This topic contains a solution. Click here to go to the answer

Author Question: A cluster of cells in the right atrium that serves as the pacemaker of the heart is the sinoatrial ... (Read 74 times)

K@

  • Hero Member
  • *****
  • Posts: 608
A cluster of cells in the right atrium that serves as the pacemaker of the heart is the sinoatrial (SA) node.
 
  Indicate whether the statement is true or false

Question 2

Which is a condition in which the number of erythrocytes in the blood is decreased?
 
  A) poikilocytosis
  B) Hodgkin's disease
  C) polycythemia vera
  D) anemia



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Zebsrer

  • Sr. Member
  • ****
  • Posts: 284
Answer to Question 1

TRUE

Answer to Question 2

D
Explanation: A) The erythrocytes are irregular, not decreased, in this disease.
B) This disease affects the leukocytes, not erythrocytes.
C) This disease increases, not decreases, the number of erythrocytes.
D) Correct





 

Did you know?

On average, the stomach produces 2 L of hydrochloric acid per day.

Did you know?

Only 12 hours after an egg cell is fertilized by a sperm cell, the egg cell starts to divide. As it continues to divide, it moves along the fallopian tube toward the uterus at about 1 inch per day.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

The top 10 most important tips that will help you grow old gracefully include (1) quit smoking, (2) keep your weight down, (3) take supplements, (4) skip a meal each day or fast 1 day per week, (5) get a pet, (6) get medical help for chronic pain, (7) walk regularly, (8) reduce arguments, (9) put live plants in your living space, and (10) do some weight training.

Did you know?

The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

For a complete list of videos, visit our video library