TLS Online TPP Program

#Question id: 58


A covalent chemical bond is one in which ________.

#Unit 1. Molecules and their Interaction Relevant to Biology
  1. electrons are removed from one atom and transferred to another atom so that the two atoms become oppositely charged

  2. protons and neutrons are shared by two atoms so as to satisfy the requirements of both atoms

  3. outer-shell electrons of two atoms are shared so as to satisfactorily fill their respective orbitals

  4. outer-shell electrons of one atom are transferred to fill the inner electron shell of another atom

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TLS Online TPP Program

#Question id: 11755

#Unit 7. System Physiology – Animal

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: 11757

#Unit 7. System Physiology – Animal

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

TLS Online TPP Program

#Question id: 11758

#Unit 7. System Physiology – Animal

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: 11903

#Unit 7. System Physiology – Animal

If a patient has a creatinine clearance of 90 ml/min, a urine flow rate of 1 ml/min, a plasma K+ concentration of 4 mEq/L, and a urine K+ concentration of 60 mEq/L, what is the approximate rate of K+ excretion?

TLS Online TPP Program

#Question id: 11906

#Unit 7. System Physiology – Animal

Which of the following changes would you expect to find after administering a vasodilator drug that caused a 50% decrease in afferent arteriolar resistance and no change in arterial pressure?

TLS Online TPP Program

#Question id: 11910

#Unit 10. Ecological Principles

During succession species that colonize in early seral stages tend to have different life-history characteristics than those that colonize in later seral stages ;

A) Early seral stage in succession

B) Late seral stage in succession

 i) Good seed dispersal ability

ii) Lower plant efficiency in low light

iii) Seed dispersal  by animal

iv) Slower the resource acquisition

v) Found large biomass

vi) Seed longevity is long type

Which of the following is the correct prediction about early and the late successional seral stage?