« previous next »

Author Question: Rising PCO2 levels cause the ________ of smooth muscles in the walls of arterioles. A) relaxation ... (Read 44 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?

After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Did you know?

Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

A schematic showing some of the skeletal muscles of a Homo sapiens. A schematic showing some of the skeletal muscles of a Homo sapiens.
Apply stripping effleurage with the thumb to the flexor and extensor muscles of the forearm. Apply ... Apply stripping effleurage with the thumb to the flexor and extensor muscles of the forearm. Apply ...
Effleurage to adductor muscles. Bend the knee and open the leg to access adductor muscles. Resecure ... Effleurage to adductor muscles. Bend the knee and open the leg to access adductor muscles. Resecure ...
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 ...
Levels of Structural Organization & Body Systems Levels of Structural Organization & Body Systems
Proteins can have several levels of structure Proteins can have several levels of structure
Video: Causes of Angina

For a complete list of videos, visit our video library