CABT Anatomy and Physiology Fundamentals 2

Question 1

Which layer of the heart wall is responsible for the contractile function of the heart?

Accepted Answer

Myocardium

Answer

Epicardium

Answer

Endocardium

Answer

Pericardium

Question 2

What is the primary function of the nephron in the kidney?

Accepted Answer

Blood filtration and urine formation

Answer

Hormone secretion

Answer

Red blood cell production

Answer

Immune surveillance

Question 3

In the context of biomedical equipment used during surgery, which nerve plexus supplies the brachial region and is a landmark for regional anesthesia?

Accepted Answer

Brachial plexus

Answer

Lumbar plexus

Answer

Cervical plexus

Answer

Sacral plexus

Question 4

Which of the following best describes the role of surfactant in the lungs?

Accepted Answer

Reduces surface tension to prevent alveolar collapse

Answer

Facilitates gas exchange across the alveolar membrane

Answer

Carries oxygen from alveoli to blood

Answer

Filters particulates from inhaled air

Question 5

A patient's ECG shows a prolonged PR interval. Which anatomical structure is most likely causing the conduction delay?

Accepted Answer

Atrioventricular (AV) node

Answer

Bundle of His

Answer

Purkinje fibers

Answer

Sinoatrial (SA) node

Question 6

Which type of epithelium lines the urinary bladder and is capable of stretching?

Accepted Answer

Transitional epithelium (urothelium)

Answer

Simple squamous epithelium

Answer

Stratified squamous epithelium

Answer

Pseudostratified columnar epithelium

Question 7

During cardiopulmonary resuscitation (CPR), compressions are performed on the sternum. Which anatomical landmark guides correct hand placement?

Accepted Answer

Lower half of the sternum

Answer

Xiphoid process

Answer

Manubrium

Answer

Sternal angle (angle of Louis)