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WGU D313 Anatomy & Physiology | Updated Objective Assessment with Accurate Exam Questions, Answers, and Study Guide | Expert Verified Pass Guaranteed
Question 1: Which structure contains lubricating fluid that helps
the heart to expand and contract?
CORRECT ANSWER : Pericardial Cavity
Question 2: Which structure protects the heart?
CORRECT ANSWER : Pericardium
Question 3: Which artery gives rise to the right ulnar artery?
CORRECT ANSWER : Right Brachial Artery
Question 4: Which artery becomes the femoral artery one it
leaves the body cavity?
CORRECT ANSWER : External Iliac Artery
Question 5: Which heart sound does the closing of the Bicuspid
valve correspond to?
CORRECT ANSWER : Lub/S1
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Question 6: Which part of the cardiac cycle is represented by the
QRS complex?
CORRECT ANSWER : Ventricular Systole
Question 7: What is the difference between the maximum and
resting cardiac output (CO) called?
CORRECT ANSWER : Cardiac Reserve
Question 8: What is the normal resting heart rate (HR) of an
adult?
CORRECT ANSWER : 60-110 bpm
Question 9: What sound is produced by the closing of the mitral
and tricuspid valve?
CORRECT ANSWER : First Heart Sound
Question 10: Which blood cells lack granules?
CORRECT ANSWER : Monocytes and lymphocytes
Question 11: Which blood component contains hemoglobin?
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CORRECT ANSWER : Erythrocyte
Question 12: Which cell contains the highest concentrations of
iron?
CORRECT ANSWER : Erythrocyte
Question 13: Which element contributes to blood clotting?
CORRECT ANSWER : Prothrombin protein
Question 14: What is an elastic, flexible cartilage in the larynx?
CORRECT ANSWER : Epiglottic cartilage
Question 15: Which structure is not a part of the throat?
CORRECT ANSWER : Larynx
Question 16: Which structure maintains equal air pressure in the
lung?
CORRECT ANSWER : Alveolar pores
Question 17: Which cell type removes debris and pathogens
from the alveolar wall?
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CORRECT ANSWER : Alveolar macrophages
Question 18: What leads to carbominogemoglobin formation?
CORRECT ANSWER : CO2 + Hb
Question 19: What is the role of the diaphragm during normal
breathing?
CORRECT ANSWER : During inhalation it contracts and
flattens
Question 20: According to Boyle's law, what is the relation
between pressure and volume?
CORRECT ANSWER : When volume increases, pressure
decreases at a constant temperature
Question 21: What is the function of the aortic body?
CORRECT ANSWER : It monitors the partial pressure of carbon
dioxide, oxygen, and pH in the blood