes the fate of excess glucose in the body?

Accepted Answer

It is converted to glycogen and stored in the liver and muscles

Question 14

Which of the following is NOT a function of the liver in metabolism?

Accepted Answer

Insulin secretion

Question 15

Which of the following best describes the process of deamination?

Accepted Answer

Removal of an amino group from an amino acid

Question 16

Which of the following is a correct description of the absorptive state?

Accepted Answer

Nutrients are being absorbed and stored

Question 17

Which hormone is primarily responsible for lowering blood glucose levels after a meal?

Accepted Answer

Insulin

Question 18

Which of the following is a correct equation for the net ATP yield from one glucose molecule during aerobic respiration?

Accepted Answer

$$C_6H_{12}O_6$ + 6O_2 \rightarrow 6CO_2 + 6H_2O + 36ATP$$

Question 19

Which of the following best describes the role of the large intestine in digestion?

Accepted Answer

Absorption of water and electrolytes

Exam 2 Review: Endocrine, Respiratory, Digestive, and Metabolic Systems

Study Guide - Practice Questions