UPDATED Exam Questions and
CORRECT Answers only
Which structure contains lubricating fluid that helps the heart to expand and contract? -
Correct Answer- Pericardial Cavity
Which structure protects the heart? - Correct Answer- Pericardium
Which artery gives rise to the right ulnar artery? - Correct Answer- Right Brachial Artery
Which artery becomes the femoral artery one it leaves the body cavity? - Correct Answer-
External Iliac Artery
Which heart sound does the closing of the Bicuspid valve correspond to? - Correct Answer-
Lub/S1
Which part of the cardiac cycle is represented by the QRS complex? - Correct Answer-
Ventricular Systole
What is the difference between the maximum and resting cardiac output (CO) called? -
Correct Answer- Cardiac Reserve
What is the normal resting heart rate (HR) of an adult? - Correct Answer- 60-110 bpm
What sound is produced by the closing of the mitral and tricuspid valve? - Correct Answer-
First Heart Sound
Which blood cells lack granules? - Correct Answer- Monocytes and lymphocytes
Which blood component contains hemoglobin? - Correct Answer- Erythrocyte
, Which cell contains the highest concentrations of iron? - Correct Answer- Erythrocyte
Which element contributes to blood clotting? - Correct Answer- Prothrombin protein
What is an elastic, flexible cartilage in the larynx? - Correct Answer- Epiglottic cartilage
Which structure is not a part of the throat? - Correct Answer- Larynx
Which structure maintains equal air pressure in the lung? - Correct Answer- Alveolar pores
Which cell type removes debris and pathogens from the alveolar wall? - Correct Answer-
Alveolar macrophages
What leads to carbominogemoglobin formation? - Correct Answer- CO2 + Hb
What is the role of the diaphragm during normal breathing? - Correct Answer- During
inhalation it contracts and flattens
According to Boyle's law, what is the relation between pressure and volume? - Correct
Answer- When volume increases, pressure decreases at a constant temperature
What is the function of the aortic body? - Correct Answer- It monitors the partial pressure of
carbon dioxide, oxygen, and pH in the blood
What is the function of arteries? - Correct Answer- They carry blood away from the heart
How do temperature and pH affect hemoglobin oxygen saturation? - Correct Answer- Higher
temperature and lower pH promote the dissociation of hemoglobin and oxygen
Where does intrinsic factor production occur? - Correct Answer- Parietal cells