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FREE AND STUDY GAMES ABOUT GRACE PHYSIOLOGY
EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -25 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation Question 1: What percentage of this blood flow comes from the hepatic portal system?
A) 20%
B) 50%
C) 80%
D) 95%
Answer:
C) 80%
Question 2: Pepsinogen is converted to pepsin by hydrochloric acid, which is produced by the _____ of the gastric glands.
- parietal cells
- chief cells
- tuft cells
- rugae
Answer:
- parietal cells
Question 3: _______ is the only antibody class with the ability to cross the placental barrier,
providing passive immunity to the developing fetus during pregnancy:
a) IgE.
b) IgG.
c) IgM.
d) IgA.
Answer:
b) IgG.
Question 4: The T cell is considered:
- the messenger
- the transmitter
- the communicator
- the receiver
Answer:
- the communicator
Question 5: The _____ drains much of the superficial leg and foot.
- inferior vena cava
- popliteal vein
- great saphenous vein
- internal iliac vein
Answer:
- great saphenous vein
Question 6: Which ear structures are responsible for the amplification and transfer of sound from the external ear to the inner ear?
a) The ossicles
b) Ear wax
c) Tympanic membrane
d) Stapes
Answer:
a) The ossicles
Question 7: Which hormone produced by the adrenal glands is responsible for mobilization of energy stores?
a) Aldosterone
b) ACTH
c) Cortisol
d) Epinephrine
Answer:
c) Cortisol
Question 8: The reticular activating system maintains:
- sleep rhythms
- consciousness
- unconsciousness
- sensory impulses
Answer:
- consciousness
Question 9: Oxygen enters blood from alveolar air because the partial pressure of alveolar air is:
Answer:
- greater than the partial pressure of incoming blood.
- Hepatic artery
- Hepatic vein
- Portal vein
- Renal artery
Question 10: Which blood vessel carries absorbed food from the GI tract to the liver?
Answer:
- Portal vein
Question 11: _____ is used to determine the volume percentage of red blood cells in whole blood.
a) Spectrin
b) Hematocrit
c) Hematopoiesis
d) Hemocytometer
Answer:
b) Hematocrit
Question 12: A reflex consists of either a muscle contraction or a:
- muscle stretch
- muscle relaxation
- glandular secretion
- glandular excretion
Answer:
- glandular secretion