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TLS Online TPP Program

#Question id: 27501

Which of the following statements regarding the reducing ability of a sugar is wrong?

#Unit 1. Molecules and their Interaction Relevant to Biology

  1. The aldehyde group of a saccharide is responsible for its reducing properties.

  2. Ketoses are not reducing sugars because they are not aldehydes.

  3. D-Glucose in predominantly in a cyclic hemiacetal form but it is a reducing sugar through the acyclic form with which the hemiacetal is in equilibrium.

  4. A methyl glucoside is not a reducing sugar.
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TLS Online TPP Program

#Question id: 22960

#Unit 7. System Physiology – Animal

What are the types of cells found in parathyroid gland?
TLS Online TPP Program

#Question id: 22959

#Unit 7. System Physiology – Animal

The hormone that regulates the concentration of calcium & phosphorus in ECF:
TLS Online TPP Program

#Question id: 20269

#Unit 7. System Physiology – Animal

The antidiuretic hormone (ADH) originates primarily in the supraoptic nuclei of the hypothalamus, which of the following statement is FALSE regarding ADH?
TLS Online TPP Program

#Question id: 20270

#Unit 7. System Physiology – Animal

Oxytocin is formed primarily in the paraventricular nuclei of the hypothalamus. Which of the following statement is FALSE regarding oxytocin?
TLS Online TPP Program

#Question id: 20271

#Unit 7. System Physiology – Animal

Nephrogenic diabetes insipidus is treated with thiazide diuretics. The usefulness of thiazide diuretics in treating nephrogenic diabetes insipidus is explained as follows:
a. Thiazide diuretics inhibit Na+ reabsorption in the early distal tubule. By preventing dilution of the urine at that site, the final, excreted urine is less dilute.
b. Thiazide diuretics decrease glomerular filtration rate; because less water is filtered, less water is excreted.
c. Thiazide diuretics, by increasing Na+ excretion, can cause a secondary ECF volume contraction.
Which one of the following combination of above statements is correct?
TLS Online TPP Program

#Question id: 20272

#Unit 7. System Physiology – Animal

The factors that stimulate or inhibit the secretion of ADH by the posterior pituitary are:
a. Pain, nausea, hypoglycemia, and various drugs all inhibit the secretion of ADH. 
b. Pain, nausea, hypoglycemia, and various drugs all stimulate the secretion of ADH. 
c. Ethanol, α-adrenergic agonists, and atrial natriuretic peptide inhibit secretion of ADH.
d. Nicotine, opiates, antineoplastic agents stimulate the secretion of ADH. 
Which one of the following combinations of above statements is correct?