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A&P II Exam 3 > Metabolism > Flashcards

Metabolism Flashcards

1
Q

What is NOT required for glycolysis to occur?

ATP

enzymes

phosphate group

mitochondrion

A

What is NOT required for glycolysis to occur?

ATP

enzymes

phosphate group

mitochondrion

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2
Q

How many net ATP are produced as a result of glycolysis?

2 ATP

4 ATP

8 ATP

12 ATP

A

How many net ATP are produced as a result of glycolysis?

2 ATP

4 ATP

8 ATP

12 ATP

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3
Q

Carbon dioxide is formed during the electron transport chain (ETC).

True

False

A

Carbon dioxide is formed during the electron transport chain (ETC).

True

False

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4
Q

From which of the following are ketone bodies assembled during ketogenesis?

acetyl-CoA

glycerol

glucose

NADH

A

From which of the following are ketone bodies assembled during ketogenesis?

acetyl-CoA

glycerol

glucose

NADH

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5
Q

What two products can be generated from the transamination of an amino acid?

fatty acids and glycerol

a carbon skeleton and the amino acid glutamate

ketone bodies and glycerol

palmitic acid and fatty acids

A

What two products can be generated from the transamination of an amino acid?

fatty acids and glycerol

a carbon skeleton and the amino acid glutamate

ketone bodies and glycerol

palmitic acid and fatty acids

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6
Q

The process of storing glucose as glycogen is known as:

gluconeogenesis.

glycogenesis.

glycogenolysis.

glycolysis.

A

The process of storing glucose as glycogen is known as:

gluconeogenesis.

glycogenesis.

glycogenolysis.

glycolysis.

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7
Q

The majority of the body’s energy is stored as:

glycogen.

glucose.

triglycerides.

amino acids.

A

The majority of the body’s energy is stored as:

glycogen.

glucose.

triglycerides.

amino acids.

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8
Q

Feeding centers are located in the:

hypothalamus.

pons.

thalamus.

corpus callosum.

A

Feeding centers are located in the:

hypothalamus.

pons.

thalamus.

corpus callosum.

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9
Q

Thermoregulation involves a steady core body temperature near:

  1. 5 °C (99.5 °F)
  2. 7 °C (94.5 °F)
  3. 4 °C (95.7 °F)
  4. 0 °C (102.2 °F)
A

Thermoregulation involves a steady core body temperature near:

37.5 °C (99.5 °F)

  1. 7 °C (94.5 °F)
  2. 4 °C (95.7 °F)
  3. 0 °C (102.2 °F)
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10
Q

Calorimetry is used to measure the basal metabolic rate (BMR).

True

False

A

Calorimetry is used to measure the basal metabolic rate (BMR).

True

False

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11
Q

Substances that lose electrons are said to be:

synthesized.

reduced.

oxidized.

anabolized.

A

Substances that lose electrons are said to be:

synthesized.

reduced.

oxidized.

anabolized.

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12
Q

Which of the following is NOT true of glycolysis?

Four molecules of ATP are synthesized.

Glucose is split into two three-carbon pyruvate molecules.

Two molecules of ATP are spent.

Four molecules of NADH are spent.

A

Which of the following is NOT true of glycolysis?

Four molecules of ATP are synthesized.

Glucose is split into two three-carbon pyruvate molecules.

Two molecules of ATP are spent.

Four molecules of NADH are spent.

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13
Q

What molecule is both the starting compound and end result of the citric acid cycle?

succinate

pyruvate

citric acid

oxaloacetate

A

What molecule is both the starting compound and end result of the citric acid cycle?

succinate

pyruvate

citric acid

oxaloacetate

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14
Q

What part of a triglyceride undergoes β-oxidation?

fatty acids

glycogen

glycerol

glucose

A

What part of a triglyceride undergoes β-oxidation?

fatty acids

glycogen

glycerol

glucose

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15
Q

The release of urea in the urine is a mechanism for the body to rid itself of:

creatinine

fatty acids

ketone bodies

ammonia

A

The release of urea in the urine is a mechanism for the body to rid itself of:

creatinine

fatty acids

ketone bodies

ammonia

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16
Q

What molecule cannot be used for gluconeogenesis?

fatty acid

glycerol

glucogenic amino acids

pyruvate

A

What molecule cannot be used for gluconeogenesis?

fatty acid

glycerol

glucogenic amino acids

pyruvate

17
Q

The total amount of energy expended by the body to power all of its processes is called:

homeostasis.

the metabolic rate.

cellular respiration.

the basal metabolic rate.

A

The total amount of energy expended by the body to power all of its processes is called:

homeostasis.

the metabolic rate.

cellular respiration.

the basal metabolic rate.

18
Q

What part of the brain is involved in thermoregulation?

thalamus

midbrain

hypothalamus

pons

A

What part of the brain is involved in thermoregulation?

thalamus

midbrain

hypothalamus

pons

19
Q

A mutation has damaged the formation of oxaloacetate. What process will be impaired?

chemiosmosis

citric acid cycle

ATP synthase

electron transport chain

A

A mutation has damaged the formation of oxaloacetate. What process will be impaired?

chemiosmosis

citric acid cycle

ATP synthase

electron transport chain

20
Q

Under normal conditions, where should we expect to see most urea?

intracellular fluids

urine

extracellular fluids

blood

A

Under normal conditions, where should we expect to see most urea?

intracellular fluids

urine

extracellular fluids

blood

21
Q

When body temperature increases above the normal range, thermoreceptors in the skin and hypothalamus detect the increase in body temperature. The heat-loss center of the hypothalamus is activated, which sends signals to blood vessels and sweat glands. In response, blood vessels in the skin dilate and sweat glands release sweat.

Determine the part of this negative feedback loop that serves as the effector(s).

blood vessels and sweat glands

thermoreceptors

hypothalamus

body temperature

A

When body temperature increases above the normal range, thermoreceptors in the skin and hypothalamus detect the increase in body temperature. The heat-loss center of the hypothalamus is activated, which sends signals to blood vessels and sweat glands. In response, blood vessels in the skin dilate and sweat glands release sweat. Determine the part of this negative feedback loop that serves as the effector(s).

blood vessels and sweat glands

thermoreceptors

hypothalamus

body temperature

22
Q

Gluconeogenesis is the synthesis of glucose from noncarbohydrate precursors.

A

Gluconeogenesis is the synthesis of glucose from noncarbohydrate precursors.

A&P II Exam 3 (4 decks)

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