TLS Online TPP Program

#Question id: 11542


Different body cells can respond differently to the same polypeptide hormones because ________.

#SCPH28 | Zoology
  1. different target cells have different sets of genes
  2. a target cell's response is determined by the components of its signal transduction pathways
  3. the circulatory system regulates responses to hormones by routing the hormones to specific targets
  4. the hormone is chemically altered in different ways as it travels through the circulatory system
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TLS Online TPP Program

#Question id: 11754

#SCPH28 | Zoology

Use the following clinical laboratory test results:

Urine flow rate = 1 ml/min

Urine inulin concentration = 100 mg/ml

Plasma inulin concentration = 2 mg/ml

Urine urea concentration = 50 mg/ml

Plasma urea concentration = 2.5 mg/ml

What is the net urea reabsorption rate?

TLS Online TPP Program

#Question id: 11755

#SCPH28 | Zoology

Which of the following solutions when infused intravenously would result in an increase in extracellular fluid volume, a decrease in intracellular fluid volume, and an increase in total body water after osmotic equilibrium?

TLS Online TPP Program

#Question id: 11756

#SCPH28 | Zoology

A 65-year-old man has a heart attack and experiences cardiopulmonary arrest while being transported to the emergency room. The following laboratory values are obtained from arterial blood:

plasma pH = 7.12,

plasma PCO2 = 60mm Hg, and

plasma HCO3− concentration = 19 mEq/L.

Which of the following best describes his acid-base disorder?

TLS Online TPP Program

#Question id: 11757

#SCPH28 | Zoology

Which of the following tends to decrease potassium secretion by the cortical collecting tubule?

TLS Online TPP Program

#Question id: 11758

#SCPH28 | Zoology

In normal kidneys, which of the following is true of the osmolarity of renal tubular fluid that flows through the early distal tubule in the region of the macula densa?

TLS Online TPP Program

#Question id: 11797

#SCPH05 I Biotechnology

A living cytoplasmic connection penetrate the walls between sieve tube elements and their companion cells; which are often complex and branched on the companion cell side, known as