Exam 2 Review

The pericardial cavity is between the

• A) heart muscle and serous pericardium.

• B) parietal and myocardial layers of the fibrous pericardium.

• C) visceral and parietal layers of the serous pericardium.

• D) fibrous and serous layers of the pericardium.

Which circuit of the cardiovascular system is responsible for sending blood to the kidneys,
stomach, and pelvic regions?

• A) Coronary circuit

• B) Systemic circuit

• C) Visceral circuit

• D) Pulmonary circuit

Platelets play a key role in_________, but if they are not used they are broken down after
about_________ days.

• A) hematopoiesis, 9

• B) hemostasis, 120

• C) hemostasis, 9

• D) hematopoiesis, 120

Which term best describes the function of blood when considering the presence of carbon
dioxide and endocrine hormones?

• A) Regulation

• B) Protection

• C) Prevention

• D) Transportation

Phagocytic cells of the alveolus are the

• A) alveolar type I cells.

• B) septal cells.

• C) squamous alveolar cells.

• D) alveolar macrophages.

• E) alveolar type II cells

Which bone does not contain a paranasal sinus?

• A) Ethmoid bone

• B) Mandible

• C) Maxilla

• D) Sphenoid bone

• E) Frontal bone

Mucin_________ the viscosity of mucus, facilitating the_________ of dust and dirt particles.

• A) increases; trapping

• B) increases; diluting

• C) decreases; exocytosis

• D) decreases; flushing

Foreign particles

• A) lodge equally often in each of the two primary bronchi.

• B) are more likely to lodge in the right primary bronchus.

• C) are more likely to lodge in the left primary bronchus.

Which are characteristics of type O blood?
a: Has anti-A antibodies
b: Has anti-B antibodies
c: Has surface antigen O on its erythrocytes
d: Has surface antigen A on its erythrocytes
e: Has neither surface antigen A nor B on its erythrocytes

• A) b, c, d

• B) a, b, c

• C) b, c, e

• D) c

• E) a, b, e

Air flows out of the body during expiration because

• A) intrapulmonary pressure is greater than atmospheric pressure.

• B) intrapleural pressure is greater than intrapulmonary pressure.

• C) intrapleural pressure is greater than atmospheric pressure.

• D) atmospheric pressure is greater than intrapulmonary pressure.