Crack Physiology NBoard

Partial Thromboplastin Time (PTT) is a test that measures the effectiveness of the extrinsic coagulation pathway.Prothrombin Time (PT) is a test that measures the effectiveness of the intrinsic coagulation pathway.

• A) Both statements are true

• B) Both statements are false

• C) First statement is true, the second is false

• D) First statement is false, the second is true

All of the following is controlled by the autonomic nervous system EXCEPT one. Which one is the EXCEPTION?

• A) Cardiac muscle

• B) Exocrine glands

• C) Neurons of the gut

• D) Skeletal muscle

• E) Smooth muscle

Mepivacaine is also known as carbocaine and is an amide type local anesthetic.It is also a pregnancy category B local anesthetic.

• A) Both statements are true

• B) Both statements are false

• C) First statement is true, the second is false

• D) First statement is false, the second is true

DNA is always synthesized in the 5′ to 3′ direction.The replication fork is a structure that forms within the nucleus during RNA replication.

• A) Both statements are true

  B) Both statements are false

  C) First statement is true, the second is false

  D) First statement is false, the second is true

• C) First statement is true, the second is false

• D) First statement is false, the second is true

A patient on therapeutic doses of aspirin can best be screened for a potential bleeding problem by an evaluation of the

• A) Bleeding time

• B) Platelet count

• C) Coagulation time

• D) Prothrombin time

• E) Partial thromboplastin time

Molecules that are hydrophobic can easily pass through the plasma membrane, if they are small enough, because they are water-hating like the interior of the membrane.

• A) Both the statement and the reason are correct and related.

• B) Both the statement and the reason are correct but NOT related.

• C) The statement is correct, but the reason is NOT.

• D) The statement is NOT correct, but the reason is correct.

• E) Neither the statement NOR the reason is correct.

Which type of tissue serves as a lining for vessels and other small cavities inside the body and as skin outside the body?

• A) Epithelial

• B) Connective

• C) Muscle

• D) Nerve

• E) Collagen

The muscular system includes over 350 muscles.They constitute 40-50 percent of the body’s weight.

• A) Both statements are TRUE

• B) Both statements are FALSE

• C) The first statement is TRUE, the second is FALSE

• D) The first statement is FALSE, the second is TRUE

In an average person, each cubic millimeter of blood contains roughly how many red blood cells?

• A) 500

• B) 5,000

• C) 50,000

• D) 500,000

• E) 5,000,000

Which blood vessels have paired valves to prevent the back-flow of blood?

• A) Arteries

• B) Capillaries

• C) Veins

• D) Lymphatics

• E) None of the above