This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A drug that exerts a positive inotropic effect will: a. reduce electrical conduction in the ... (Read 95 times)

Pea0909berry

  • Hero Member
  • *****
  • Posts: 573
on: Jul 24, 2018
A drug that exerts a positive inotropic effect will:
 
  a. reduce electrical conduction in the heart.
  b. increase heart rate.
  c. increase the force of contraction of the heart.
  d. increase the viscosity of the blood.

Question 2

The nurse understands that the primary pacemaker of the heart is the:
 
  a. vagus nerve. c. SA node.
  b. bundle of His. d. AV node.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

karlss

  • Sr. Member
  • ****
  • Posts: 321
Reply #1 on: Jul 24, 2018
Answer to Question 1

ANS: C

Feedback
A Incorrect: This is a negative dromotropic effect.
B Incorrect: This is a positive chronotropic effect.
C Correct: This is a positive inotropic effect.
D Incorrect: This is not a tropic effect.

Answer to Question 2

ANS: C

Feedback
A Incorrect: The vagus nerve is not the pacemaker of the heart.
B Incorrect: The bundle of His are fibers that flow throughout the ventricles, but are not the pacemaker.
C Correct: The sinoatrial node is the pacemaker of the heart.
D Incorrect: Although the atrioventricular node does invoke electrical impulses, it is not the primary pacemaker of the heart.


Pea0909berry

  • Member
  • Posts: 573
Reply 2 on: Jul 24, 2018
Great answer, keep it coming :)

apple

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

« previous next »
 

Did you know?

The use of salicylates dates back 2,500 years to Hippocrates’s recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

Did you know?

The largest baby ever born weighed more than 23 pounds but died just 11 hours after his birth in 1879. The largest surviving baby was born in October 2009 in Sumatra, Indonesia, and weighed an astounding 19.2 pounds at birth.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Throughout history, plants containing cardiac steroids have been used as heart drugs and as poisons (e.g., in arrows used in combat), emetics, and diuretics.

Effect of a Black Hole’s Tidal Force on Infalling Matter Effect of a Black Hole’s Tidal Force on Infalling Matter
A wire wound electrical heater is used to warm the intake air on some diesel engines A wire wound electrical heater is used to warm the intake air on some diesel engines
Using a water-based cleaning system helps reduce the hazards from using strong chemicals. Using a water-based cleaning system helps reduce the hazards from using strong chemicals.
(a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ... (a) The connection required to test a Halleffect sensor. (b) A typical waveform from a Hall-effect ...
Actions of mutM, mutT, and mutY gene products in countering the mutagenic effect of 8-oxoguanine -oG Actions of mutM, mutT, and mutY gene products in countering the mutagenic effect of 8-oxoguanine -oG
Position effect variegation of eye color in Drosophila Position effect variegation of eye color in Drosophila
Video: Neurosynapse Animation

For a complete list of videos, visit our video library