« previous next »

Author Question: Rising PCO2 levels cause the ________ of smooth muscles in the walls of arterioles. A) relaxation ... (Read 52 times)

ashley

  • Hero Member
  • *****
  • Posts: 584
on: Jul 3, 2018
Rising PCO2 levels cause the ________ of smooth muscles in the walls of arterioles.
 
  A) relaxation B) spasm C) constriction D) None of the above

Question 2

The primary extracellular cations in the body are:
 
  a. Calcium and chloride
  b. Sodium and calcium
  c. Magnesium and potassium
  d. Iron and sodium bicarbonate


Joy Chen

  • Sr. Member
  • ****
  • Posts: 354
Reply #1 on: Jul 3, 2018
Answer to Question 1

A

Answer to Question 2

b
Rationale: a. Although calcium is a primary cation in extracellular fluid, chloride is an anion.
b. Correct.
c. Magnesium and potassium are found in the intracellular space.
d. Iron and sodium bicarbonate are not primary cations in extracellular space.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Eat fiber! A diet high in fiber can help lower cholesterol levels by as much as 10%.

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 average person is easily confused by the terms pharmaceutics and pharmacology, thinking they are one and the same. Whereas pharmaceutics is the science of preparing and dispensing drugs (otherwise known as the science of pharmacy), pharmacology is the study of medications.

Did you know?

According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.

Smooth Collie Smooth Collie
Muscles of the Right Lower Extremity Muscles of the Right Lower Extremity
Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ... Some playgrounds near streets with heavy traffic may still have high levels of lead from gasoline ...
Massage reduces muscle tension and promotes relaxation. Massage reduces muscle tension and promotes relaxation.
Two-handed kneading on the upper leg. Apply kneading to medial, posterior, and lateral muscles of ... Two-handed kneading on the upper leg. Apply kneading to medial, posterior, and lateral muscles of ...
Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ... Knead lower leg muscles by bending the knee until the foot is flat on the supporting surface. Reach ...
Video: Introduction to Sickle Cell Anemia

For a complete list of videos, visit our video library