Question 1

What is meant by the term ketoacidosis?

Accepted Answer

The answer of What is meant by the term ketoacidosis?...

Question 2

Insulin resistance is __________.

Accepted Answer

A)  a risk factor for Type I diabetes 
B)  a risk factor for Type II diabetes 
C)  caused by excessive production of ANF 
D)  Associated with damage to the adrenal gland 
E)  None of the above are correct.

Question 3

Dieters frequently fast in an attempt to reduce their weight. During these fasts, they often lose considerable muscle mass rather than fat. Explain.

Accepted Answer

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Question 4

What is a phorbol ester?

Accepted Answer

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Question 5

What is meant by the term GLUT4?

Accepted Answer

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Question 6

The biological effects of atrial natriuretic factor appear to be mediated by __________.

Accepted Answer

A)  cAMP 
B)  cGMP 
C)  PIP2 
D)  AG 
E)  IP3

Question 7

Which of the following molecules is a second messenger?

Accepted Answer

A)  TSH 
B)  cGMP 
C)  Proline 
D)  Calcium 
E)  Both B and D are correct.

Question 8

Urea synthesis is the responsibility of which organ of the body?

Accepted Answer

A)  Kidney 
B)  Liver 
C)  Intestine 
D)  Stomach 
E)  Lung

Question 9

The brain consumes about __________% of the body's energy.

Accepted Answer

A)  10 
B)  20 
C)  30 
D)  40 
E)  50

Question 10

Hemoglobin molecules exposed to high levels of glucose are converted to glycated products. The most common, referred to as hemoglobin A_1c (HbA_1c), contains a F1F1F1S1F1F1F10 chain glycated adduct. Because red blood cells last about 3 months, HbA_1c concentration is a useful measure of a patient's blood sugar control. In general terms describe why and how HbA_1c forms.

Accepted Answer

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Question 11

What is a tumor promoter?

Accepted Answer

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Question 12

During periods of fasting some muscle protein is depleted. How is this process initiated, and what happens to the amino acids in the proteins?

Accepted Answer

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Question 13

Skeletal muscle cannot synthesize fatty acids yet it produces the enzyme acetyl-CoA carboxylase. Explain the role of this enzyme.

Accepted Answer

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Question 14

28 The organ responsible for the regulation of blood pH is __________.

Accepted Answer

A)  liver 
B)  kidney 
C)  intestine 
D)  brain 
E)  stomach

Question 15

Receptor tyrosine kinases are transmembrane receptors that bind ligands such as __________.

Accepted Answer

A)  insulin 
B)  epidermal growth factor 
C)  platelet derived growth factor 
D)  insulin-like growth factor 
E)  All of the above are correct.

Question 16

Which of the following molecules do GPCRs not respond to?

Accepted Answer

A)  Catecholamines 
B)  Oxytocin 
C)  Light 
D)  Dopamine 
E)  Insulin

Question 17

List three examples of steroid transport proteins.

Accepted Answer

The answer of List three examples of steroid transport proteins....

Question 18

Animals employing several mechanisms to prevent excessive hormone action and release. Examples include which of the following?

Accepted Answer

A)  Genetic regulation 
B)  Feedback inhibition 
C)  Desensitization 
D)  Down regulation 
E)  All of the above are true.

Question 19

In animals, the vast majority of water-soluble hormones are __________.

Accepted Answer

A)  peptides 
B)  steroids 
C)  polypeptides 
D)  carbohydrates 
E)  Both A and C are correct.

Question 20

Leptin is secreted by which of the following tissues?

Accepted Answer

A)  Brain 
B)  Liver 
C)  Adipose tissue 
D)  Muscle 
E)  Gastrointestinal tract

Exam 16: Integration of Metabolism