« previous next »

Author Question: Describe two ways the skin can help retain heat when it is cold outside. What will be an ideal ... (Read 119 times)

codyclark

  • Hero Member
  • *****
  • Posts: 538
on: Jul 3, 2018
Describe two ways the skin can help retain heat when it is cold outside.
 
  What will be an ideal response?

Question 2

Furosemide works by:
 
  a. Increasing cardiac contractility
  b. Reducing arterial blood pressure through alpha1 blockade
  c. Stimulating beta receptors and increasing cardiac conduction velocity
  d. Inhibiting the reuptake of sodium and chloride resulting in diuresis


Tabitha_2016

  • Sr. Member
  • ****
  • Posts: 344
Reply #1 on: Jul 3, 2018
Answer to Question 1

Goosebumps (hairs that are raised by contraction of the arrector pili muscles) create an insulating space between the air and the skin. Constricting blood vessels in the dermis divert blood away from the body surface so that the air will not cool it.

Answer to Question 2

d
Rationale: a. Furosemide does not have an effect on contractility, but does reduce preload.
b. Furosemide relaxes the venous system, but not arterial.
c. Furosemide has no effect on beta receptors.
d. Correct.


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Serum cholesterol testing in adults is recommended every 1 to 5 years. People with diabetes and a family history of high cholesterol should be tested even more frequently.

Did you know?

Acetaminophen (Tylenol) in overdose can seriously damage the liver. It should never be taken by people who use alcohol heavily; it can result in severe liver damage and even a condition requiring a liver transplant.

Did you know?

The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

Did you know?

In the United States, an estimated 50 million unnecessary antibiotics are prescribed for viral respiratory infections.

Did you know?

According to animal studies, the typical American diet is damaging to the liver and may result in allergies, low energy, digestive problems, and a lack of ability to detoxify harmful substances.

Petechiae, pinpoint skin hemorrhages. Petechiae, pinpoint skin hemorrhages.
Open, or compound The fracture projects through the skin and there is a possibility of infection or Open, or compound The fracture projects through the skin and there is a possibility of infection or
World map of the distribution of skin color. World map of the distribution of skin color.
Cold Fronts Cold Fronts
A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ... A gasoline testing kit, including an insulated container where water at 100°F is used to heat a ...
Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ... Add movement to skin lifting by gently pulling it in a certain direction (e.g., up and forward) to ...
Video: Hydrogen bonds vs. Ionic bond

For a complete list of videos, visit our video library