Objective Flashcards
What is the primary function of the thoracic cage?
Protection of the heart and lungs
Which of the following does not form part of the thoracic cage?
Pelvis
How many ribs are typically found in the thoracic cage
12 pairs
The jugular notch is part of the….
Manubrium of the sternum
Which of the following is not part of the gastrointestinal tract
Liver
The heart contracts at an average rate of….
72 times/minute
A closed system of circulation involves
Non-confinement of blood, specific targeting, critical regulation
The inner layer of the heart’s well is called the…
Endocardium
Cardiac tissue is distinctive microscopically because of the presence of….
Intercalated discs
The pacemaker of the heart is also known as the…
Sinoatrial node(s-a node)
Stimulation of myocardial contractions in the ventricles radiates from the ….
Purkinje fibers
Choose the correct conductive pattern
S-A node -> A-V node -> Bundle of his -> Purkinje fibers
All the following best describes the location of the heart except….
Anterior to the sternum
Identity the correct sequence of the movement of food through the body
Mouth, Pharyns, Esophagus, Stomach Small Intestine, Large Intestine
The function of saliva is to….
All of the above
The largest salivary gland is the….
Parotid gland
The sequential contraction of circular muscles as food moves through the esophagus is called….
Peristalsis
What structure of the small intestine is composed of a network of capillaries with a central lymph vessel or lacteal, which contains a milky white substance…
Villi
The functional unit of the kidney is the….
Nephron
Filtration occurs primarily in the…
Collecting tubule
The urine formed in the kidney is passed down the ureter by…
Peristaltic contractions
How many true ribs are there in the human thoracic cage
7 pairs
Which ribs are considered floating ribs in the human thoracic cage
11th and 12th pairs
The space between the two lungs where the heart is located is called…
Mediastinum