Deck 5: Digestion and Absorption

Question 1

Which of the following is referred to as biologically usable energy or energy currency?

A) Creatine phosphate (CP)
B) Adenosine triphosphate (ATP)
C) Glucose
D) Oxygen

Answer 1

B

Question 2

During cellular respiration, chemical energy stored in foods is transformed into

A) light energy and heat energy
B) mechanical energy and nuclear energy
C) electrical energy and light energy
D) heat energy and mechanical energy

Answer 2

D

Question 3

Which of the following is not true regarding ATP?

A) ATP serves as the body's energy currency
B) ATP is the only form of energy used directly to support various bodily functions
C) ATP can be re-synthesized via energy systems using carbohydrate and fat
D) The body can store unlimited amounts of ATP for use during exercise

Answer 3

D

Question 4

Which of the following by-products will be produced when fat oxidation occurs in a low-carbohydrate environment?

A) Urea
B) Ketone
C) Glycerol
D) Creatine

Question 5

ATP-CP or the phosphagen system is the energy system that uses energy stored in

A) CP to convert ADP to ATP
B) ATP to convert ADP to CP
C) ADP to convert CP to ATP
D) glucose to convert ADP to ATP

Question 6

Which of the following means an anaerobic energy system?

A) Glycogenesis
B) Glycolysis
C) Gluconeogenesis
D) Glycogenolysis

Question 7

Chemical reactions involved in anaerobic glycolysis

A) require oxygen
B) occur in cytoplasm outside of mitochondria
C) produce large amounts of ATP
D) have water and carbon dioxide as end-products

Question 8

The major by-product of anaerobic glycolysis is

A) lactic acid
B) acetyl-CoA
C) water
D) carbon dioxide

Question 9

Which of the following represents a correct order from fastest to slowest in terms of the rate at which ATP is generated?

A) ATP-CP system → aerobic system → anaerobic glycolysis
B) anaerobic glycolysis → aerobic system → ATP-CP system
C) ATP-CP system → anaerobic glycolysis → aerobic system
D) aerobic system → anaerobic glycolysis → ATP-CP system

Question 10

The cellular location where the oxidative system operates is

A) endoplasmic reticulum
B) cell nucleus
C) mitochondria
D) cytoplasm