4. Which of the following substances is associated with Na+/K+ balance in the human body? a. Cortisol b. Cortisone c. Aldosterone d. Prednisolone 5. Which of the following statements concerning steroid hormones is correct? a. Some, but not all of them, are cholesterol derivatives. b. Some, but not all of them, are glucose derivatives. c. Some, but not all of them, are fatty acid derivatives. d. All of them are cholesterol derivatives 6. Which of the following statements concerning bile acids is incorrect? They are... a. Insoluble in water b. Emulsifying agents c. Cholesterol derivatives d. Conjugated with amino acids to form bile salts
Kindly answer numbers 4, 5 and 6
1. The
a. Cholesterol
b. Sphingosine
c. Arachidonic acid
d. Eicosapentanoic acids
2. Aspirin reduces inflammation and fever by inhibiting the formation of which of the following types of messenger lipids?
a. Prostaglandins; Thromboxanes
b. Thromboxanes; Prostaglandins
c. Leukotrienes; Thromboxanes
d. Progestins; Prostaglandins
3. Which of the following is a correct pairing of concepts?
a. Male sex hormones: androgens
b. Pregnancy hormones: estrogen
c. Female sex hormones: progestins
d. After menopause hormones: estradiol
4. Which of the following substances is associated with Na+/K+ balance in the human body?
a. Cortisol
b. Cortisone
c. Aldosterone
d. Prednisolone
5. Which of the following statements concerning steroid hormones is correct?
a. Some, but not all of them, are cholesterol derivatives.
b. Some, but not all of them, are glucose derivatives.
c. Some, but not all of them, are fatty acid derivatives.
d. All of them are cholesterol derivatives
6. Which of the following statements concerning bile acids is incorrect? They are...
a. Insoluble in water
b. Emulsifying agents
c. Cholesterol derivatives
d. Conjugated with amino acids to form bile salts
7. Which of the following statements concerning structural characteristics of bile acids is correct?
a. No hydroxyl groups are present
b. More hydroxyl groups are present than in cholesterol
c. Fewer hydroxyl groups are present than in cholesterol
d. Both have the same hydroxyl groups present w/ cholesterol
8. The biochemical function for the cholesterol present in cell membranes is
a. Cell recognition
b. Regulate membrane rigidity
c. Impart polarity to the interior membrane
d. Prevent tight packing of fatty acid chains
9. Which of the following membrane transport mechanism requires both the aid of proteins and the expenditure of cellular energy?
a. Water transport
b. Active transport
c. Passive transport
d. Facilitated transport
10. Which of the following types of membrane lipids has steroid structure?
a. Cholesterol
b. Globosides
c. Triacylglycerol
d. Sphingoglycolipids
11. Associated with severe hypertriglyceridemia
a. LDL predominantly increased
b. HDL is predominantly increased
c. VLDL and chylomicrons increased
d. VLDL increased; chylomicrons maybe increased
12. Which of the following statements concerning cholesterol is correct?
a. An alcohol
b. The cholesterol associated with LDL is often called good cholesterol
c. The lipoprotein HDL distributes cholesterol to various parts of the human body
d. The lipoprotein VLDL transport dietary cholesterol from intestine back to the liver
13. A 10-year old boy was evaluated for burning sensations in his feet and cluster of small, red- purple spots on his skin. Laboratory studies revealed protein in his urine. Enzymatic analysis revealed a deficiency of α-galactosidase, and enzyme replacement therapy was recommended. The most like diagnosis is:
a. Fabry disease
b. Farber disease
c. Gaucher disease
d. Krabbe disease
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