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

More Questions
TLS Online TPP Program

#Question id: 11023

#Unit 7. System Physiology – Animal

A male patient had a myocardial infarction at age 55. He is now 63 years old. Standard limb lead I is shown here.


What is his current diagnosis?

TLS Online TPP Program

#Question id: 11024

#Unit 7. System Physiology – Animal

A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?

TLS Online TPP Program

#Question id: 11025

#Unit 7. System Physiology – Animal

Listed below are the hydrostatic and oncotic pressures within a microcirculatory bed:

Plasma colloid osmotic pressure = 25 mm Hg

Capillary hydrostatic pressure = 25 mm Hg

Venous hydrostatic pressure = 5 mm Hg

Arterial pressure = 80 mm Hg

Interstitial fluid hydrostatic pressure = −5 mm Hg

Interstitial colloid osmotic pressure = 10 mm Hg

Capillary filtration coefficient = 10 ml/min/mm Hg

What is the rate of net fluid movement across the capillary wall?

TLS Online TPP Program

#Question id: 11026

#Unit 7. System Physiology – Animal

Listed below are the hydrostatic and oncotic pressures and filtration rate across a muscle capillary wall:

Capillary hydrostatic pressure (Pc) = 25 mm Hg

Plasma colloid osmotic pressure (Πp) = 25 mm Hg

Interstitial colloid osmotic pressure (ΠI) = 10 mm Hg

Interstitial hydrostatic pressure (PI) = −5 mm Hg

Capillary filtration rate = 150 ml/min

What is the capillary filtration coefficient?

TLS Online TPP Program

#Question id: 11027

#Unit 7. System Physiology – Animal

Which of the following is the correct sequence of blood flow in birds and mammals?

TLS Online TPP Program

#Question id: 11028

#Unit 7. System Physiology – Animal

A patient with a heart rate of 70 beats per minute and a stroke volume of 70 mL/beat will have a cardiac output of ________.